diff --git a/accounts/__init__.py b/accounts/__init__.py
index 83198231..e69de29b 100644
--- a/accounts/__init__.py
+++ b/accounts/__init__.py
@@ -1 +0,0 @@
-default_app_config = 'accounts.apps.AccountsConfig'
diff --git a/admin/__init__.py b/admin/__init__.py
index 052dc420..e69de29b 100644
--- a/admin/__init__.py
+++ b/admin/__init__.py
@@ -1 +0,0 @@
-default_app_config = 'admin.apps.AdminConfig'
diff --git a/admin/forms.py b/admin/forms.py
index 331a181d..1c526c3c 100644
--- a/admin/forms.py
+++ b/admin/forms.py
@@ -119,10 +119,6 @@ class UserForm(UniqueEmailMixin, forms.ModelForm):
     def permission_rows(self):
         return permission_rows(self["user_permissions"])
 
-    def identity_has_errors(self):
-        return any(self.has_error(name) for name in ("username", "password", "first_name", "last_name", "email"))
-
-
 class UserCreateForm(UserForm):
     password = forms.CharField(widget=forms.PasswordInput)
 
diff --git a/computes/tests/test_validators.py b/computes/tests/test_validators.py
index 178fcc8e..17b97610 100644
--- a/computes/tests/test_validators.py
+++ b/computes/tests/test_validators.py
@@ -6,7 +6,7 @@ import unittest
 
 from django.core.exceptions import ValidationError
 
-from computes.validators import validate_hostname, validate_login, validate_name
+from computes.validators import validate_hostname, validate_login
 
 
 class HostnameValidatorTestCase(unittest.TestCase):
@@ -46,8 +46,3 @@ class LoginValidatorTestCase(unittest.TestCase):
                     validate_login(value)
 
 
-class NameValidatorTestCase(unittest.TestCase):
-    def test_checks_the_value(self):
-        validate_name("good-name_1.2")
-        with self.assertRaises(ValidationError):
-            validate_name("bad name!")
diff --git a/computes/validators.py b/computes/validators.py
index 4e3620f5..d4fedc15 100644
--- a/computes/validators.py
+++ b/computes/validators.py
@@ -7,7 +7,6 @@ from django.utils.translation import gettext_lazy as _
 # one or more dot-separated RFC 1123 labels, optional trailing dot
 _hostname = re.compile(r"[A-Za-z0-9]([A-Za-z0-9-]{0,61}[A-Za-z0-9])?(\.[A-Za-z0-9]([A-Za-z0-9-]{0,61}[A-Za-z0-9])?)*\.?")
 _login = re.compile(r"[A-Za-z0-9._][A-Za-z0-9._-]*")
-_name = re.compile(r"[A-Za-z0-9._-]+")
 
 
 def validate_hostname(value):
@@ -37,11 +36,6 @@ def validate_login(value):
         )
 
 
-def validate_name(value):
-    if not _name.fullmatch(value):
-        raise ValidationError(_("The name must not contain any special characters"))
-
-
 def validate_migration_address(value):
     """An IP address (no IPv6 scope) or a host name: no scheme, port or brackets."""
     try:
diff --git a/conf/runit/secret_generator.py b/conf/runit/secret_generator.py
index 70ee032c..3183ffaf 100644
--- a/conf/runit/secret_generator.py
+++ b/conf/runit/secret_generator.py
@@ -1,13 +1,3 @@
 import secrets
 
-generated_key = secrets.token_urlsafe(50)
-
-print(''.join(generated_key))
-
-
-### Use for old python versions < 3.6
-##import random
-##import string
-#
-##haystack = string.ascii_letters + string.digits + string.punctuation
-##print(''.join([random.SystemRandom().choice(haystack.replace('/', '').replace('\'', '').replace('\"', '')) for _ in range(50)]))
+print(secrets.token_urlsafe(50))
diff --git a/instances/__init__.py b/instances/__init__.py
index bf9df051..e69de29b 100644
--- a/instances/__init__.py
+++ b/instances/__init__.py
@@ -1 +0,0 @@
-default_app_config = 'instances.apps.InstancesConfig'
diff --git a/instances/tests/test_audit_rows.py b/instances/tests/test_audit_rows.py
index 94eebe22..b7783965 100644
--- a/instances/tests/test_audit_rows.py
+++ b/instances/tests/test_audit_rows.py
@@ -54,8 +54,6 @@ class FlavorRowTests(TestCase):
         data = {"label": "tiny-a", "memory": 512, "vcpu": 1, "disk": 10}
         self.client.post(reverse("instances:flavor_create"), data)
         flavor = Flavor.objects.get(label="tiny-a")
-        self.client.post(reverse("instances:flavor_update", args=[flavor.pk]), {**data, "vcpu": 2})
-        self.client.post(reverse("instances:flavor_update", args=[flavor.pk]), {**data, "vcpu": 2})  # no change
         self.client.post(reverse("instances:flavor_delete", args=[flavor.pk]))
         self.assertFalse(Flavor.objects.filter(label="tiny-a").exists())
 
@@ -71,6 +69,6 @@ class FlavorRowTests(TestCase):
         self.assertFalse(Flavor.objects.filter(label="huge-a").exists())
 
         self.assertEqual([m for m, _ in rows()], [
-            "Flavor tiny-a: add", "Flavor tiny-a: change vcpu", "Flavor tiny-a: delete",
+            "Flavor tiny-a: add", "Flavor tiny-a: delete",
             "Flavor huge-a: add", "Flavor huge-a: change vcpu", "Flavor huge-a: change memory", "Flavor huge-a: delete",
         ])
diff --git a/instances/tests/test_views.py b/instances/tests/test_views.py
index 03d71f9c..b6ee2531 100644
--- a/instances/tests/test_views.py
+++ b/instances/tests/test_views.py
@@ -1080,21 +1080,6 @@ class InstancesTestCase(TestCase):
 
         id = Flavor.objects.last().id
 
-        response = self.client.get(reverse("instances:flavor_update", args=[id]))
-        self.assertEqual(response.status_code, 200)
-
-        response = self.client.post(
-            reverse("instances:flavor_update", args=[id]),
-            {
-                "label": "test_flavor_",
-                "memory": 256,
-                "vcpu": 1,
-                "disk": 10,
-            },
-            HTTP_REFERER=reverse("index"),
-        )
-        self.assertEqual(response.status_code, 302)
-
         response = self.client.get(reverse("instances:flavor_delete", args=[id]))
         self.assertEqual(response.status_code, 200)
 
diff --git a/instances/urls.py b/instances/urls.py
index ffd35068..ac26173c 100755
--- a/instances/urls.py
+++ b/instances/urls.py
@@ -10,7 +10,6 @@ urlpatterns = [
     path("find_address/", views.find_address, name="find_address"),
     path("report.xlsx", views.vm_report, name="vm_report"),
     path("flavor/create/", views.flavor_create, name="flavor_create"),
-    path("flavor/<int:pk>/update/", views.flavor_update, name="flavor_update"),
     path("flavor/<int:pk>/delete/", views.flavor_delete, name="flavor_delete"),
     path("<int:pk>/", views.instance, name="instance"),
     path("<int:pk>/poweron/", views.poweron, name="poweron"),
diff --git a/instances/views.py b/instances/views.py
index 9a6b1bc7..199401bf 100755
--- a/instances/views.py
+++ b/instances/views.py
@@ -46,8 +46,7 @@ from libvirt import (VIR_DOMAIN_PAUSED,
                      VIR_ERR_NO_DOMAIN,
                      VIR_ERR_NO_SUPPORT,
                      libvirtError)
-from logs.audit import audit, audit_vm, changed_fields, failed_vm
-from logs.audit import snapshot as audit_snapshot
+from logs.audit import audit, audit_vm, failed_vm
 from operations import claims, jobs
 from operations.utils import HOST_BUSY, busy_message, summary
 from webvirtcloud.middleware import error_text, same_origin_referer
@@ -2643,27 +2642,6 @@ def flavor_create(request):
     )
 
 
-@superuser_only
-def flavor_update(request, pk):
-    flavor = get_object_or_404(Flavor, pk=pk)
-    subject, before = f"Flavor {flavor.label}", audit_snapshot(flavor)
-    form = FlavorForm(request.POST or None, instance=flavor)
-    if form.is_valid():
-        with audit(request, None, subject, "change") as entry:
-            form.save()
-            fields = changed_fields(before, audit_snapshot(flavor))
-            entry.action = "change " + ", ".join(fields)
-            entry.skip = not fields
-        messages.success(request, _("Flavor Updated"))
-        return get_safe_redirect(request, default=reverse("instances:index"))
-
-    return render(
-        request,
-        "common/form.html",
-        {"form": form, "title": _("Update Flavor")},
-    )
-
-
 @superuser_only
 def flavor_delete(request, pk):
     flavor = get_object_or_404(Flavor, pk=pk)
diff --git a/locale/tr/LC_MESSAGES/django.mo b/locale/tr/LC_MESSAGES/django.mo
index 4bf1a925..9db11eb6 100644
Binary files a/locale/tr/LC_MESSAGES/django.mo and b/locale/tr/LC_MESSAGES/django.mo differ
diff --git a/locale/tr/LC_MESSAGES/django.po b/locale/tr/LC_MESSAGES/django.po
index 820a44d1..3ea7bcaa 100644
--- a/locale/tr/LC_MESSAGES/django.po
+++ b/locale/tr/LC_MESSAGES/django.po
@@ -202,7 +202,7 @@ msgid "User sections"
 msgstr "Kullanıcı bölümleri"
 
 #: accounts/templates/account.html:44 accounts/templates/account.html:52
-#: admin/forms.py:189 computes/templates/computes/list.html:30
+#: admin/forms.py:185 computes/templates/computes/list.html:30
 #: computes/templates/computes/list.html:57 computes/templates/overview.html:46
 msgid "VMs"
 msgstr "Sanal makineler"
@@ -704,13 +704,13 @@ msgstr "İzinler"
 msgid "Groups"
 msgstr "Gruplar"
 
-#: admin/forms.py:143
+#: admin/forms.py:139
 #, python-format
 msgid "NEW_USER_DEFAULT_INSTANCES: %(name)s is not exactly one VM"
 msgstr ""
 "NEW_USER_DEFAULT_INSTANCES: %(name)s tam olarak tek bir sanal makine değil"
 
-#: admin/forms.py:190 computes/templates/computes/list.html:58
+#: admin/forms.py:186 computes/templates/computes/list.html:58
 #: computes/templates/overview.html:58 instances/forms.py:15
 #: instances/templates/allinstances_index_grouped.html:16
 #: instances/templates/allinstances_index_nongrouped.html:14
@@ -720,7 +720,7 @@ msgstr ""
 msgid "vCPUs"
 msgstr "vCPU"
 
-#: admin/forms.py:191 computes/templates/computes/instances.html:49
+#: admin/forms.py:187 computes/templates/computes/instances.html:49
 #: computes/templates/computes/list.html:59 computes/templates/overview.html:66
 #: computes/templates/overview.html:150
 #: instances/templates/allinstances_index_grouped.html:17
@@ -732,34 +732,34 @@ msgstr "vCPU"
 msgid "Memory"
 msgstr "Bellek"
 
-#: admin/forms.py:192 instances/models.py:237
+#: admin/forms.py:188 instances/models.py:237
 #: instances/templates/create_instance_w2.html:118
 #: instances/templates/instances/settings_tab.html:25
 #: instances/templates/instances/stats_tab.html:51
 msgid "Disk"
 msgstr "Disk"
 
-#: admin/forms.py:202
+#: admin/forms.py:198
 msgid "No limit"
 msgstr "Sınır yok"
 
-#: admin/forms.py:218
+#: admin/forms.py:214
 msgid "Enter a limit or choose No limit."
 msgstr "Bir sınır girin ya da Sınır yok'u seçin."
 
-#: admin/forms.py:230
+#: admin/forms.py:226
 msgid "The user must change it at their next login"
 msgstr "Kullanıcı bir sonraki girişinde onu değiştirmek zorundadır"
 
-#: admin/forms.py:236
+#: admin/forms.py:232
 msgid "With a password"
 msgstr "Parolayla"
 
-#: admin/forms.py:236
+#: admin/forms.py:232
 msgid "Without a password"
 msgstr "Parolasız"
 
-#: admin/forms.py:242
+#: admin/forms.py:238
 msgid "A user without a password cannot be made to change it"
 msgstr "Parolası olmayan bir kullanıcıya parola değiştirme zorunluluğu konamaz"
 
@@ -915,7 +915,7 @@ msgid "IP"
 msgstr "IP"
 
 #: admin/templates/admin/logs.html:56 admin/views.py:286 instances/states.py:19
-#: instances/views.py:415 instances/views.py:417 logs/views.py:17
+#: instances/views.py:414 instances/views.py:416 logs/views.py:17
 msgid "Unknown"
 msgstr "Bilinmeyen"
 
@@ -2352,11 +2352,11 @@ msgstr "Konuk mimarileri"
 msgid "Emulator"
 msgstr "Emülatör"
 
-#: computes/validators.py:25
+#: computes/validators.py:24
 msgid "Enter an IPv4 address or a host name, without a scheme, port or path"
 msgstr "Şema, port veya yol olmadan bir IPv4 adresi ya da sunucu adı girin"
 
-#: computes/validators.py:36
+#: computes/validators.py:35
 msgid ""
 "The login may contain only letters, digits, '.', '_' and '-', and may not "
 "start with '-'"
@@ -2364,15 +2364,11 @@ msgstr ""
 "Kullanıcı adı yalnızca harf, rakam, '.', '_' ve '-' içerebilir ve '-' ile "
 "başlayamaz"
 
-#: computes/validators.py:42
-msgid "The name must not contain any special characters"
-msgstr "Ad herhangi bir özel karakter içermemelidir"
-
-#: computes/validators.py:53
+#: computes/validators.py:47
 msgid "Enter an IP address or a host name, without a scheme or port"
 msgstr "Şema veya port olmadan bir IP adresi ya da sunucu adı girin"
 
-#: computes/validators.py:60
+#: computes/validators.py:54
 msgid ""
 "Enter the 64 hexadecimal characters of GSTFSD_KEY in the host's "
 "/etc/default/webvirt-gstfsd"
@@ -2936,7 +2932,7 @@ msgstr ""
 msgid "Create VM"
 msgstr "Sanal makine oluştur"
 
-#: instances/jobs.py:773 instances/jobs.py:818 instances/views.py:2459
+#: instances/jobs.py:773 instances/jobs.py:818 instances/views.py:2458
 msgid "A virtual machine with this name already exists"
 msgstr "Bu isimde bir sanal makine mevcut"
 
@@ -3336,7 +3332,7 @@ msgid "Disk source"
 msgstr "Disk kaynağı"
 
 #: instances/templates/add_instance_volume.html:21
-#: instances/templates/create_instance_w2.html:134 instances/views.py:2478
+#: instances/templates/create_instance_w2.html:134 instances/views.py:2477
 msgid "New disk"
 msgstr "Yeni disk"
 
@@ -3708,7 +3704,7 @@ msgstr "Özel CPU modelleri"
 msgid "Size (GiB)"
 msgstr "Boyut (GiB)"
 
-#: instances/templates/create_instance_w2.html:161 instances/views.py:2479
+#: instances/templates/create_instance_w2.html:161 instances/views.py:2478
 msgid "Existing volumes"
 msgstr "Mevcut birimler"
 
@@ -3744,7 +3740,7 @@ msgstr "Aygıt"
 msgid "Remove"
 msgstr "Kaldır"
 
-#: instances/templates/create_instance_w2.html:194 instances/views.py:2480
+#: instances/templates/create_instance_w2.html:194 instances/views.py:2479
 msgid "Clone from template"
 msgstr "Şablondan klonla"
 
@@ -5907,43 +5903,43 @@ msgstr "Geçersiz MAC adresi"
 msgid "More MAC addresses than networks"
 msgstr "Ağlardan daha fazla MAC adresi"
 
-#: instances/views.py:169
+#: instances/views.py:168
 msgid "Enter an IP address, a network such as 192.0.2.0/24, or a MAC address."
 msgstr "Bir IP adresi, 192.0.2.0/24 gibi bir ağ ya da bir MAC adresi girin."
 
-#: instances/views.py:175 instances/views.py:209
+#: instances/views.py:174 instances/views.py:208
 msgid "Too many searches are still running; try again shortly."
 msgstr "Çok fazla arama hâlâ çalışıyor; birazdan yeniden deneyin."
 
-#: instances/views.py:257
+#: instances/views.py:256
 #, python-format
 msgid "The host %(host)s of '%(name)s' cannot be reached: %(error)s"
 msgstr "'%(name)s' sanal makinesinin sunucusu %(host)s erişilemiyor: %(error)s"
 
-#: instances/views.py:263
+#: instances/views.py:262
 #, python-format
 msgid "The host of '%(name)s' cannot be reached right now."
 msgstr "'%(name)s' sanal makinesinin sunucusuna şu anda erişilemiyor."
 
-#: instances/views.py:264
+#: instances/views.py:263
 msgid " Jobs on it can be followed under Jobs in the menu."
 msgstr " Üzerindeki işler menüdeki İşler bölümünden izlenebilir."
 
-#: instances/views.py:272
+#: instances/views.py:271
 #, python-format
 msgid "'%(name)s' is no longer on its host."
 msgstr "'%(name)s' artık sunucusunda yok."
 
-#: instances/views.py:370
+#: instances/views.py:369
 msgid "There is no other host to migrate to."
 msgstr "Taşınacak başka bir sunucu yok."
 
-#: instances/views.py:372
+#: instances/views.py:371
 msgid "A VM migrates when it is running, paused or shut off."
 msgstr ""
 "Sanal makine çalışırken, duraklatılmışken ya da kapalıyken taşınabilir."
 
-#: instances/views.py:374
+#: instances/views.py:373
 msgid ""
 "A VM with snapshots cannot be migrated: its snapshots stay on this host. "
 "Delete them first."
@@ -5951,7 +5947,7 @@ msgstr ""
 "Anlık görüntüsü olan bir sanal makine taşınamaz: anlık görüntüleri bu "
 "sunucuda kalır. Önce onları silin."
 
-#: instances/views.py:376
+#: instances/views.py:375
 msgid ""
 "A VM with host devices cannot be migrated: the destination may not have them."
 " Remove them first."
@@ -5959,11 +5955,11 @@ msgstr ""
 "Sunucu aygıtları olan bir sanal makine taşınamaz: hedefte bu aygıtlar "
 "olmayabilir. Önce onları kaldırın."
 
-#: instances/views.py:640
+#: instances/views.py:639
 msgid "The VM was moved meanwhile; try again."
 msgstr "Sanal makine bu arada taşındı; yeniden deneyin."
 
-#: instances/views.py:756
+#: instances/views.py:755
 msgid ""
 "The running VM has no free PCI slot for another disk on this bus: choose the "
 "scsi bus if the VM has a SCSI controller, or shut the VM down and add the "
@@ -5976,7 +5972,7 @@ msgstr ""
 "yuvaları ekle, sonraki başlatmadan itibaren ona boş yuvalar verir. Yeni bir "
 "birim havuzunda kalır, mevcut birim olarak eklenebilir."
 
-#: instances/views.py:760
+#: instances/views.py:759
 msgid ""
 "The running VM has no free PCI slot for the SCSI controller the disk needs: "
 "shut the VM down and add the disk then; Add PCIe slots on the Disks tab gives"
@@ -5988,175 +5984,175 @@ msgstr ""
 "PCIe yuvaları ekle, sonraki başlatmadan itibaren ona boş yuvalar verir. Yeni "
 "bir birim havuzunda kalır, mevcut birim olarak eklenebilir."
 
-#: instances/views.py:778
+#: instances/views.py:777
 #, python-format
 msgid "Invalid disk options: %(options)s"
 msgstr "Geçersiz disk seçenekleri: %(options)s"
 
-#: instances/views.py:788 instances/views.py:803
+#: instances/views.py:787 instances/views.py:802
 msgid "Templates cannot be started."
 msgstr "Şablon makineler başlatılamaz."
 
-#: instances/views.py:995
+#: instances/views.py:994
 #, python-format
 msgid "Set the gstfsd key of %(compute)s first (Computes, edit the host)"
 msgstr ""
 "Önce %(compute)s sunucusunun gstfsd anahtarını ayarlayın (Sunucular, sunucuyu"
 " düzenle)"
 
-#: instances/views.py:1002 instances/views.py:1020 instances/views.py:1029
+#: instances/views.py:1001 instances/views.py:1019 instances/views.py:1028
 #, python-format
 msgid "gstfsd error: %(err)s"
 msgstr "gstfsd hatası: %(err)s"
 
-#: instances/views.py:1030
+#: instances/views.py:1029
 msgid "the reply is not signed with the key"
 msgstr "yanıt anahtarla imzalanmamış"
 
-#: instances/views.py:1038
+#: instances/views.py:1037
 msgid "Shut the VM down, or start its QEMU guest agent, and try again"
 msgstr ""
 "Sanal makineyi kapatın ya da QEMU konuk ajanını başlatın ve yeniden deneyin"
 
-#: instances/views.py:1051
+#: instances/views.py:1050
 msgid "The change may still be made when the agent answers again."
 msgstr "Ajan yeniden yanıt verdiğinde değişiklik yine de yapılabilir."
 
-#: instances/views.py:1079
+#: instances/views.py:1078
 msgid "Reset root password"
 msgstr "Root parolasını sıfırla"
 
-#: instances/views.py:1083
+#: instances/views.py:1082
 msgid "Enter a password"
 msgstr "Bir parola girin"
 
-#: instances/views.py:1097
+#: instances/views.py:1096
 msgid "Select an SSH public key"
 msgstr "Bir SSH açık anahtarı seçin"
 
-#: instances/views.py:1119
+#: instances/views.py:1118
 #, python-format
 msgid "Installed new SSH public key %(keyname)s"
 msgstr "Yeni %(keyname)s SSH açık anahtarı yüklendi"
 
-#: instances/views.py:1139
+#: instances/views.py:1138
 msgid "Enter a whole number of vCPUs"
 msgstr "vCPU sayısı için bir tam sayı girin"
 
-#: instances/views.py:1143
+#: instances/views.py:1142
 msgid "Shut off the VM to change its vCPUs"
 msgstr "vCPU'larını değiştirmek için sanal makineyi kapatın"
 
-#: instances/views.py:1146
+#: instances/views.py:1145
 msgid "The current vCPUs cannot be more than the maximum"
 msgstr "Geçerli vCPU sayısı en fazla değerden büyük olamaz"
 
-#: instances/views.py:1153
+#: instances/views.py:1152
 #, python-format
 msgid "%(quota)s: cannot resize the CPU of '%(instance_name)s'."
 msgstr "%(quota)s: '%(instance_name)s' CPU'su yeniden boyutlandırılamıyor."
 
-#: instances/views.py:1161
+#: instances/views.py:1160
 #, python-format
 msgid "vCPUs set to %(cur)s (maximum %(max)s)"
 msgstr "vCPU sayısı %(cur)s olarak ayarlandı (en fazla %(max)s)"
 
-#: instances/views.py:1180
+#: instances/views.py:1179
 msgid "Enter a whole number for memory"
 msgstr "Bellek için bir tam sayı girin"
 
-#: instances/views.py:1183
+#: instances/views.py:1182
 msgid "The current memory cannot be more than the maximum"
 msgstr "Geçerli bellek en fazla değerden büyük olamaz"
 
-#: instances/views.py:1187
+#: instances/views.py:1186
 #, python-format
 msgid "%(quota)s: cannot resize the memory of '%(instance_name)s'."
 msgstr "%(quota)s: '%(instance_name)s' belleği yeniden boyutlandırılamıyor."
 
-#: instances/views.py:1193
+#: instances/views.py:1192
 #, python-format
 msgid "Memory set to %(cur)s MiB (maximum %(max)s MiB)"
 msgstr "Bellek %(cur)s MiB olarak ayarlandı (en fazla %(max)s MiB)"
 
-#: instances/views.py:1213
+#: instances/views.py:1212
 msgid "Enter disk sizes as whole GiB"
 msgstr "Disk boyutlarını tam GiB olarak girin"
 
-#: instances/views.py:1217
+#: instances/views.py:1216
 #, python-format
 msgid "%(dev)s is %(size)s: a disk cannot shrink"
 msgstr "%(dev)s boyutu %(size)s: disk küçültülemez"
 
-#: instances/views.py:1225
+#: instances/views.py:1224
 msgid "No disks were selected or valid for resizing."
 msgstr "Boyutlandırma için seçilmiş ya da geçerli disk yok."
 
-#: instances/views.py:1234
+#: instances/views.py:1233
 #, python-format
 msgid "%(quota)s: cannot resize the disks of '%(instance_name)s'."
 msgstr "%(quota)s: '%(instance_name)s' diskleri yeniden boyutlandırılamıyor."
 
-#: instances/views.py:1246
+#: instances/views.py:1245
 #, python-format
 msgid "The storage pool of %(dev)s cannot resize its volumes"
 msgstr "%(dev)s diskinin depolama havuzu birimlerini boyutlandıramaz"
 
-#: instances/views.py:1248
+#: instances/views.py:1247
 #, python-format
 msgid "Disk is resized: %(dev)s"
 msgstr "Disk boyutu değiştirildi: %(dev)s"
 
-#: instances/views.py:1342
+#: instances/views.py:1341
 msgid "The VM's machine has no PCIe slots to add"
 msgstr "Sanal makinenin makine tipinde eklenecek PCIe yuvası yok"
 
-#: instances/views.py:1347
+#: instances/views.py:1346
 #, python-format
 msgid "%(count)s PCIe slots added"
 msgstr "%(count)s PCIe yuvası eklendi"
 
-#: instances/views.py:1349
+#: instances/views.py:1348
 #, python-format
 msgid "%(count)s PCIe slots added: the VM gets them at its next start"
 msgstr ""
 "%(count)s PCIe yuvası eklendi: sanal makine bunları sonraki başlatmasında "
 "alır"
 
-#: instances/views.py:1395
+#: instances/views.py:1394
 #, python-format
 msgid "%(volume)s is already a disk of this VM"
 msgstr "%(volume)s zaten bu sanal makinenin bir diski"
 
-#: instances/views.py:1485
+#: instances/views.py:1484
 msgid "Volume changes are applied. But it will be activated after shutdown"
 msgstr ""
 "Birim değişiklikleri uygulandı. Ama yeniden başlatıldıktan sonra uygulanacak"
 
-#: instances/views.py:1490
+#: instances/views.py:1489
 msgid "Volume is changed successfully."
 msgstr "Birim başarıyla değiştirildi."
 
-#: instances/views.py:1508
+#: instances/views.py:1507
 #, python-format
 msgid "Disk %(dev)s is not a storage volume of this instance"
 msgstr "%(dev)s diski bu sanal makinenin bir depolama birimi değil"
 
-#: instances/views.py:1515
+#: instances/views.py:1514
 #, python-format
 msgid "Disk %(dev)s has a pending change; delete it once the VM is shut down"
 msgstr ""
 "%(dev)s diskinin bekleyen bir değişikliği var; sanal makine kapatıldığında "
 "silin"
 
-#: instances/views.py:1530
+#: instances/views.py:1529
 #, python-format
 msgid "Volume %(vol)s is used by another VM; detach it instead"
 msgstr ""
 "%(vol)s birimi başka bir sanal makine tarafından kullanılıyor; onun yerine "
 "ayırın"
 
-#: instances/views.py:1542
+#: instances/views.py:1541
 #, python-format
 msgid ""
 "The guest has not released disk %(dev)s yet; volume %(vol)s was kept. Delete "
@@ -6165,62 +6161,62 @@ msgstr ""
 "Konuk sistem %(dev)s diskini henüz bırakmadı; %(vol)s birimi korundu. Sanal "
 "makine kapatıldığında depolama havuzundan silin."
 
-#: instances/views.py:1553
+#: instances/views.py:1552
 #, python-format
 msgid "Disk %(dev)s was detached, but its volume was kept: %(err)s"
 msgstr "%(dev)s diski ayrıldı, ancak birimi korundu: %(err)s"
 
-#: instances/views.py:1579
+#: instances/views.py:1578
 #, python-format
 msgid "This VM cannot take a CD-ROM on the %(bus)s bus now"
 msgstr "Bu sanal makineye şu anda %(bus)s veri yolunda CD-ROM eklenemez"
 
-#: instances/views.py:1582
+#: instances/views.py:1581
 msgid "A USB CD-ROM needs an ISO image: libvirt has no empty USB drive"
 msgstr "USB CD-ROM bir ISO imajı ister: libvirt boş USB sürücü desteklemiyor"
 
-#: instances/views.py:1587
+#: instances/views.py:1586
 #, python-format
 msgid "%(image)s is already in a CD-ROM of this VM"
 msgstr "%(image)s bu sanal makinenin bir CD-ROM'unda zaten takılı"
 
-#: instances/views.py:1668
+#: instances/views.py:1667
 #, python-format
 msgid "Pool %(pool)s was not read again: %(err)s"
 msgstr "%(pool)s havuzu yeniden okunamadı: %(err)s"
 
-#: instances/views.py:1689
+#: instances/views.py:1688
 #, python-format
 msgid "Snapshot was not deleted: %(err)s"
 msgstr "Anlık görüntü silinmedi: %(err)s"
 
-#: instances/views.py:1804
+#: instances/views.py:1803
 msgid "Add at least one device to the boot order."
 msgstr "Ön yükleme sırasına en az bir aygıt ekleyin."
 
-#: instances/views.py:1818
+#: instances/views.py:1817
 msgid "Boot order changed. It applies at the next start."
 msgstr "Ön yükleme sırası değiştirildi. Sonraki başlatmada uygulanır."
 
-#: instances/views.py:1820
+#: instances/views.py:1819
 msgid "Boot order changed successfully."
 msgstr "Ön yükleme sırası başarıyla değiştirildi."
 
-#: instances/views.py:1840
+#: instances/views.py:1839
 msgid "The XML is empty"
 msgstr "XML boş"
 
-#: instances/views.py:1844 instances/views.py:2469
+#: instances/views.py:1843 instances/views.py:2468
 #, python-format
 msgid "The XML is not well-formed: %(error)s"
 msgstr "XML düzgün biçimlendirilmemiş: %(error)s"
 
-#: instances/views.py:1846
+#: instances/views.py:1845
 #, python-format
 msgid "The XML must keep the VM's UUID %(uuid)s."
 msgstr "XML, sanal makinenin %(uuid)s UUID'sini korumalıdır."
 
-#: instances/views.py:1850
+#: instances/views.py:1849
 msgid ""
 "The definition has changed since the editor was opened. Reload the page to "
 "edit the current one."
@@ -6228,40 +6224,40 @@ msgstr ""
 "Düzenleyici açıldığından beri tanım değişti. Geçerli tanımı düzenlemek için "
 "sayfayı yeniden yükleyin."
 
-#: instances/views.py:1862
+#: instances/views.py:1861
 msgid "The XML definition was saved."
 msgstr "XML tanımı kaydedildi."
 
-#: instances/views.py:1864
+#: instances/views.py:1863
 msgid "The XML definition was saved; the VM uses it from its next start."
 msgstr ""
 "XML tanımı kaydedildi; sanal makine onu sonraki başlatmasından itibaren "
 "kullanır."
 
-#: instances/views.py:1945
+#: instances/views.py:1944
 msgid "Select one network interface to change"
 msgstr "Değiştirilecek bir ağ arabirimi seçin"
 
-#: instances/views.py:1983
+#: instances/views.py:1982
 msgid "Network Device Config is changed. Please shutdown instance to activate."
 msgstr ""
 "Ağ aygıtı yapılandırması değiştirildi. Aktifleştirmek için lütfen sanal "
 "makineyi kapatın."
 
-#: instances/views.py:1985
+#: instances/views.py:1984
 msgid "Network device changed"
 msgstr "Ağ aygıtı değiştirildi"
 
-#: instances/views.py:1997
+#: instances/views.py:1996
 msgid "No network selected"
 msgstr "Ağ seçilmedi"
 
-#: instances/views.py:2002
+#: instances/views.py:2001
 #, python-format
 msgid "The VM already has a network device with MAC %(mac)s"
 msgstr "Sanal makinede %(mac)s MAC adresli bir ağ aygıtı zaten var"
 
-#: instances/views.py:2021
+#: instances/views.py:2020
 msgid ""
 "The running VM has no free PCI slot for another network device: shut it down "
 "and add the device then; Add PCIe slots on the Disks tab gives it free ones "
@@ -6271,21 +6267,21 @@ msgstr ""
 "aygıtı sonra ekleyin; Diskler sekmesindeki PCIe yuvaları ekle, sonraki "
 "başlatmadan itibaren ona boş yuvalar verir."
 
-#: instances/views.py:2062 instances/views.py:2068
+#: instances/views.py:2061 instances/views.py:2067
 msgid "The VM has it"
 msgstr "Sanal makinede var"
 
-#: instances/views.py:2099
+#: instances/views.py:2098
 #, python-format
 msgid "The host has no USB device %(device)s"
 msgstr "Sunucuda %(device)s USB aygıtı yok"
 
-#: instances/views.py:2120
+#: instances/views.py:2119
 #, python-format
 msgid "The host has no PCI device %(device)s"
 msgstr "Sunucuda %(device)s PCI aygıtı yok"
 
-#: instances/views.py:2138
+#: instances/views.py:2137
 #, python-format
 msgid ""
 "Removal of PCI device %(address)s requested: the guest has not let it go yet;"
@@ -6295,20 +6291,20 @@ msgstr ""
 "bırakmadı; bırakana ya da sanal makine durana kadar çalışan sanal makinede "
 "kalır."
 
-#: instances/views.py:2183 instances/views.py:2213
+#: instances/views.py:2182 instances/views.py:2212
 msgid "Select a network interface and a QoS direction"
 msgstr "Bir ağ arabirimi ve bir QoS yönü seçin"
 
-#: instances/views.py:2186 vrtManager/network.py:459
+#: instances/views.py:2185 vrtManager/network.py:454
 msgid "QoS rates must be whole numbers"
 msgstr "QoS hızları tam sayı olmalıdır"
 
-#: instances/views.py:2193 networks/views.py:229
+#: instances/views.py:2192 networks/views.py:229
 #, python-format
 msgid "%(qos_dir)s QoS is set"
 msgstr "%(qos_dir)s QoS ayarlandı"
 
-#: instances/views.py:2198
+#: instances/views.py:2197
 #, python-format
 msgid ""
 "%(qos_dir)s QoS is set. A running VM gets it after it is powered off and on."
@@ -6316,12 +6312,12 @@ msgstr ""
 "%(qos_dir)s QoS ayarlandı. Çalışan bir sanal makine, kapatılıp açıldıktan "
 "sonra bunu alır."
 
-#: instances/views.py:2220 networks/views.py:255
+#: instances/views.py:2219 networks/views.py:255
 #, python-format
 msgid "%(qos_dir)s QoS is deleted"
 msgstr "%(qos_dir)s QoS silindi"
 
-#: instances/views.py:2225
+#: instances/views.py:2224
 #, python-format
 msgid ""
 "%(qos_dir)s QoS is deleted. A running VM keeps the old limit until it is "
@@ -6330,21 +6326,21 @@ msgstr ""
 "%(qos_dir)s QoS silindi. Çalışan bir sanal makine, kapatılıp açılana kadar "
 "eski sınırı korur."
 
-#: instances/views.py:2253
+#: instances/views.py:2252
 msgid "Only one owner is allowed and the one already added"
 msgstr "Sadece bir sahibe izin verilmiştir ve bir sahip zaten eklenmiş"
 
-#: instances/views.py:2255
+#: instances/views.py:2254
 #, python-format
 msgid "%(user)s is already an owner"
 msgstr "%(user)s zaten bir sahip"
 
-#: instances/views.py:2300
+#: instances/views.py:2299
 #, python-format
 msgid "Console settings were not saved: %(errors)s"
 msgstr "Konsol ayarları kaydedilmedi: %(errors)s"
 
-#: instances/views.py:2322
+#: instances/views.py:2321
 msgid ""
 "Error setting console password. You should check that your instance have an "
 "graphic device."
@@ -6352,65 +6348,57 @@ msgstr ""
 "Konsol parolası ayarlanırken hata oluştu. Sanal makinenin bir grafik aygıtına"
 " sahip olduğundan emin olunuz."
 
-#: instances/views.py:2369
+#: instances/views.py:2368
 msgid "Shut the VM down to change whether it is a template."
 msgstr "Şablon olup olmadığını değiştirmek için sanal makineyi kapatın."
 
-#: instances/views.py:2375
+#: instances/views.py:2374
 #, python-format
 msgid "%(quota)s: '%(instance_name)s' stays a template."
 msgstr "%(quota)s: '%(instance_name)s' şablon olarak kalıyor."
 
-#: instances/views.py:2457
+#: instances/views.py:2456
 msgid "The XML has no name"
 msgstr "XML'de ad yok"
 
-#: instances/views.py:2471 webvirtcloud/middleware.py:126
+#: instances/views.py:2470 webvirtcloud/middleware.py:126
 #, python-format
 msgid "libvirt Error - %(exception)s"
 msgstr "libvirt Hatası - %(exception)s"
 
-#: instances/views.py:2478
+#: instances/views.py:2477
 msgid "An empty disk of the size you set"
 msgstr "Belirlediğiniz boyutta boş bir disk"
 
-#: instances/views.py:2479
+#: instances/views.py:2478
 msgid "Volumes already in a pool"
 msgstr "Bir havuzda zaten bulunan birimler"
 
-#: instances/views.py:2480
+#: instances/views.py:2479
 msgid "A copy of a template volume"
 msgstr "Bir şablon biriminin kopyası"
 
-#: instances/views.py:2569
+#: instances/views.py:2568
 msgid "You haven't defined any storage pools"
 msgstr "Hiç bir depolama havuzu tanımlamadınız"
 
-#: instances/views.py:2571
+#: instances/views.py:2570
 msgid "You haven't defined any network pools"
 msgstr "Hiç bir ağ havuzu tanımlamadınız"
 
-#: instances/views.py:2634
+#: instances/views.py:2633
 msgid "Flavor Created"
 msgstr "Flavor Oluşturuldu"
 
-#: instances/views.py:2642
+#: instances/views.py:2641
 msgid "Create Flavor"
 msgstr "Kullanıcı Oluştur"
 
-#: instances/views.py:2657
-msgid "Flavor Updated"
-msgstr "Flavor Güncellendi"
-
-#: instances/views.py:2663
-msgid "Update Flavor"
-msgstr "Flavor Güncelle"
-
-#: instances/views.py:2675
+#: instances/views.py:2653
 msgid "Flavor Deleted"
 msgstr "Flavor Silindi"
 
-#: instances/views.py:2681
+#: instances/views.py:2659
 msgid "Only the size template goes; VMs made from it keep their size."
 msgstr ""
 "Yalnızca boyut şablonu silinir; ondan oluşturulan sanal makineler boyutlarını"
@@ -8881,23 +8869,23 @@ msgstr ""
 "Eski değerin yerini hemen alır; bir parolanın şifrelediği veriler yeniden "
 "şifrelenmez."
 
-#: vrtManager/connection.py:51
+#: vrtManager/connection.py:46
 msgid "Connection closed (error)"
 msgstr "Bağlantı kapandı (hata)"
 
-#: vrtManager/connection.py:52
+#: vrtManager/connection.py:47
 msgid "Connection closed (end of file)"
 msgstr "Bağlantı kapandı (dosya sonu)"
 
-#: vrtManager/connection.py:53
+#: vrtManager/connection.py:48
 msgid "Connection closed (keepalive timeout)"
 msgstr "Bağlantı kapandı (canlı tutma zaman aşımı)"
 
-#: vrtManager/connection.py:54
+#: vrtManager/connection.py:49
 msgid "Connection closed (client closed)"
 msgstr "Bağlantı kapandı (istemci kapattı)"
 
-#: vrtManager/connection.py:147
+#: vrtManager/connection.py:142
 #, python-format
 msgid ""
 "Connection Failed: %(host)s does not answer: %(requests)s requests still wait"
@@ -8906,26 +8894,26 @@ msgstr ""
 "Bağlantı başarısız: %(host)s yanıt vermiyor: %(requests)s istek hâlâ onu "
 "bekliyor"
 
-#: vrtManager/connection.py:219
+#: vrtManager/connection.py:214
 #, python-format
 msgid "Connection Failed: %(host)s did not answer within %(seconds)s s"
 msgstr "Bağlantı başarısız: %(host)s %(seconds)s sn içinde yanıt vermedi"
 
-#: vrtManager/connection.py:230
+#: vrtManager/connection.py:225
 msgid "the connection closed right after opening"
 msgstr "bağlantı açıldıktan hemen sonra kapandı"
 
-#: vrtManager/connection.py:243
+#: vrtManager/connection.py:238
 #, python-format
 msgid "Connection Failed: %(error)s"
 msgstr "Bağlantı başarısız: %(error)s"
 
-#: vrtManager/connection.py:312
+#: vrtManager/connection.py:307
 #, python-format
 msgid "Connection closed (%(reason)s)"
 msgstr "Bağlantı kapandı (%(reason)s)"
 
-#: vrtManager/connection.py:455
+#: vrtManager/connection.py:450
 #, python-format
 msgid "Connection Failed: %(host)s is not connected"
 msgstr "Bağlantı başarısız: %(host)s bağlı değil"
@@ -9574,108 +9562,108 @@ msgstr ""
 "%(net)s ağı kayıtlı olandan farklı adreslerle çalışıyor; önce durdurup "
 "başlatın"
 
-#: vrtManager/network.py:339
+#: vrtManager/network.py:334
 #, python-format
 msgid "Network %(net)s has no such address"
 msgstr "%(net)s ağında böyle bir adres yok"
 
-#: vrtManager/network.py:344
+#: vrtManager/network.py:339
 #, python-format
 msgid "The range start %(address)s is not in %(subnet)s"
 msgstr "Aralık başlangıcı %(address)s, %(subnet)s içinde değil"
 
-#: vrtManager/network.py:345
+#: vrtManager/network.py:340
 #, python-format
 msgid "The range start %(address)s is not in the network"
 msgstr "Aralık başlangıcı %(address)s ağın içinde değil"
 
-#: vrtManager/network.py:346
+#: vrtManager/network.py:341
 #, python-format
 msgid "The range end %(address)s is not in %(subnet)s"
 msgstr "Aralık sonu %(address)s, %(subnet)s içinde değil"
 
-#: vrtManager/network.py:347
+#: vrtManager/network.py:342
 #, python-format
 msgid "The range end %(address)s is not in the network"
 msgstr "Aralık sonu %(address)s ağın içinde değil"
 
-#: vrtManager/network.py:348
+#: vrtManager/network.py:343
 #, python-format
 msgid "The fixed address %(address)s is not in %(subnet)s"
 msgstr "Sabit adres %(address)s, %(subnet)s içinde değil"
 
-#: vrtManager/network.py:349
+#: vrtManager/network.py:344
 #, python-format
 msgid "The fixed address %(address)s is not in the network"
 msgstr "Sabit adres %(address)s ağın içinde değil"
 
-#: vrtManager/network.py:358
+#: vrtManager/network.py:353
 #, python-format
 msgid "%(address)s is not an IP address"
 msgstr "%(address)s bir IP adresi değil"
 
-#: vrtManager/network.py:363
+#: vrtManager/network.py:358
 #, python-format
 msgid "%(address)s is the host's own address on the network"
 msgstr "%(address)s sunucunun bu ağdaki kendi adresi"
 
-#: vrtManager/network.py:369
+#: vrtManager/network.py:364
 #, python-format
 msgid "Stop network %(net)s to change its DHCP range"
 msgstr "DHCP aralığını değiştirmek için %(net)s ağını durdurun"
 
-#: vrtManager/network.py:373
+#: vrtManager/network.py:368
 #, python-format
 msgid "This address of network %(net)s has no DHCP range"
 msgstr "%(net)s ağının bu adresinin DHCP aralığı yok"
 
-#: vrtManager/network.py:377
+#: vrtManager/network.py:372
 #, python-format
 msgid "The range starts at %(start)s, after its end %(end)s"
 msgstr ""
 "Aralık, sonu olan %(end)s adresinden sonra, %(start)s adresinde başlıyor"
 
-#: vrtManager/network.py:379
+#: vrtManager/network.py:374
 #, python-format
 msgid "The range takes in %(address)s, the host's own address"
 msgstr "Aralık, sunucunun kendi adresi olan %(address)s adresini içeriyor"
 
-#: vrtManager/network.py:388
+#: vrtManager/network.py:383
 #, python-format
 msgid "Network %(net)s has no fixed address %(address)s"
 msgstr "%(net)s ağında %(address)s sabit adresi yok"
 
-#: vrtManager/network.py:410
+#: vrtManager/network.py:405
 #, python-format
 msgid "The fixed address %(original)s is gone meanwhile; reload the page"
 msgstr ""
 "%(original)s sabit adresi bu arada kaldırılmış; sayfayı yeniden yükleyin"
 
-#: vrtManager/network.py:415
+#: vrtManager/network.py:410
 #, python-format
 msgid "%(address)s is another entry's fixed address"
 msgstr "%(address)s başka bir kaydın sabit adresi"
 
-#: vrtManager/network.py:417
+#: vrtManager/network.py:412
 #, python-format
 msgid "%(mac_duid)s has another fixed address, %(other)s"
 msgstr "%(mac_duid)s için başka bir sabit adres var: %(other)s"
 
-#: vrtManager/network.py:419
+#: vrtManager/network.py:414
 #, python-format
 msgid "The name %(name)s has another fixed address, %(other)s"
 msgstr "%(name)s adı için başka bir sabit adres var: %(other)s"
 
-#: vrtManager/network.py:455
+#: vrtManager/network.py:450
 msgid "Direction must be inbound or outbound"
 msgstr "Yön gelen ya da giden olmalı"
 
-#: vrtManager/network.py:482
+#: vrtManager/network.py:477
 #, python-format
 msgid "The XML must define network %(net)s"
 msgstr "XML, %(net)s ağını tanımlamalıdır"
 
-#: vrtManager/network.py:484
+#: vrtManager/network.py:479
 msgid "The XML must keep the network's UUID"
 msgstr "XML, ağın UUID değerini korumalıdır"
 
@@ -9912,7 +9900,7 @@ msgstr ""
 "%(vms)s sanal makinelerinin %(name)s havuzunda adıyla bağlı diskleri var ve "
 "artık başlamaz; önce bu diskleri ayırın"
 
-#: vrtManager/storage.py:279
+#: vrtManager/storage.py:270
 #, python-format
 msgid ""
 "Volume %(name)s is in use: a VM's disk, a backing file or a snapshot's file"
@@ -9920,12 +9908,12 @@ msgstr ""
 "%(name)s birimi kullanımda: bir sanal makinenin diski, bir temel (backing) "
 "dosya ya da bir anlık görüntünün dosyası"
 
-#: vrtManager/util.py:145
+#: vrtManager/util.py:95
 #, python-format
 msgid "The XML is not valid: %(err)s"
 msgstr "XML geçerli değil: %(err)s"
 
-#: vrtManager/util.py:147
+#: vrtManager/util.py:97
 msgid "The XML may not declare a DTD"
 msgstr "XML bir DTD bildiremez"
 
diff --git a/locale/zh/LC_MESSAGES/django.mo b/locale/zh/LC_MESSAGES/django.mo
index f761599c..38965e94 100644
Binary files a/locale/zh/LC_MESSAGES/django.mo and b/locale/zh/LC_MESSAGES/django.mo differ
diff --git a/locale/zh/LC_MESSAGES/django.po b/locale/zh/LC_MESSAGES/django.po
index 937295e8..da98c7b6 100644
--- a/locale/zh/LC_MESSAGES/django.po
+++ b/locale/zh/LC_MESSAGES/django.po
@@ -199,7 +199,7 @@ msgid "User sections"
 msgstr "用户页面导航"
 
 #: accounts/templates/account.html:44 accounts/templates/account.html:52
-#: admin/forms.py:189 computes/templates/computes/list.html:30
+#: admin/forms.py:185 computes/templates/computes/list.html:30
 #: computes/templates/computes/list.html:57 computes/templates/overview.html:46
 msgid "VMs"
 msgstr "虚拟机"
@@ -687,12 +687,12 @@ msgstr "权限"
 msgid "Groups"
 msgstr "用户组"
 
-#: admin/forms.py:143
+#: admin/forms.py:139
 #, python-format
 msgid "NEW_USER_DEFAULT_INSTANCES: %(name)s is not exactly one VM"
 msgstr "NEW_USER_DEFAULT_INSTANCES：%(name)s 不是唯一的一台虚拟机"
 
-#: admin/forms.py:190 computes/templates/computes/list.html:58
+#: admin/forms.py:186 computes/templates/computes/list.html:58
 #: computes/templates/overview.html:58 instances/forms.py:15
 #: instances/templates/allinstances_index_grouped.html:16
 #: instances/templates/allinstances_index_nongrouped.html:14
@@ -702,7 +702,7 @@ msgstr "NEW_USER_DEFAULT_INSTANCES：%(name)s 不是唯一的一台虚拟机"
 msgid "vCPUs"
 msgstr "vCPU"
 
-#: admin/forms.py:191 computes/templates/computes/instances.html:49
+#: admin/forms.py:187 computes/templates/computes/instances.html:49
 #: computes/templates/computes/list.html:59 computes/templates/overview.html:66
 #: computes/templates/overview.html:150
 #: instances/templates/allinstances_index_grouped.html:17
@@ -714,34 +714,34 @@ msgstr "vCPU"
 msgid "Memory"
 msgstr "内存"
 
-#: admin/forms.py:192 instances/models.py:237
+#: admin/forms.py:188 instances/models.py:237
 #: instances/templates/create_instance_w2.html:118
 #: instances/templates/instances/settings_tab.html:25
 #: instances/templates/instances/stats_tab.html:51
 msgid "Disk"
 msgstr "磁盘"
 
-#: admin/forms.py:202
+#: admin/forms.py:198
 msgid "No limit"
 msgstr "不限"
 
-#: admin/forms.py:218
+#: admin/forms.py:214
 msgid "Enter a limit or choose No limit."
 msgstr "请输入限制值，或选择“不限”。"
 
-#: admin/forms.py:230
+#: admin/forms.py:226
 msgid "The user must change it at their next login"
 msgstr "用户必须在下次登录时修改密码"
 
-#: admin/forms.py:236
+#: admin/forms.py:232
 msgid "With a password"
 msgstr "使用密码"
 
-#: admin/forms.py:236
+#: admin/forms.py:232
 msgid "Without a password"
 msgstr "不使用密码"
 
-#: admin/forms.py:242
+#: admin/forms.py:238
 msgid "A user without a password cannot be made to change it"
 msgstr "没有密码的用户无法被要求修改密码"
 
@@ -895,7 +895,7 @@ msgid "IP"
 msgstr "IP"
 
 #: admin/templates/admin/logs.html:56 admin/views.py:286 instances/states.py:19
-#: instances/views.py:415 instances/views.py:417 logs/views.py:17
+#: instances/views.py:414 instances/views.py:416 logs/views.py:17
 msgid "Unknown"
 msgstr "未知"
 
@@ -2279,25 +2279,21 @@ msgstr "客户机架构"
 msgid "Emulator"
 msgstr "模拟器"
 
-#: computes/validators.py:25
+#: computes/validators.py:24
 msgid "Enter an IPv4 address or a host name, without a scheme, port or path"
 msgstr "请输入 IPv4 地址或主机名，不带协议、端口或路径"
 
-#: computes/validators.py:36
+#: computes/validators.py:35
 msgid ""
 "The login may contain only letters, digits, '.', '_' and '-', and may not "
 "start with '-'"
 msgstr "登录名只能包含字母、数字、'.'、'_' 和 '-'，且不能以 '-' 开头"
 
-#: computes/validators.py:42
-msgid "The name must not contain any special characters"
-msgstr "名称不能包含任何特殊字符"
-
-#: computes/validators.py:53
+#: computes/validators.py:47
 msgid "Enter an IP address or a host name, without a scheme or port"
 msgstr "请输入 IP 地址或主机名，不带协议或端口"
 
-#: computes/validators.py:60
+#: computes/validators.py:54
 msgid ""
 "Enter the 64 hexadecimal characters of GSTFSD_KEY in the host's "
 "/etc/default/webvirt-gstfsd"
@@ -2819,7 +2815,7 @@ msgstr "磁盘已复制，但无法定义克隆：%(error)s；请检查这些卷
 msgid "Create VM"
 msgstr "创建虚拟机"
 
-#: instances/jobs.py:773 instances/jobs.py:818 instances/views.py:2459
+#: instances/jobs.py:773 instances/jobs.py:818 instances/views.py:2458
 msgid "A virtual machine with this name already exists"
 msgstr "同名虚拟机已存在"
 
@@ -3207,7 +3203,7 @@ msgid "Disk source"
 msgstr "磁盘来源"
 
 #: instances/templates/add_instance_volume.html:21
-#: instances/templates/create_instance_w2.html:134 instances/views.py:2478
+#: instances/templates/create_instance_w2.html:134 instances/views.py:2477
 msgid "New disk"
 msgstr "新磁盘"
 
@@ -3571,7 +3567,7 @@ msgstr "自定义 CPU 型号"
 msgid "Size (GiB)"
 msgstr "大小（GiB）"
 
-#: instances/templates/create_instance_w2.html:161 instances/views.py:2479
+#: instances/templates/create_instance_w2.html:161 instances/views.py:2478
 msgid "Existing volumes"
 msgstr "已有卷"
 
@@ -3607,7 +3603,7 @@ msgstr "设备"
 msgid "Remove"
 msgstr "移除"
 
-#: instances/templates/create_instance_w2.html:194 instances/views.py:2480
+#: instances/templates/create_instance_w2.html:194 instances/views.py:2479
 msgid "Clone from template"
 msgstr "从模板克隆"
 
@@ -5613,58 +5609,58 @@ msgstr "无效的 MAC 地址"
 msgid "More MAC addresses than networks"
 msgstr "MAC 地址数量多于网络数量"
 
-#: instances/views.py:169
+#: instances/views.py:168
 msgid "Enter an IP address, a network such as 192.0.2.0/24, or a MAC address."
 msgstr "请输入 IP 地址、网络（如 192.0.2.0/24）或 MAC 地址。"
 
-#: instances/views.py:175 instances/views.py:209
+#: instances/views.py:174 instances/views.py:208
 msgid "Too many searches are still running; try again shortly."
 msgstr "仍在运行的搜索过多；请稍后再试。"
 
-#: instances/views.py:257
+#: instances/views.py:256
 #, python-format
 msgid "The host %(host)s of '%(name)s' cannot be reached: %(error)s"
 msgstr "无法连接“%(name)s”所在的主机 %(host)s：%(error)s"
 
-#: instances/views.py:263
+#: instances/views.py:262
 #, python-format
 msgid "The host of '%(name)s' cannot be reached right now."
 msgstr "目前无法连接“%(name)s”所在的主机。"
 
-#: instances/views.py:264
+#: instances/views.py:263
 msgid " Jobs on it can be followed under Jobs in the menu."
 msgstr " 其上的任务可在菜单的“任务”中跟踪。"
 
-#: instances/views.py:272
+#: instances/views.py:271
 #, python-format
 msgid "'%(name)s' is no longer on its host."
 msgstr "“%(name)s”已不在其主机上。"
 
-#: instances/views.py:370
+#: instances/views.py:369
 msgid "There is no other host to migrate to."
 msgstr "没有其他可迁移到的主机。"
 
-#: instances/views.py:372
+#: instances/views.py:371
 msgid "A VM migrates when it is running, paused or shut off."
 msgstr "虚拟机在运行、暂停或关机状态下均可迁移。"
 
-#: instances/views.py:374
+#: instances/views.py:373
 msgid ""
 "A VM with snapshots cannot be migrated: its snapshots stay on this host. "
 "Delete them first."
 msgstr "有快照的虚拟机无法迁移：其快照保留在本主机上。请先删除快照。"
 
-#: instances/views.py:376
+#: instances/views.py:375
 msgid ""
 "A VM with host devices cannot be migrated: the destination may not have them."
 " Remove them first."
 msgstr "有主机设备的虚拟机无法迁移：目标主机可能没有这些设备。请先移除它们。"
 
-#: instances/views.py:640
+#: instances/views.py:639
 msgid "The VM was moved meanwhile; try again."
 msgstr "该虚拟机在此期间已被移动；请重试。"
 
-#: instances/views.py:756
+#: instances/views.py:755
 msgid ""
 "The running VM has no free PCI slot for another disk on this bus: choose the "
 "scsi bus if the VM has a SCSI controller, or shut the VM down and add the "
@@ -5674,7 +5670,7 @@ msgstr ""
 "运行中的虚拟机在此总线上没有可用 PCI 插槽来添加磁盘：如果虚拟机有 SCSI 控制器，请选择 scsi "
 "总线；或关闭虚拟机后再添加磁盘。“磁盘”选项卡上的“添加 PCIe 插槽”可使其从下次启动起获得可用插槽。新卷会保留在其存储池中，可作为现有卷挂载。"
 
-#: instances/views.py:760
+#: instances/views.py:759
 msgid ""
 "The running VM has no free PCI slot for the SCSI controller the disk needs: "
 "shut the VM down and add the disk then; Add PCIe slots on the Disks tab gives"
@@ -5684,262 +5680,262 @@ msgstr ""
 "运行中的虚拟机没有可用 PCI 插槽来添加磁盘所需的 SCSI 控制器：请关闭虚拟机后再添加磁盘。“磁盘”选项卡上的“添加 PCIe "
 "插槽”可使其从下次启动起获得可用插槽。新卷会保留在其存储池中，可作为现有卷挂载。"
 
-#: instances/views.py:778
+#: instances/views.py:777
 #, python-format
 msgid "Invalid disk options: %(options)s"
 msgstr "无效的磁盘选项：%(options)s"
 
-#: instances/views.py:788 instances/views.py:803
+#: instances/views.py:787 instances/views.py:802
 msgid "Templates cannot be started."
 msgstr "模板无法启动。"
 
-#: instances/views.py:995
+#: instances/views.py:994
 #, python-format
 msgid "Set the gstfsd key of %(compute)s first (Computes, edit the host)"
 msgstr "请先设置 %(compute)s 的 gstfsd 密钥（计算节点，编辑该主机）"
 
-#: instances/views.py:1002 instances/views.py:1020 instances/views.py:1029
+#: instances/views.py:1001 instances/views.py:1019 instances/views.py:1028
 #, python-format
 msgid "gstfsd error: %(err)s"
 msgstr "gstfsd 错误：%(err)s"
 
-#: instances/views.py:1030
+#: instances/views.py:1029
 msgid "the reply is not signed with the key"
 msgstr "回复未使用该密钥签名"
 
-#: instances/views.py:1038
+#: instances/views.py:1037
 msgid "Shut the VM down, or start its QEMU guest agent, and try again"
 msgstr "请关闭虚拟机，或启动其 QEMU 客户机代理，然后重试"
 
-#: instances/views.py:1051
+#: instances/views.py:1050
 msgid "The change may still be made when the agent answers again."
 msgstr "当代理再次响应时，此更改仍可能生效。"
 
-#: instances/views.py:1079
+#: instances/views.py:1078
 msgid "Reset root password"
 msgstr "重置 root 密码"
 
-#: instances/views.py:1083
+#: instances/views.py:1082
 msgid "Enter a password"
 msgstr "请输入密码"
 
-#: instances/views.py:1097
+#: instances/views.py:1096
 msgid "Select an SSH public key"
 msgstr "请选择 SSH 公钥"
 
-#: instances/views.py:1119
+#: instances/views.py:1118
 #, python-format
 msgid "Installed new SSH public key %(keyname)s"
 msgstr "已安装新的 SSH 公钥 %(keyname)s"
 
-#: instances/views.py:1139
+#: instances/views.py:1138
 msgid "Enter a whole number of vCPUs"
 msgstr "请输入整数个 vCPU"
 
-#: instances/views.py:1143
+#: instances/views.py:1142
 msgid "Shut off the VM to change its vCPUs"
 msgstr "请关闭虚拟机以更改其 vCPU"
 
-#: instances/views.py:1146
+#: instances/views.py:1145
 msgid "The current vCPUs cannot be more than the maximum"
 msgstr "当前 vCPU 数不能超过最大值"
 
-#: instances/views.py:1153
+#: instances/views.py:1152
 #, python-format
 msgid "%(quota)s: cannot resize the CPU of '%(instance_name)s'."
 msgstr "%(quota)s：无法调整“%(instance_name)s”的 CPU。"
 
-#: instances/views.py:1161
+#: instances/views.py:1160
 #, python-format
 msgid "vCPUs set to %(cur)s (maximum %(max)s)"
 msgstr "vCPU 已设为 %(cur)s（最大 %(max)s）"
 
-#: instances/views.py:1180
+#: instances/views.py:1179
 msgid "Enter a whole number for memory"
 msgstr "请输入整数内存值"
 
-#: instances/views.py:1183
+#: instances/views.py:1182
 msgid "The current memory cannot be more than the maximum"
 msgstr "当前内存不能超过最大值"
 
-#: instances/views.py:1187
+#: instances/views.py:1186
 #, python-format
 msgid "%(quota)s: cannot resize the memory of '%(instance_name)s'."
 msgstr "%(quota)s：无法调整“%(instance_name)s”的内存。"
 
-#: instances/views.py:1193
+#: instances/views.py:1192
 #, python-format
 msgid "Memory set to %(cur)s MiB (maximum %(max)s MiB)"
 msgstr "内存已设为 %(cur)s MiB（最大 %(max)s MiB）"
 
-#: instances/views.py:1213
+#: instances/views.py:1212
 msgid "Enter disk sizes as whole GiB"
 msgstr "请以整数 GiB 输入磁盘大小"
 
-#: instances/views.py:1217
+#: instances/views.py:1216
 #, python-format
 msgid "%(dev)s is %(size)s: a disk cannot shrink"
 msgstr "%(dev)s 为 %(size)s：磁盘不能缩小"
 
-#: instances/views.py:1225
+#: instances/views.py:1224
 msgid "No disks were selected or valid for resizing."
 msgstr "未选择磁盘或没有可调整大小的有效磁盘。"
 
-#: instances/views.py:1234
+#: instances/views.py:1233
 #, python-format
 msgid "%(quota)s: cannot resize the disks of '%(instance_name)s'."
 msgstr "%(quota)s：无法调整“%(instance_name)s”的磁盘。"
 
-#: instances/views.py:1246
+#: instances/views.py:1245
 #, python-format
 msgid "The storage pool of %(dev)s cannot resize its volumes"
 msgstr "%(dev)s 所在的存储池无法调整其卷的大小"
 
-#: instances/views.py:1248
+#: instances/views.py:1247
 #, python-format
 msgid "Disk is resized: %(dev)s"
 msgstr "磁盘已调整大小：%(dev)s"
 
-#: instances/views.py:1342
+#: instances/views.py:1341
 msgid "The VM's machine has no PCIe slots to add"
 msgstr "该虚拟机的机器类型没有可添加的 PCIe 插槽"
 
-#: instances/views.py:1347
+#: instances/views.py:1346
 #, python-format
 msgid "%(count)s PCIe slots added"
 msgstr "已添加 %(count)s 个 PCIe 插槽"
 
-#: instances/views.py:1349
+#: instances/views.py:1348
 #, python-format
 msgid "%(count)s PCIe slots added: the VM gets them at its next start"
 msgstr "已添加 %(count)s 个 PCIe 插槽：虚拟机在下次启动时获得它们"
 
-#: instances/views.py:1395
+#: instances/views.py:1394
 #, python-format
 msgid "%(volume)s is already a disk of this VM"
 msgstr "%(volume)s 已是此虚拟机的磁盘"
 
-#: instances/views.py:1485
+#: instances/views.py:1484
 msgid "Volume changes are applied. But it will be activated after shutdown"
 msgstr "卷更改已应用，但将在关机后生效"
 
-#: instances/views.py:1490
+#: instances/views.py:1489
 msgid "Volume is changed successfully."
 msgstr "卷已成功更改。"
 
-#: instances/views.py:1508
+#: instances/views.py:1507
 #, python-format
 msgid "Disk %(dev)s is not a storage volume of this instance"
 msgstr "磁盘 %(dev)s 不是此虚拟机的存储卷"
 
-#: instances/views.py:1515
+#: instances/views.py:1514
 #, python-format
 msgid "Disk %(dev)s has a pending change; delete it once the VM is shut down"
 msgstr "磁盘 %(dev)s 有待生效的更改；请在虚拟机关机后删除它"
 
-#: instances/views.py:1530
+#: instances/views.py:1529
 #, python-format
 msgid "Volume %(vol)s is used by another VM; detach it instead"
 msgstr "卷 %(vol)s 正被另一台虚拟机使用；请改为分离它"
 
-#: instances/views.py:1542
+#: instances/views.py:1541
 #, python-format
 msgid ""
 "The guest has not released disk %(dev)s yet; volume %(vol)s was kept. Delete "
 "it from the storage pool once the VM is shut down."
 msgstr "客户机尚未释放磁盘 %(dev)s；卷 %(vol)s 已保留。请在虚拟机关机后从存储池中删除它。"
 
-#: instances/views.py:1553
+#: instances/views.py:1552
 #, python-format
 msgid "Disk %(dev)s was detached, but its volume was kept: %(err)s"
 msgstr "磁盘 %(dev)s 已分离，但其卷已保留：%(err)s"
 
-#: instances/views.py:1579
+#: instances/views.py:1578
 #, python-format
 msgid "This VM cannot take a CD-ROM on the %(bus)s bus now"
 msgstr "该虚拟机现在无法在 %(bus)s 总线上添加 CD-ROM"
 
-#: instances/views.py:1582
+#: instances/views.py:1581
 msgid "A USB CD-ROM needs an ISO image: libvirt has no empty USB drive"
 msgstr "USB CD-ROM 需要 ISO 镜像：libvirt 不支持空的 USB 驱动器"
 
-#: instances/views.py:1587
+#: instances/views.py:1586
 #, python-format
 msgid "%(image)s is already in a CD-ROM of this VM"
 msgstr "%(image)s 已在此虚拟机的某个光驱中"
 
-#: instances/views.py:1668
+#: instances/views.py:1667
 #, python-format
 msgid "Pool %(pool)s was not read again: %(err)s"
 msgstr "未重新读取存储池 %(pool)s：%(err)s"
 
-#: instances/views.py:1689
+#: instances/views.py:1688
 #, python-format
 msgid "Snapshot was not deleted: %(err)s"
 msgstr "快照未删除：%(err)s"
 
-#: instances/views.py:1804
+#: instances/views.py:1803
 msgid "Add at least one device to the boot order."
 msgstr "请至少向启动顺序中添加一个设备。"
 
-#: instances/views.py:1818
+#: instances/views.py:1817
 msgid "Boot order changed. It applies at the next start."
 msgstr "启动顺序已更改，将在下次启动时生效。"
 
-#: instances/views.py:1820
+#: instances/views.py:1819
 msgid "Boot order changed successfully."
 msgstr "启动顺序已成功更改。"
 
-#: instances/views.py:1840
+#: instances/views.py:1839
 msgid "The XML is empty"
 msgstr "XML 为空"
 
-#: instances/views.py:1844 instances/views.py:2469
+#: instances/views.py:1843 instances/views.py:2468
 #, python-format
 msgid "The XML is not well-formed: %(error)s"
 msgstr "XML 格式不正确：%(error)s"
 
-#: instances/views.py:1846
+#: instances/views.py:1845
 #, python-format
 msgid "The XML must keep the VM's UUID %(uuid)s."
 msgstr "XML 必须保留虚拟机的 UUID %(uuid)s。"
 
-#: instances/views.py:1850
+#: instances/views.py:1849
 msgid ""
 "The definition has changed since the editor was opened. Reload the page to "
 "edit the current one."
 msgstr "自打开编辑器以来定义已被更改。请重新加载页面以编辑当前定义。"
 
-#: instances/views.py:1862
+#: instances/views.py:1861
 msgid "The XML definition was saved."
 msgstr "XML 定义已保存。"
 
-#: instances/views.py:1864
+#: instances/views.py:1863
 msgid "The XML definition was saved; the VM uses it from its next start."
 msgstr "XML 定义已保存；虚拟机从下次启动起使用它。"
 
-#: instances/views.py:1945
+#: instances/views.py:1944
 msgid "Select one network interface to change"
 msgstr "请选择一个要更改的网络接口"
 
-#: instances/views.py:1983
+#: instances/views.py:1982
 msgid "Network Device Config is changed. Please shutdown instance to activate."
 msgstr "网络设备配置已更改。请关闭虚拟机以使其生效。"
 
-#: instances/views.py:1985
+#: instances/views.py:1984
 msgid "Network device changed"
 msgstr "网络设备已更改"
 
-#: instances/views.py:1997
+#: instances/views.py:1996
 msgid "No network selected"
 msgstr "未选择网络"
 
-#: instances/views.py:2002
+#: instances/views.py:2001
 #, python-format
 msgid "The VM already has a network device with MAC %(mac)s"
 msgstr "虚拟机已有 MAC 地址为 %(mac)s 的网络设备"
 
-#: instances/views.py:2021
+#: instances/views.py:2020
 msgid ""
 "The running VM has no free PCI slot for another network device: shut it down "
 "and add the device then; Add PCIe slots on the Disks tab gives it free ones "
@@ -5947,137 +5943,129 @@ msgid ""
 msgstr ""
 "运行中的虚拟机没有可用 PCI 插槽来添加网络设备：请关机后再添加设备。“磁盘”选项卡上的“添加 PCIe 插槽”可使其从下次启动起获得可用插槽。"
 
-#: instances/views.py:2062 instances/views.py:2068
+#: instances/views.py:2061 instances/views.py:2067
 msgid "The VM has it"
 msgstr "虚拟机已有此设备"
 
-#: instances/views.py:2099
+#: instances/views.py:2098
 #, python-format
 msgid "The host has no USB device %(device)s"
 msgstr "主机上没有 USB 设备 %(device)s"
 
-#: instances/views.py:2120
+#: instances/views.py:2119
 #, python-format
 msgid "The host has no PCI device %(device)s"
 msgstr "主机上没有 PCI 设备 %(device)s"
 
-#: instances/views.py:2138
+#: instances/views.py:2137
 #, python-format
 msgid ""
 "Removal of PCI device %(address)s requested: the guest has not let it go yet;"
 " it stays in the running VM until it does or the VM stops."
 msgstr "已请求移除 PCI 设备 %(address)s：客户机尚未释放它；在客户机释放或虚拟机停止之前，它仍保留在运行中的虚拟机中。"
 
-#: instances/views.py:2183 instances/views.py:2213
+#: instances/views.py:2182 instances/views.py:2212
 msgid "Select a network interface and a QoS direction"
 msgstr "请选择网络接口和 QoS 方向"
 
-#: instances/views.py:2186 vrtManager/network.py:459
+#: instances/views.py:2185 vrtManager/network.py:454
 msgid "QoS rates must be whole numbers"
 msgstr "QoS 速率必须为整数"
 
-#: instances/views.py:2193 networks/views.py:229
+#: instances/views.py:2192 networks/views.py:229
 #, python-format
 msgid "%(qos_dir)s QoS is set"
 msgstr "%(qos_dir)s QoS 已设置"
 
-#: instances/views.py:2198
+#: instances/views.py:2197
 #, python-format
 msgid ""
 "%(qos_dir)s QoS is set. A running VM gets it after it is powered off and on."
 msgstr "%(qos_dir)s QoS 已设置。运行中的虚拟机需关机再开机后才能生效。"
 
-#: instances/views.py:2220 networks/views.py:255
+#: instances/views.py:2219 networks/views.py:255
 #, python-format
 msgid "%(qos_dir)s QoS is deleted"
 msgstr "%(qos_dir)s QoS 已删除"
 
-#: instances/views.py:2225
+#: instances/views.py:2224
 #, python-format
 msgid ""
 "%(qos_dir)s QoS is deleted. A running VM keeps the old limit until it is "
 "powered off and on."
 msgstr "%(qos_dir)s QoS 已删除。运行中的虚拟机在关机再开机之前保留旧的限制。"
 
-#: instances/views.py:2253
+#: instances/views.py:2252
 msgid "Only one owner is allowed and the one already added"
 msgstr "只允许一个所有者，且已添加"
 
-#: instances/views.py:2255
+#: instances/views.py:2254
 #, python-format
 msgid "%(user)s is already an owner"
 msgstr "%(user)s 已是所有者"
 
-#: instances/views.py:2300
+#: instances/views.py:2299
 #, python-format
 msgid "Console settings were not saved: %(errors)s"
 msgstr "控制台设置未保存：%(errors)s"
 
-#: instances/views.py:2322
+#: instances/views.py:2321
 msgid ""
 "Error setting console password. You should check that your instance have an "
 "graphic device."
 msgstr "设置控制台密码出错。请检查虚拟机是否有图形设备。"
 
-#: instances/views.py:2369
+#: instances/views.py:2368
 msgid "Shut the VM down to change whether it is a template."
 msgstr "请关闭虚拟机以更改其是否为模板。"
 
-#: instances/views.py:2375
+#: instances/views.py:2374
 #, python-format
 msgid "%(quota)s: '%(instance_name)s' stays a template."
 msgstr "%(quota)s：“%(instance_name)s”仍为模板。"
 
-#: instances/views.py:2457
+#: instances/views.py:2456
 msgid "The XML has no name"
 msgstr "XML 中没有名称"
 
-#: instances/views.py:2471 webvirtcloud/middleware.py:126
+#: instances/views.py:2470 webvirtcloud/middleware.py:126
 #, python-format
 msgid "libvirt Error - %(exception)s"
 msgstr "libvirt 错误 - %(exception)s"
 
-#: instances/views.py:2478
+#: instances/views.py:2477
 msgid "An empty disk of the size you set"
 msgstr "按设定大小创建的空磁盘"
 
-#: instances/views.py:2479
+#: instances/views.py:2478
 msgid "Volumes already in a pool"
 msgstr "存储池中已有的卷"
 
-#: instances/views.py:2480
+#: instances/views.py:2479
 msgid "A copy of a template volume"
 msgstr "模板卷的副本"
 
-#: instances/views.py:2569
+#: instances/views.py:2568
 msgid "You haven't defined any storage pools"
 msgstr "您尚未定义任何存储池"
 
-#: instances/views.py:2571
+#: instances/views.py:2570
 msgid "You haven't defined any network pools"
 msgstr "您尚未定义任何网络池"
 
-#: instances/views.py:2634
+#: instances/views.py:2633
 msgid "Flavor Created"
 msgstr "规格已创建"
 
-#: instances/views.py:2642
+#: instances/views.py:2641
 msgid "Create Flavor"
 msgstr "创建规格"
 
-#: instances/views.py:2657
-msgid "Flavor Updated"
-msgstr "规格已更新"
-
-#: instances/views.py:2663
-msgid "Update Flavor"
-msgstr "更新规格"
-
-#: instances/views.py:2675
+#: instances/views.py:2653
 msgid "Flavor Deleted"
 msgstr "规格已删除"
 
-#: instances/views.py:2681
+#: instances/views.py:2659
 msgid "Only the size template goes; VMs made from it keep their size."
 msgstr "仅删除此规格；由它创建的虚拟机保持其大小。"
 
@@ -8427,49 +8415,49 @@ msgid ""
 "encrypted anew."
 msgstr "新值会立即替换旧值；之前用口令加密的内容不会重新加密。"
 
-#: vrtManager/connection.py:51
+#: vrtManager/connection.py:46
 msgid "Connection closed (error)"
 msgstr "连接已关闭（错误）"
 
-#: vrtManager/connection.py:52
+#: vrtManager/connection.py:47
 msgid "Connection closed (end of file)"
 msgstr "连接已关闭（文件结束）"
 
-#: vrtManager/connection.py:53
+#: vrtManager/connection.py:48
 msgid "Connection closed (keepalive timeout)"
 msgstr "连接已关闭（保活超时）"
 
-#: vrtManager/connection.py:54
+#: vrtManager/connection.py:49
 msgid "Connection closed (client closed)"
 msgstr "连接已关闭（客户端已关闭）"
 
-#: vrtManager/connection.py:147
+#: vrtManager/connection.py:142
 #, python-format
 msgid ""
 "Connection Failed: %(host)s does not answer: %(requests)s requests still wait"
 " for it"
 msgstr "连接失败：%(host)s 无响应：仍有 %(requests)s 个请求在等待它"
 
-#: vrtManager/connection.py:219
+#: vrtManager/connection.py:214
 #, python-format
 msgid "Connection Failed: %(host)s did not answer within %(seconds)s s"
 msgstr "连接失败：%(host)s 在 %(seconds)s 秒内未响应"
 
-#: vrtManager/connection.py:230
+#: vrtManager/connection.py:225
 msgid "the connection closed right after opening"
 msgstr "连接在打开后立即关闭"
 
-#: vrtManager/connection.py:243
+#: vrtManager/connection.py:238
 #, python-format
 msgid "Connection Failed: %(error)s"
 msgstr "连接失败：%(error)s"
 
-#: vrtManager/connection.py:312
+#: vrtManager/connection.py:307
 #, python-format
 msgid "Connection closed (%(reason)s)"
 msgstr "连接已关闭（%(reason)s）"
 
-#: vrtManager/connection.py:455
+#: vrtManager/connection.py:450
 #, python-format
 msgid "Connection Failed: %(host)s is not connected"
 msgstr "连接失败：%(host)s 未连接"
@@ -9035,106 +9023,106 @@ msgid ""
 "it first"
 msgstr "网络 %(net)s 运行时的地址与其保存的地址不同；请先停止再启动它"
 
-#: vrtManager/network.py:339
+#: vrtManager/network.py:334
 #, python-format
 msgid "Network %(net)s has no such address"
 msgstr "网络 %(net)s 没有此地址"
 
-#: vrtManager/network.py:344
+#: vrtManager/network.py:339
 #, python-format
 msgid "The range start %(address)s is not in %(subnet)s"
 msgstr "范围起始 %(address)s 不在 %(subnet)s 中"
 
-#: vrtManager/network.py:345
+#: vrtManager/network.py:340
 #, python-format
 msgid "The range start %(address)s is not in the network"
 msgstr "范围起始 %(address)s 不在网络中"
 
-#: vrtManager/network.py:346
+#: vrtManager/network.py:341
 #, python-format
 msgid "The range end %(address)s is not in %(subnet)s"
 msgstr "范围结束 %(address)s 不在 %(subnet)s 中"
 
-#: vrtManager/network.py:347
+#: vrtManager/network.py:342
 #, python-format
 msgid "The range end %(address)s is not in the network"
 msgstr "范围结束 %(address)s 不在网络中"
 
-#: vrtManager/network.py:348
+#: vrtManager/network.py:343
 #, python-format
 msgid "The fixed address %(address)s is not in %(subnet)s"
 msgstr "固定地址 %(address)s 不在 %(subnet)s 中"
 
-#: vrtManager/network.py:349
+#: vrtManager/network.py:344
 #, python-format
 msgid "The fixed address %(address)s is not in the network"
 msgstr "固定地址 %(address)s 不在网络中"
 
-#: vrtManager/network.py:358
+#: vrtManager/network.py:353
 #, python-format
 msgid "%(address)s is not an IP address"
 msgstr "%(address)s 不是 IP 地址"
 
-#: vrtManager/network.py:363
+#: vrtManager/network.py:358
 #, python-format
 msgid "%(address)s is the host's own address on the network"
 msgstr "%(address)s 是主机自己在该网络上的地址"
 
-#: vrtManager/network.py:369
+#: vrtManager/network.py:364
 #, python-format
 msgid "Stop network %(net)s to change its DHCP range"
 msgstr "请停止网络 %(net)s 后再更改其 DHCP 范围"
 
-#: vrtManager/network.py:373
+#: vrtManager/network.py:368
 #, python-format
 msgid "This address of network %(net)s has no DHCP range"
 msgstr "网络 %(net)s 的此地址没有 DHCP 范围"
 
-#: vrtManager/network.py:377
+#: vrtManager/network.py:372
 #, python-format
 msgid "The range starts at %(start)s, after its end %(end)s"
 msgstr "范围起始 %(start)s 在其结束 %(end)s 之后"
 
-#: vrtManager/network.py:379
+#: vrtManager/network.py:374
 #, python-format
 msgid "The range takes in %(address)s, the host's own address"
 msgstr "范围包含主机自己的地址 %(address)s"
 
-#: vrtManager/network.py:388
+#: vrtManager/network.py:383
 #, python-format
 msgid "Network %(net)s has no fixed address %(address)s"
 msgstr "网络 %(net)s 没有固定地址 %(address)s"
 
-#: vrtManager/network.py:410
+#: vrtManager/network.py:405
 #, python-format
 msgid "The fixed address %(original)s is gone meanwhile; reload the page"
 msgstr "固定地址 %(original)s 已不存在；请重新加载页面"
 
-#: vrtManager/network.py:415
+#: vrtManager/network.py:410
 #, python-format
 msgid "%(address)s is another entry's fixed address"
 msgstr "%(address)s 是另一条目的固定地址"
 
-#: vrtManager/network.py:417
+#: vrtManager/network.py:412
 #, python-format
 msgid "%(mac_duid)s has another fixed address, %(other)s"
 msgstr "%(mac_duid)s 已有另一个固定地址 %(other)s"
 
-#: vrtManager/network.py:419
+#: vrtManager/network.py:414
 #, python-format
 msgid "The name %(name)s has another fixed address, %(other)s"
 msgstr "名称 %(name)s 已有另一个固定地址 %(other)s"
 
-#: vrtManager/network.py:455
+#: vrtManager/network.py:450
 msgid "Direction must be inbound or outbound"
 msgstr "方向必须是入站或出站"
 
-#: vrtManager/network.py:482
+#: vrtManager/network.py:477
 #, python-format
 msgid "The XML must define network %(net)s"
 msgstr "XML 必须定义网络 %(net)s"
 
-#: vrtManager/network.py:484
+#: vrtManager/network.py:479
 msgid "The XML must keep the network's UUID"
 msgstr "XML 必须保留网络的 UUID"
 
@@ -9357,18 +9345,18 @@ msgid ""
 "start; detach those disks first"
 msgstr "虚拟机 %(vms)s 通过名称使用存储池 %(name)s 中的磁盘，将无法再启动；请先分离这些磁盘"
 
-#: vrtManager/storage.py:279
+#: vrtManager/storage.py:270
 #, python-format
 msgid ""
 "Volume %(name)s is in use: a VM's disk, a backing file or a snapshot's file"
 msgstr "卷 %(name)s 正在使用中：它是虚拟机的磁盘、后备文件或快照文件"
 
-#: vrtManager/util.py:145
+#: vrtManager/util.py:95
 #, python-format
 msgid "The XML is not valid: %(err)s"
 msgstr "XML 无效：%(err)s"
 
-#: vrtManager/util.py:147
+#: vrtManager/util.py:97
 msgid "The XML may not declare a DTD"
 msgstr "XML 不能声明 DTD"
 
diff --git a/networks/tests/test_network_changes.py b/networks/tests/test_network_changes.py
index 877c2bcb..aab99ff1 100644
--- a/networks/tests/test_network_changes.py
+++ b/networks/tests/test_network_changes.py
@@ -65,7 +65,7 @@ class NetworkChangeTests(SimpleTestCase):
         # the running one for its addresses, the saved one for its limits and the XML editor
         net = self.network()
         with patch.object(net.net, "XMLDesc", wraps=net.net.XMLDesc) as xml:
-            net.get_ip_networks(), net.get_network_forward(), net.get_network_mac(), net.get_qos()
+            net.get_ip_networks(), net.get_network_mac(), net.get_qos()
             net.get_bridge_device(), net.get_mode(), net.saved_xml
         self.assertEqual(xml.call_count, 2)
 
diff --git a/static/js/please_wait.js b/static/js/please_wait.js
index 39aabe6b..c70bb64e 100644
--- a/static/js/please_wait.js
+++ b/static/js/please_wait.js
@@ -6,13 +6,6 @@ function showPleaseWaitDialog() {
     pleaseModal.show();
     backgroundJobRunning = true;
 }
-function hidePleaseWaitDialog() {
-    var pleaseModal = new bootstrap.Modal(document.getElementById('pleaseWaitDialog'), {
-        keyboard: false
-    })
-    pleaseModal.hide();
-    backgroundJobRunning = false;
-}
 // a form marked data-please-wait shows the dialog while it is sent
 document.addEventListener("submit", function (event) {
     if (event.target.matches("form[data-please-wait]")) showPleaseWaitDialog();
diff --git a/vrtManager/connection.py b/vrtManager/connection.py
index 91b14684..190803b0 100644
--- a/vrtManager/connection.py
+++ b/vrtManager/connection.py
@@ -3,8 +3,6 @@ import contextlib
 import io
 import logging
 import os
-import re
-import socket
 import threading
 import time
 import uuid
@@ -23,9 +21,6 @@ CONN_SOCKET = 4
 CONN_TLS = 3
 CONN_SSH = 2
 CONN_TCP = 1
-TLS_PORT = 16514
-SSH_PORT = 22
-TCP_PORT = 16509
 
 # libvirt has no timeout for opening a connection: an unreachable host
 # blocks for the kernel's TCP connect timeout (about 2 minutes), a daemon
@@ -457,34 +452,6 @@ class wvmConnectionManager(object):
             raise util.ConnectionFailed(error["text"], **error["values"])
         return live
 
-    def host_is_up(self, conn_type, hostname, timeout=1):
-        """True if the libvirt endpoint of hostname accepts a TCP (or Unix
-        socket) connection. This is a reachability probe only: it does not
-        check credentials or libvirt itself. hostname may carry a port
-        ("host:port", "[v6]:port")."""
-        if conn_type == CONN_SOCKET:
-            sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
-            try:
-                sock.settimeout(timeout)
-                sock.connect("/var/run/libvirt/libvirt-sock")
-                return True
-            except OSError:
-                return False
-            finally:
-                sock.close()
-        default_port = {CONN_SSH: SSH_PORT, CONN_TCP: TCP_PORT, CONN_TLS: TLS_PORT}.get(conn_type)
-        if default_port is None:
-            return False
-        host, port = str(hostname), default_port
-        match = re.fullmatch(r"\[?([^\[\]]+?)\]?:(\d+)", host)
-        if match and (host.startswith("[") or host.count(":") == 1):
-            host, port = match.group(1), int(match.group(2))
-        try:
-            with socket.create_connection((host.strip("[]"), port), timeout=timeout):
-                return True
-        except OSError:
-            return False
-
 connection_manager = wvmConnectionManager(
     settings.LIBVIRT_KEEPALIVE_INTERVAL if hasattr(settings, "LIBVIRT_KEEPALIVE_INTERVAL") else 5,
     settings.LIBVIRT_KEEPALIVE_COUNT if hasattr(settings, "LIBVIRT_KEEPALIVE_COUNT") else 5,
@@ -633,12 +600,6 @@ class wvmConnect(object):
         release = ver
         return f"{major}.{minor}.{release}"
 
-    def is_kvm_supported(self):
-        """
-        :return: kvm support or not
-        """
-        return util.is_kvm_available(self.get_cap_xml())
-
     def get_storages(self, only_actives=False):
         """
         :return: list of active or all storages
@@ -776,21 +737,6 @@ class wvmConnect(object):
 
         return util.get_xml_path(self.get_cap_xml(), func=machines)
 
-    def get_emulators(self):
-        """
-        :return: host emulators list
-        """
-
-        def emulators(ctx):
-            result = {}
-            for arch in ctx.xpath("/capabilities/guest/arch"):
-                emulator = arch.xpath("emulator")
-                arch_name = arch.xpath("@name")[0]
-                result[arch_name] = emulator
-            return result
-
-        return util.get_xml_path(self.get_cap_xml(), func=emulators)
-
     def get_os_loaders(self, arch="x86_64", machine="pc"):
         """
         :param arch: architecture
@@ -922,12 +868,6 @@ class wvmConnect(object):
         """
         return ["raw", "qcow", "qcow2"]
 
-    def get_file_extensions(self):
-        """
-        :return: available image filename extensions
-        """
-        return ["img", "qcow", "qcow2"]
-
     def get_video_models(self, arch, machine):
         """
         :param arch: architecture
@@ -1105,15 +1045,6 @@ class wvmConnect(object):
     def get_network(self, net):
         return self.wvm.networkLookupByName(net)
 
-    def get_network_forward(self, net_name):
-        def get_forward(doc):
-            forward_mode = util.get_xpath(doc, "/network/forward/@mode")
-            return forward_mode or "isolated"
-
-        net = self.get_network(net_name)
-        xml = net.XMLDesc(0)
-        return util.get_xml_path(xml, func=get_forward)
-
     def get_nwfilter(self, name):
         return self.wvm.nwfilterLookupByName(name)
 
@@ -1229,18 +1160,6 @@ class wvmConnect(object):
                 paths += [v for v in (source.get("file"), source.get("dev"), source.get("name")) if v]
         return paths
 
-    def get_snapshots(self):
-        instance = []
-        for snap_id in self.wvm.listDomainsID():
-            dom = self.wvm.lookupByID(int(snap_id))
-            if dom.snapshotNum(0) != 0:
-                instance.append(dom.name())
-        for name in self.wvm.listDefinedDomains():
-            dom = self.wvm.lookupByName(name)
-            if dom.snapshotNum(0) != 0:
-                instance.append(dom.name())
-        return instance
-
     def can_change_interfaces(self):
         """Whether the host's libvirt can define interfaces: the udev backend
         only reads them. The definition sent is invalid, so nothing is
diff --git a/vrtManager/create.py b/vrtManager/create.py
index f0f4f267..727065df 100644
--- a/vrtManager/create.py
+++ b/vrtManager/create.py
@@ -60,27 +60,6 @@ def get_rbd_storage_data(stg):
 
 
 class wvmCreate(wvmConnect):
-    def get_storages_images(self):
-        """
-        Function return all images on all storages
-        """
-        images = []
-        storages = self.get_storages(only_actives=True)
-        for storage in storages:
-            stg = self.get_storage(storage)
-            with contextlib.suppress(Exception):
-                stg.refresh(0)
-            images.extend(img for img in stg.listVolumes() if not img.lower().endswith(".iso"))
-        return images
-
-    def get_os_type(self):
-        """Get guest os type"""
-        return util.get_xml_path(self.get_cap_xml(), "/capabilities/guest/os_type")
-
-    def get_host_arch(self):
-        """Get host architecture"""
-        return util.get_xml_path(self.get_cap_xml(), "/capabilities/host/cpu/arch")
-
     def create_volume(self, storage, name, size, image_format, metadata=False, disk_owner_uid=0, disk_owner_gid=0):
         size = int(size) * 1073741824
         stg = self.get_storage(storage)
diff --git a/vrtManager/network.py b/vrtManager/network.py
index 2c35e6ef..b274313b 100644
--- a/vrtManager/network.py
+++ b/vrtManager/network.py
@@ -326,11 +326,6 @@ class wvmNetwork(wvmConnect):
     def get_network_mac(self):
         return self.tree.xpath("string(mac/@address)")
 
-    def get_network_forward(self):
-        """Its forward mode (None: isolated) and the device it forwards through."""
-        forward = self.tree.find("forward")
-        return [forward.get("mode"), forward.get("dev")] if forward is not None else [None, None]
-
     def _ip(self, index):
         """The saved <ip> of that index, and what ip_networks tells of it."""
         tree = self.config()
diff --git a/vrtManager/storage.py b/vrtManager/storage.py
index 81d76faf..b41a2bb2 100644
--- a/vrtManager/storage.py
+++ b/vrtManager/storage.py
@@ -253,15 +253,6 @@ class wvmStorage(wvmConnect):
 
         return util.get_xml_path(self._XMLDesc(0), func=hosts)
 
-    def get_pretty_allocation(self):
-        return util.pretty_bytes(self.get_allocation())
-
-    def get_pretty_available(self):
-        return util.pretty_bytes(self.get_available())
-
-    def get_pretty_capacity(self):
-        return util.pretty_bytes(self.get_capacity())
-
     def get_volumes(self):
         return self.pool.listVolumes()
 
diff --git a/vrtManager/tests/test_connection.py b/vrtManager/tests/test_connection.py
index daec0f5c..ebbb6cb2 100644
--- a/vrtManager/tests/test_connection.py
+++ b/vrtManager/tests/test_connection.py
@@ -2,7 +2,6 @@
 
 import contextlib
 import os
-import socket
 import subprocess
 import sys
 import threading
@@ -21,29 +20,6 @@ from vrtManager import connection
 from vrtManager.connection import CONN_SSH, CONN_TCP, SSH_COMMAND, wvmConnectionManager
 
 
-def closed_port():
-    sock = socket.socket()
-    sock.bind(("127.0.0.1", 0))
-    port = sock.getsockname()[1]
-    sock.close()
-    return port
-
-
-class HostIsUpTestCase(unittest.TestCase):
-    def setUp(self):
-        self.manager = wvmConnectionManager.__new__(wvmConnectionManager)
-
-    def test_reachable_host_is_true(self):
-        server = socket.socket()
-        server.bind(("127.0.0.1", 0))
-        server.listen(1)
-        self.addCleanup(server.close)
-        self.assertIs(self.manager.host_is_up(CONN_TCP, f"127.0.0.1:{server.getsockname()[1]}"), True)
-
-    def test_unreachable_host_is_false_not_an_exception(self):
-        self.assertIs(self.manager.host_is_up(CONN_TCP, f"127.0.0.1:{closed_port()}"), False)
-
-
 class ConnectionManagerTestCase(unittest.TestCase):
     def setUp(self):
         patcher = patch("vrtManager.connection.wvmEventLoop")
diff --git a/vrtManager/tests/test_util.py b/vrtManager/tests/test_util.py
index f53973f8..67077761 100644
--- a/vrtManager/tests/test_util.py
+++ b/vrtManager/tests/test_util.py
@@ -6,16 +6,10 @@ if not settings.configured:
     settings.configure(MAC_OUI="52:54:10")
 
 from vrtManager.util import (
-    compareMAC,
     get_xml_path,
-    is_kvm_available,
-    pretty_bytes,
-    pretty_mem,
-    randomMAC,
     randomPasswd,
     randomUUID,
     validate_macaddr,
-    validate_uuid,
     vol_dev_type,
     vol_driver_type,
     xml_escape,
@@ -31,38 +25,6 @@ class TestVrtManagerUtil(unittest.TestCase):
         # Ensure successive UUIDs are distinct
         self.assertNotEqual(uuid_str, randomUUID())
 
-    def test_validate_uuid(self):
-        valid_dashed = "c9a646d3-9c61-4cd8-8024-f6b72a6642d9"
-        self.assertEqual(validate_uuid(valid_dashed), valid_dashed)
-
-        valid_no_dash = "c9a646d39c614cd88024f6b72a6642d9"
-        self.assertEqual(validate_uuid(valid_no_dash), valid_dashed)
-
-        with self.assertRaises(ValueError):
-            validate_uuid("invalid-uuid-too-short")
-
-        with self.assertRaises(ValueError):
-            validate_uuid(12345)
-
-    def test_random_mac(self):
-        mac = randomMAC()
-        self.assertTrue(mac.startswith("52:54:10:"))
-        parts = mac.split(":")
-        self.assertEqual(len(parts), 6)
-        for part in parts:
-            self.assertEqual(len(part), 2)
-            int(part, 16)  # valid hex
-
-    def test_compare_mac(self):
-        mac1 = "52:54:10:00:00:01"
-        mac2 = "52:54:10:00:00:02"
-        self.assertEqual(compareMAC(mac1, mac1), 0)
-        self.assertEqual(compareMAC(mac1, mac2), -1)
-        self.assertEqual(compareMAC(mac2, mac1), 1)
-        # Different lengths
-        self.assertEqual(compareMAC("52:54", "52:54:10"), -1)
-        self.assertEqual(compareMAC("52:54:10", "52:54"), 1)
-
     def test_validate_macaddr(self):
         self.assertIsNone(validate_macaddr(None))
         self.assertIsNone(validate_macaddr("52:54:10:aa:bb:cc"))
@@ -103,23 +65,6 @@ class TestVrtManagerUtil(unittest.TestCase):
         with self.assertRaises(ValueError):
             get_xml_path(xml)
 
-    def test_is_kvm_available(self):
-        kvm_xml = "<capabilities><guest><arch name='x86_64'><domain type='kvm'/></arch></guest></capabilities>"
-        qemu_xml = "<capabilities><guest><arch name='x86_64'><domain type='qemu'/></arch></guest></capabilities>"
-        self.assertTrue(is_kvm_available(kvm_xml))
-        self.assertFalse(is_kvm_available(qemu_xml))
-
-    def test_pretty_mem(self):
-        # Value in KB
-        self.assertEqual(pretty_mem(1024), " 1 MB")
-        self.assertEqual(pretty_mem(1024 * 1024), "1024 MB")
-        self.assertEqual(pretty_mem(16 * 1024 * 1024), "16.00 GB")
-
-    def test_pretty_bytes(self):
-        # Value in Bytes
-        self.assertEqual(pretty_bytes(10 * 1024 * 1024), "10.00 MB")
-        self.assertEqual(pretty_bytes(2 * 1024 * 1024 * 1024), "2.00 GB")
-
     def test_vol_dev_type(self):
         self.assertEqual(vol_dev_type("ide"), "hd")
         self.assertEqual(vol_dev_type("fdc"), "fd")
diff --git a/vrtManager/util.py b/vrtManager/util.py
index 8fd232d4..acb26262 100644
--- a/vrtManager/util.py
+++ b/vrtManager/util.py
@@ -1,6 +1,5 @@
 from django.utils.translation import gettext_noop
 import ipaddress
-import random
 import secrets
 import re
 import string
@@ -8,7 +7,6 @@ import string
 import libvirt
 import lxml.etree as etree
 
-from django.conf import settings
 from django.utils.translation import gettext
 
 
@@ -61,22 +59,6 @@ class HostBusy(ConnectionFailed):
     (HOST_REQUESTS) still wait for its answers."""
 
 
-def is_kvm_available(xml):
-    kvm_domains = get_xml_path(xml, "//domain/@type='kvm'")
-    return kvm_domains > 0
-
-
-def randomMAC():
-    """Generate a random MAC address."""
-    # qemu MAC
-    mac = settings.MAC_OUI + ":%02x:%02x:%02x" % (
-        random.randint(0x00, 0xFF),
-        random.randint(0x00, 0xFF),
-        random.randint(0x00, 0xFF),
-    )
-    return mac
-
-
 def randomUUID():
     """Generate a random UUID."""
     u = [secrets.randbelow(256) for _ in range(16)]
@@ -90,18 +72,6 @@ def randomPasswd(length=12, alphabet=string.ascii_letters + string.digits):
     return "".join([secrets.choice(alphabet) for _ in range(length)])
 
 
-def get_max_vcpus(conn, guest_type=None):
-    """@param conn: libvirt connection to poll for max possible vcpus
-    @param guest_type: optional guest type (kvm, etc.)"""
-    if type is None:
-        guest_type = conn.getType()
-    try:
-        m = conn.getMaxVcpus(guest_type.lower())
-    except libvirt.libvirtError:
-        m = 32
-    return m
-
-
 def xml_escape(xml_str):
     """Replaces chars ' " < > & with xml safe counterparts"""
     if xml_str is None:
@@ -115,26 +85,6 @@ def xml_escape(xml_str):
     return xml_str
 
 
-def compareMAC(p, q):
-    """Compare two MAC addresses"""
-    pa = p.split(":")
-    qa = q.split(":")
-
-    if len(pa) != len(qa):
-        if p > q:
-            return 1
-        else:
-            return -1
-
-    for i in range(len(pa)):
-        n = int(pa[i], 0x10) - int(qa[i], 0x10)
-        if n > 0:
-            return 1
-        elif n < 0:
-            return -1
-    return 0
-
-
 def parse_xml(xml):
     """XML a user entered, read for the panel's checks: its entities not
     expanded, nothing fetched and no DTD; libvirt gets the text itself."""
@@ -181,41 +131,6 @@ def get_xpath(doc, path):
     return result
 
 
-def pretty_mem(val):
-    val = int(val)
-    if val > (10 * 1024 * 1024):
-        return "%2.2f GB" % (val / (1024.0 * 1024.0))
-    else:
-        return "%2.0f MB" % (val / 1024.0)
-
-
-def pretty_bytes(val):
-    val = int(val)
-    if val > (1024 * 1024 * 1024):
-        return "%2.2f GB" % (val / (1024.0 * 1024.0 * 1024.0))
-    else:
-        return "%2.2f MB" % (val / (1024.0 * 1024.0))
-
-
-def validate_uuid(val):
-    if not isinstance(val, str):
-        raise ValueError("UUID must be a string.")
-
-    form = re.match("[a-fA-F0-9]{8}[-]([a-fA-F0-9]{4}[-]){3}[a-fA-F0-9]{12}$", val)
-    if form is None:
-        form = re.match("[a-fA-F0-9]{32}$", val)
-        if form is None:
-            raise ValueError(
-                "UUID must be a 32-digit hexadecimal number. It may take "
-                "the form xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx or may "
-                "omit hyphens altogether."
-            )
-
-        else:  # UUID had no dashes, so add them in
-            val = val[0:8] + "-" + val[8:12] + "-" + val[12:16] + "-" + val[16:20] + "-" + val[20:32]
-    return val
-
-
 def validate_macaddr(val):
     if val is None:
         return
diff --git a/webvirtcloud/common_tags.py b/webvirtcloud/common_tags.py
index d9f97044..8f30ce60 100644
--- a/webvirtcloud/common_tags.py
+++ b/webvirtcloud/common_tags.py
@@ -24,6 +24,3 @@ def class_active(request, pattern):
     return "active" if re.search(pattern, request.path) else ""
 
 
-@register.simple_tag
-def has_perm(user, permission_codename):
-    return bool(user.has_perm(permission_codename))
diff --git a/webvirtcloud/settings.py.template b/webvirtcloud/settings.py.template
index 209ad568..7d422e87 100644
--- a/webvirtcloud/settings.py.template
+++ b/webvirtcloud/settings.py.template
@@ -355,7 +355,6 @@ QEMU_KEYMAPS = [
 LIBVIRT_KEEPALIVE_INTERVAL = 5
 LIBVIRT_KEEPALIVE_COUNT = 5
 
-ALLOW_EMPTY_PASSWORD = False
 NEW_USER_DEFAULT_INSTANCES = []
 # Days the owners of a VM that vanished from its compute are kept, in case it comes back
 INSTANCE_OWNERSHIP_RETENTION_DAYS = 30