diff --git a/datasource/views.py b/datasource/views.py
index d23d99a..163ecb5 100644
--- a/datasource/views.py
+++ b/datasource/views.py
@@ -7,13 +7,15 @@ from libvirt import libvirtError
 import json
 import socket
 
-OS_VERSIONS = [ 'latest', '' ]
+OS_VERSIONS = ['latest', '']
 OS_UUID = "iid-dswebvirtcloud"
 
+
 def os_index(request):
     response = '\n'.join(OS_VERSIONS)
     return HttpResponse(response)
 
+
 def os_metadata_json(request, version):
     """
     :param request:
@@ -27,9 +29,10 @@ def os_metadata_json(request, version):
         response = { 'uuid': OS_UUID, 'hostname': hostname }
         return HttpResponse(json.dumps(response))
     else:
-        err = 'Invalid version: %s' % version
+        err = 'Invalid version: {}'.format(version)
         raise Http404(err)
 
+
 def os_userdata(request, version):
     """
     :param request:
@@ -51,9 +54,10 @@ def os_userdata(request, version):
 
         return render(request, 'user_data', locals())
     else:
-        err = 'Invalid version: %s' % version
+        err = 'Invalid version: {}'.format(version)
         raise Http404(err)
 
+
 def get_client_ip(request):
     x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
     if x_forwarded_for:
@@ -62,10 +66,15 @@ def get_client_ip(request):
         ip = request.META.get('REMOTE_ADDR')
     return ip
 
+
 def get_hostname_by_ip(ip):
-    addrs = socket.gethostbyaddr(ip)
+    try:
+        addrs = socket.gethostbyaddr(ip)
+    except Exception:
+        addrs = [ip,]
     return addrs[0]
 
+
 def get_vdi_url(request, vname):
     instance = Instance.objects.get(name=vname)
     compute = instance.compute
diff --git a/instances/templates/instance.html b/instances/templates/instance.html
index 7a9be1e..ba5c891 100644
--- a/instances/templates/instance.html
+++ b/instances/templates/instance.html
@@ -321,7 +321,12 @@
                                             {% ifequal status 1 %}
                                             <div role="tabpanel" class="tab-pane tab-pane-bordered" id="vdiconsole">
                                                     <p>{% trans "This action opens a remote viewer with a connection to the console of the instance." %}</p>
-                                                    <a href="#" class="btn btn-lg btn-success pull-right" id="vdi_url" >{% trans "VDI" %}</a>
+                                                <div class="input-group">
+                                                    <input type="text" class="input-lg disabled form-control" disabled id="vdi_url_input"/>
+                                                    <span class="input-group-btn">
+                                                        <a href="#" class="btn btn-lg btn-success" id="vdi_url" >{% trans "VDI" %}</a>
+                                                    </span>
+                                                </div>
                                                 <div class="clearfix"></div>
                                             </div>
                                             {% endifequal %}
@@ -560,7 +565,7 @@
                                                                             <form action="" method="post" style="height:10px" role="form">{% csrf_token %}
                                                                                 <input type="hidden" name="name" value="{{ snap.name }}">
                                                                                 {% ifequal status 5 %}
-                                                                                    <button type="submit" class="btn btn-sm btn-default" name="revert_snapshot" onclick="return confirm('Are you sure?')">
+                                                                                    <button type="submit" class="btn btn-sm btn-default" name="revert_snapshot" title="Revert to this Snapshot" onclick="return confirm('Are you sure?')">
                                                                                         <span class="glyphicon glyphicon-save"></span>
                                                                                     </button>
                                                                                 {% else %}
@@ -573,7 +578,7 @@
                                                                         <td style="width:30px;">
                                                                             <form action="" method="post" role="form">{% csrf_token %}
                                                                                 <input type="hidden" name="name" value="{{ snap.name }}">
-                                                                                <button type="submit" class="btn btn-sm btn-default" name="delete_snapshot" onclick="return confirm('{% trans "Are you sure?" %}')">
+                                                                                <button type="submit" class="btn btn-sm btn-default" name="delete_snapshot" title="Delete Snapshot" onclick="return confirm('{% trans "Are you sure?" %}')">
                                                                                     <span class="glyphicon glyphicon-trash"></span>
                                                                                 </button>
                                                                             </form>
@@ -1337,6 +1342,7 @@
     $(document).ready(function () {
         // set vdi url
         $.get("/datasource/vdi/{{ vname }}/", function(data) {
+            $("#vdi_url_input").attr("value", data);
             $("#vdi_url").attr("href", data);
         });
     });