96 lines
2.7 KiB
Text
96 lines
2.7 KiB
Text
UPSCMD(8)
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=========
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NAME
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----
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upscmd - UPS administration program for instant commands
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SYNOPSIS
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--------
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*upscmd* -h
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*upscmd* -l 'ups'
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*upscmd* [-u 'username'] [-p 'password'] 'ups' 'command'
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DESCRIPTION
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-----------
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*upscmd* allows you to invoke "instant commands" in your UPS hardware.
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Not all hardware supports this, so check the list with -l to see if anything
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will work on your equipment.
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On hardware that supports it, you can use this program to start and stop
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battery tests, invoke a front panel test (beep!), turn the load on or off,
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and more.
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OPTIONS
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-------
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*-h*::
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Display the help message.
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*-l* 'ups'::
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Show the list of supported instant commands on that UPS. Some hardware
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may not support any of them.
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*-u* 'username'::
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Set the username for the connection to the server. This is optional, and
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you will be prompted for this when invoking a command if -u is not used.
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*-p* 'password'::
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Set the password to authenticate to the server. This is also optional
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like -u, and you will be prompted for it if necessary.
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'ups'::
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Connect to this UPS. The format is `upsname[@hostname[:port]]`. The default
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hostname is "localhost".
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UNATTENDED MODE
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---------------
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If you run this program inside a shell script or similar to invoke
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a command, you will need to specify all of the information on the command
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line. This means using -u and -p. Otherwise it will put up a prompt and
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your program will hang.
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This is not necessary when displaying the list, as the username and
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password are not required for read-only mode.
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DANGEROUS COMMANDS
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------------------
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Some drivers like linkman:apcsmart[8] have built-in paranoia for the
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dangerous commands like `load.off`. To make them actually turn off the
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load, you will have to send the command twice within a short window.
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That is, you will have to send it once, then send it again after 3
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seconds elapse but before 15 seconds pass.
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This paranoia is entirely defined within the driver. upsd and upscmd have
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no control over the timing.
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DIAGNOSTICS
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-----------
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upscmd won't work unless you provide a valid username and password. If
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you get "access denied" errors, make sure that your linkman:upsd.users[5] has
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an entry for you, and that the username you are using has permissions to
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SET variables.
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BUGS
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----
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There is currently no way to tell the user when the driver requires
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confirmation to invoke a command such as `load.off`. Similarly, there is
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not yet a way to tell the user if a command succeeds or fails.
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This is on the list of things to fix in the future, so don't despair.
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It involves magic cookies.
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SEE ALSO
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--------
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linkman:upsd[8], linkman:upsrw[8]
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INTERNET RESOURCES
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------------------
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The NUT (Network UPS Tools) home page: http://www.networkupstools.org/
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