Configuring Proxmox VE node as client for remote NUT server

Network UPS Tools User Manual

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apt-get install nut

• Edit /etc/nut/nut.conf:

MODE=netclient

• Edit /etc/nut/upsmon.conf: MONITOR <system> <powervalue> <username> <password> ("master"|"slave"):

MONITOR ups@10.2.0.2 1 upsmon password slave

• Start monitoring:

upsmon start

• To check UPS status: upsc <name> for direct attached units or upsc <name>@<address> for remote

upsc ups@10.2.0.2

add AT commands for shutdown based on events

• Edit /etc/nut/upssched.conf:

AT COMMBAD * EXECUTE commbad
AT COMMOK * EXECUTE commok
AT NOCOMM * EXECUTE nocomm
AT ONBATT * EXECUTE powerout
AT ONBATT * START-TIMER shutdownnow 240
AT LOWBATT * EXECUTE shutdowncritical
AT ONLINE * CANCEL-TIMER shutdownnow
AT ONLINE * EXECUTE powerup

• Edit /bin/upssched-cmd:

case $1 in
        commbad)
                /bin/echo "UPS communications failure on `date`."
                /usr/bin/wall "UPS communications failure."
                ;;
        commok)
                /bin/echo "UPS communications restored on `date`."
                /usr/bin/wall "UPS communications restored."
                ;;
        nocomm)
                /bin/echo "UPS communications cannot be established on `date`."
                /usr/bin/wall "UPS communications cannot be established."
                ;;
        powerout)
                /bin/echo "Power failure on `date`."
                /usr/bin/wall "UPS on battery. Shutdown in 240 seconds...."
                ;;
        shutdownnow)
                /bin/echo "UPS has been on battery for 240 seconds. Starting orderly shutdown on `date`."
                /usr/bin/wall "UPS has been on battery for 240 seconds. Shutting down NOW!!!!"
                /sbin/shutdown -p +0
                ;;
        shutdowncritical)
                /bin/echo "UPS battery level CRITICAL. Starting EMERGENCY shutdown on `date`."
                /usr/bin/wall "UPS battery level CRITICAL. Shutting down NOW!!!!"
                /sbin/shutdown -h +0
                ;;
        powerup)
                /bin/echo "Power restored on `date`."
                /usr/bin/wall "UPS on line. Shutdown aborted."
                ;;
        upsgone)
                logger -t upssched-cmd "The UPS has been gone for awhile"
                ;;
        *)
                logger -t upssched-cmd "Unrecognized command: $1"
                ;;
esac

• Reload upsmon:

# upsmon -c reload