Prevent apcupsd shutting down the OS

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If you have an APC UPS you may not, for whatever reason, want the OS to trigger a shutdown. The ‘apcupsd’ package will call shutdown whenever the battery capacity is reported too low. To prevent this, just edit the following file.

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Edit /etc/apcupsd/apccontrol with your favourite editor. You should see something like this:

APCPID=/var/run/apcupsd.pid
APCUPSD=/sbin/apcupsd
SHUTDOWN=/sbin/shutdown
SCRIPTSHELL=/bin/sh
SCRIPTDIR=/etc/apcupsd
WALL=wall

All you need to do is comment out the ‘WALL’ & ‘SHUTDOWN’ lines:

# SHUTDOWN=/sbin/shutdown
# WALL=wall

That should be all that’s required.