/etc/apcupsd/commfailure is in apcupsd 3.14.14-0.3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | #!/bin/sh
#
# This shell script if placed in /etc/apcupsd
# will be called by /etc/apcupsd/apccontrol when apcupsd
# loses contact with the UPS (i.e. the serial connection is not responding).
# We send an email message to root to notify him.
#
HOSTNAME=`hostname`
MSG="$HOSTNAME Communications with UPS $1 lost"
#
(
echo "$MSG"
) | $APCUPSD_MAIL -s "$MSG" $SYSADMIN
exit 0
|