prerm is in systemd-coredump 229-4ubuntu4.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | #!/bin/sh
set -e
if [ "$1" = remove ]; then
# disable systemd-coredump on removal
if [ -w /proc/sys/kernel/core_pattern ] && grep -q '^|.*systemd-coredump' /proc/sys/kernel/core_pattern; then
echo core > /proc/sys/kernel/core_pattern
fi
if [ -d /run/systemd/system ]; then
systemctl stop systemd-coredump.socket || true
fi
fi
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