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#!/bin/bash
set +e # Not all of these exist on every platform
# This is intended to be executed on VMs as a startup script on initial-boot.
# Alternatively, it may be executed with the '--list' option to return the list
# of systemd units defined for disablement (useful for testing).
EVIL_UNITS="cron crond atd apt-daily-upgrade apt-daily fstrim motd-news systemd-tmpfiles-clean"
if [[ "$1" == "--list" ]]
then
echo "$EVIL_UNITS"
exit 0
fi
echo "Disabling periodic services that could destabilize testing:"
for unit in $EVIL_UNITS
do
echo "Banishing $unit (ignoring errors)"
(
sudo systemctl stop $unit
sudo systemctl disable $unit
sudo systemctl disable $unit.timer
sudo systemctl mask $unit
sudo systemctl mask $unit.timer
) &> /dev/null
done
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