[Unit]Description=Control Group rules service# The service should be able to start as soon as possible,# before any 'normal' services:DefaultDependencies=noConflicts=shutdown.targetBefore=basic.target shutdown.targetAfter=cgconfig.service[Service]Type=simpleExecStart=/usr/sbin/cgrulesengd -n -f -[Install]WantedBy=sysinit.target