1[Unit] 2Description=Remove Stale Online ext4 Metadata Check Snapshots 3 4[Service] 5Type=oneshot 6WorkingDirectory=/ 7PrivateNetwork=true 8ProtectSystem=true 9ProtectHome=read-only 10PrivateTmp=yes 11AmbientCapabilities=CAP_SYS_ADMIN CAP_SYS_RAWIO 12NoNewPrivileges=yes 13User=root 14IOSchedulingClass=idle 15CPUSchedulingPolicy=idle 16ExecStart=@root_sbindir@/e2scrub_all -A -r 17SyslogIdentifier=%N 18RemainAfterExit=no 19 20[Install] 21WantedBy=default.target 22