[Unit] Description=Test CAP_SYS_RAWIO capability for PrivateDevices=yes [Service] PrivateDevices=yes # sed: remove dropped (cap_xxx-[epi]) and IAB capabilities from the output ExecStart=/bin/sh -x -c '! capsh --print | sed -re "s/[^ ]+?\-[epi]+//g" -e '/IAB/d' | grep cap_sys_rawio' Type=oneshot