[Unit] Description=Test for RuntimeDirectory owner (must not be the default group of the user if Group is set) [Service] ExecStart=/bin/sh -c 'f=/tmp/test-exec_runtimedirectory-owner;g=$(stat -c %G $f); echo "$g"; exit $(test $g = "nobody")' Type=oneshot Group=nobody User=root RuntimeDirectory=test-exec_runtimedirectory-owner