[Unit] Description=Daemon for generating UUIDs Documentation=man:uuidd(8) Requires=uuidd.socket [Service] ExecStart=/usr/sbin/uuidd --socket-activation Restart=no User=uuidd Group=uuidd ProtectSystem=strict ProtectHome=yes PrivateDevices=yes PrivateUsers=yes ProtectKernelTunables=yes ProtectKernelModules=yes ProtectControlGroups=yes MemoryDenyWriteExecute=yes ReadWritePaths=/var/lib/libuuid/ SystemCallFilter=@default @file-system @basic-io @system-service @signal @io-event @network-io [Install] Also=uuidd.socket