Edit file File name : dm-event.socket Content :[Unit] Description=Device-mapper event daemon FIFOs Documentation=man:dmeventd(8) DefaultDependencies=no [Socket] ListenFIFO=/run/dmeventd-server ListenFIFO=/run/dmeventd-client SocketMode=0600 RemoveOnStop=true [Install] WantedBy=sockets.target Save