listen for a notification NAME LISTEN - listen for a notification SYNOPSIS LISTEN channel DESCRIPTION LISTEN registers the current session as a listener on the notification channel…in-kernel key management and retention facility NAME keyrings - in-kernel key management and retention facility DESCRIPTION The Linux key-management facility is primarily a way for…Index of configuration directives NAME systemd.directives - Index of configuration directives UNIT DIRECTIVES Directives for configuring units, used in unit files. Accept= systemd.…