SCREENSHOT 1) Use “systemctl edit” to edit a copy of the systemd override unit file. do not insert anything at the end of the comments or below the second red line comments –“### Lines below this comment will be discarded”. This temporary override file includes asystemdunit fil...
19.How to active, enable or disable a mount point at boot time (auto mount at system boot). #systemctl is-active tmp.mount#systemctl enable tmp.mount#systemctl disable tmp.mount 20.How to mask (making it impossible to start) or unmask a mount point in Linux. #systemctl mask tmp.mou...