How to Shutdown Redhat Linux over SSH with messages in specific time:
#sudo shutdown --poweroff +10 "Poweroff the machine"
Shutdown --poweroff : For Shutdown of the machine.
+10: To schedule the Shut down the machine after 10 minutes.
"Poweroff the machine": Show the message your want during the Shut down.
For more details: https://access.redhat.com/documentati...