Quiet down Jenkins, in preparation for a restart. Don’t start any builds.
Command
java -jar jenkins-cli.jar -s https://jenkins.garasiku.autos/ quiet-down [-block] [-reason VAL] [-timeout N]
-block : Block until the system really quiets down and no builds are
running (default: false)
-reason VAL : Reason for quiet down that will be visible to users
-timeout N : If non-zero, only block up to the specified number of
milliseconds (default: 0)