The utility in question in shutdown. In this tutorial, we will discuss the basics of this tool using some easy to understand examples. But before we do that, it's worth mentioning that all examples here have been tested on Ubuntu 16.04 LTS. Linux shutdown command. The shutdown command lets you power-off, halt, or reboot your system.
Nov 16, 2019 Linux Graceful Shutdown - Server Fault shutdown -h now will call /etc/rc.d/rc or /etc/init.d/rc.The rc script will call the kill scripts for the new runlevel (0 for -h, 6 for -r), followed by any start scripts.. You'll see S30killprocs or S00killall or something like that depending on your distro. This comes after all the kill scripts have been called to attempt to stop each service gracefully in turn. [SOLVED] Trying to make Ubuntu 18.04 shutdown on power button. Aug 14, 2018 Computer Reboots instead of Shutdown on Ubuntu 12.04
Ubuntu version history - Wikipedia
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3 Ways to Shut Down/Power Off your Ubuntu system
For Ubuntu 15.04 and later. This is due to Ubuntu's shift in using systemd instead of Upstart. systemctl poweroff systemctl reboot systemctl suspend systemctl hibernate systemctl hybrid-sleep Since hibernate is normally disabled by default in Ubuntu systems, you can enable this by checking this answer. For Ubuntu 14.10 or earlier. Shutdown: How to Shut Down Ubuntu - VITUX Apr 30, 2020 Ubuntu Manpage: shutdown - bring the system down Once TIME has elapsed, shutdown sends a request to the init(8) daemon to bring the system down into the appropriate runlevel. This is performed by emitting the runlevel (7) event, which includes the new runlevel in the RUNLEVEL environment variable as well as the previous runlevel (obtained from the environment or from /var/run/utmp ) in the How to Shutdown Ubuntu Linux [Quick Tip] - It's FOSS Jan 18, 2020