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I need help restarting/shutting down from the root command line, any commands I could use? I don't like hard resetting

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3 Answers 3

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shutdown -r now

would do restart.

shutdown -h now 

will halt/shutdown the system.

In Ubuntu's case, you can use reboot or halt, etc. They all invoke the shutdown command.

man reboot 

may help.

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  • 2
    "poweroff" works too to shutdown w/o reboot ;)
    – Rinzwind
    Mar 30, 2015 at 14:21
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For shutting down:

sudo poweroff

(It immediately stops all the processes and shuts down the computer.)

For restarting:

sudo reboot

Edit: Once you are already running as a root you needn't type sudo.

See here for more options:

http://www.cyberciti.biz/faq/howto-reboot-linux/

http://www.cyberciti.biz/faq/howto-reboot-linux/

http://archive.oreilly.com/linux/cmd/cmd.csp?path=p/poweroff

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  • The OP mentioned that he is already inside a root shell, so no sudo is required. Otherwise your answer is ok, except that you could add a bit additional explanations what those commands do... (because it appeared in the Low-Quality review queue because of its length)
    – Byte Commander
    Mar 30, 2015 at 15:16
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The answer for shutting down has already been given. You can reboot the system with

# reboot