Linux Reboot and Shutdown

• Linux
• Rhcsa
• Reboot
• Shutdown
• Bash
• Note

Feb 2, 2016

Simple system reboot and shutdown commands in linux.

Reboot the system

reboot
systemctl reboot
shutdown -r now
init 6
telinit 6

Shutdown

halt
sytemctl halt
shudown -h now
init 0
telinit 0

Poweroff

poweroff
systemctl poweroff

Suspend

systemctl suspend

Hibernation and suspend

systemctl supend

Boot system manually

The default run level was set in the /etc/inittab file.

1. single: maintenance level,
2. level without network resources (NFS, etc),
3. multi-user level without graphical interface,
4. multi-user level with graphical interface.

To get the current run level with the old way, type:

runlevel

Other

1. systemctl rescue: to move to single user mode/maintenance level with mounted local file systems,
2. systemctl emergency: to move to single user mode/maintenance with only /root mounted file system,
3. systemctl isolate multi-user.target: to move to multi-user level without graphical interface (equivalent to previous run level 3),
4. systemctl isolate graphical.target: to move to multi-user level with graphical interface (equivalent to previous run level 5),
5. systemctl set-default graphical.target: to set the default run level to multi-user graphical mode,
6. systemctl get-default: to get the default run level.