CentOS7.1 runlevel

In most linux releases, there are usually eight

In most linux releases, there are usually eight runlevels

Runlevel System State
0 Halt the system
1 Single user mode
2 Basic multi user mode
3 Multi user mode
5 Multi user mode with GUI
6 Reboot the system
S, s Single user mode

 

You can view it in the/etc/inittab file.

 

[Root @ wode003 ~] # Cat/etc/inittab

-Bash: cat/etc/inittab: no file or directory

[Root @ wode003 ~] # Cat/etc/inittab

# Inittab is no longer used when using systemd.

#

# Adding configuration here will have no effect on your system.

#

# Ctrl-Alt-Delete is handled by/usr/lib/systemd/system/ctrl-alt-del.target

#

# Define EMD uses 'targets' instead of runlevels. By default, there are two main targets:

#

# Multi-user.target: analogous to runlevel 3

# Graphical.tar get: analogous to runlevel 5

#

# To view current default target, run:

# Systemctl get-default

#

# To set a default target, run:

# Systemctl set-default TARGET.tar get

#

 

// Get-default

 

[Root @ wode003 ~] # Systemctl get-default

Graphical.tar get

 

// Set-default

 

[Root @ wode003 ~] # Systemctl set-default multi-user.target

Rm '/etc/systemd/system/default.tar get'

Ln-s '/usr/lib/systemd/system/multi-user.target'/etc/systemd/system/default.tar get'

[Root @ wode003 ~] # Systemctl get-default

Multi-user.target

[Root @ wode003 ~] #