How do I changing run levels 3 to 5?
Default run level is defined in /etc/inittab file. In order to change Linux runlevel from 3 to 5, you need to modify this file. Please follow the instructions outlined below:
1) Login as root user
2) Open /etc/inittab file using vi text editor or gedit GUI text editor
# vi /etc/inittab
OR
Open terminal command line and type following command
# gedit /etc/inittab
3) Look for the default runlevel called initdefault which look like as follows:
id:3:initdefault:
Please note that an initdefault entry specifies the runlevel which, should be entered after system boot. If none exists, init will ask for a runlevel on the console. The process field is ignored. Note number 3 in above line defines default runlevel.
4) Replace runlevel 3 to 5:
From:
id:3:initdefault:
To:
id:5:initdefault:
5) Save the changes
6) Reboot linux to take effect. Next time Linux will boot into X windows GUI (KDE or Gnome)
