Changing Run Levels
On production environment normal run level 3 is used and it get rarely changed.
Runlevel and usage:
#who -r or #runlevel
Change run level using:-
#telinit 5 or
open file
#emacs /etc/inittab
Look for the default runlevel called initdefault which look like as follows:
id:3:initdefault:
Replace run level x with y (where x is current run level and y you want to set).
Set services in run level using :
#ntsysv or
#chkconfig or
#serviceconf
Runlevel and usage:
- 0 — Halt
- 1 — Single-user mode
- 2 — Not used (user-definable)
- 3 — Full multi-user mode
- 4 — Not used (user-definable)
- 5 — Full multi-user mode (with an X-based login screen)
- 6 — Reboot
#who -r or #runlevel
Change run level using:-
#telinit 5 or
open file
#emacs /etc/inittab
Look for the default runlevel called initdefault which look like as follows:
id:3:initdefault:
Replace run level x with y (where x is current run level and y you want to set).
Set services in run level using :
#ntsysv or
#chkconfig or
#serviceconf
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