Ubuntu: How do you change default runlevels without inittab?
Jonathan Hutchins
hutchins at tarcanfel.org
Mon Jul 16 22:31:08 CDT 2007
On Monday 16 July 2007 06:08:50 pm Jack wrote:
> "modern" debian based distros runlevel 2-5 are
> identical "out of the box". I believe that it
> defaults to runlevel 2. So I'm surprised that you're
> actually in runlevel 5. Are you sure of this?
On a real SysV system, level 5 would be the GUI+networking level, so when one
sees a fully on-line GUI on Linux, one assumes it's in runlevel 5. Here's
the standard table:
# 0 - halt (Do NOT set initdefault to this)
# 1 - Single user mode
# 2 - Multiuser, without NFS (The same as 3, if you do not have networking)
# 3 - Full multiuser mode
# 4 - unused
# 5 - X11
# 6 - reboot (Do NOT set initdefault to this)
So when someone talks about switching to runlevel three, they mean shut down
the GUI completely, but still have full networking.
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