init 1 hangs

Nils Kassube kassube at
Sat Dec 15 08:23:31 UTC 2012

JD wrote:
> On 12/15/2012 12:21 AM, Nils Kassube wrote:
> > JD wrote:
> >> Ubuntu 12.10
> >> # init 1
> >> 
> >> hangs and never enters single user mode.
> >> Gets stuck displaying the purple screen with the word
> >> Ubuntu in the middle and the 4 dots beneath it.
> > 
> > It looks like the screen displays the boot splash screen. It should
> > be possible to switch back to your wanted VT with Ctrl-Alt-F1..F6.
> yes I tried that. Did not work. No response.
> In fact no response even to Ctrl-Alt_Del

That's strange - could there be a problem with your graphics driver? 
Would the Alt-Sysrq REISUB sequence [1] help?

> > BTW: IIRC you're coming from Fedora - then forget most of what you
> > know about runlevels. The default runlevel is 2 for ubuntu.
> Man page for runlevel in section 7 says:
>         Eight runlevels are permitted, the first seven are numbered
> 0-6 and the
>         eighth is named S or s (both are permitted).
> So, runlevel 1 should be perfectly legit and it should (or must)
> work, else it should be taken out of the man page :)

Sorry, I think I didn't write it clear. I didn't want to say that your 
choice of runlevel 1 was wrong. However we often see here people 
expecting runlevel 5 to be default runlevel. I was expecting the same 
coming from Suse many years ago. But for Debian derived systems, the 
default is 2 and there is no difference between the runlevels 2 to 5. 
So, as you were playing with the init command, I thought I should warn 
you about the unexpected behaviour.


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