Re: Spontaneously aborting X startup during Linux boot process
On Thursday 16 December 2010 18:31:46 Bob Proulx wrote:
> Juan Ignacio Gaudio wrote:
> > > I just need to be able to change to a console tty and restore the
> > > previous xorg.conf. But as X starts automatically I can't manage to do
> > > that before X crashes and I lose the keyboard again... do you know of a
> > > way of changing the runlevel to just console (no X) or aborting X
> > > startup during Linux boot process (some key combination or anything).
> >
> > I searched it and turned up to be pretty simple.
> >
> > It's just needed to append the runlevel number to the kernel line,
> > something like this example:
> >
> > kernel /boot/vmlinuz-2.6.30 root=/dev/sda2 ro 3
>
> Note that the above isn't going to boot without X on a default Debian
> Lenny system unless you have changed it. By default on Debian all
> runlevels are configured the same. There isn't anything magical about
> runlevel 2 or 3 or 4 or 5. By default they are all the same.
>
> You can as a local admin configure them to be different but unless you
> have done so then booting runlevel 3 won't be any different than
> booting the default runlevel 2. X will start the same.
>
> The traditional solution would be to boot single user mode with S or
> 'single' and make corrections from there. Alternatively you can
> disable gdm/kdm/xdm temporarily and then reboot to the full system
> which will then be a text console.
Once we are thinking in terms of run-level by number, why not just use "1"
(without the quotation marks!) which on a Debian system is the CLI? Or, of
course, choose single user in GRUB.
Lisi
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