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Old 04-06-2004, 09:48 AM   #1
rsamurti
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How to boot in single-user mode in Slackware 9.1


Can anybody guide me how to boot in single-user mode in Slackware 9.1?

Thanks for your help.

Anand
 
Old 04-06-2004, 11:10 AM   #2
gnashley
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After login type <init 1> to enter single user mode.
 
Old 04-06-2004, 11:20 AM   #3
druuna
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Your default runlevel can be found/set in /etc/inittab, and looks something like this:

# default runlevel
id:3:initdefault:


In the above example, the machine will boot into RL3. Changing this to 1 (id:1:initdefault: ) will boot your machine to RL1 (which is single user mode).

The drawback is that your machine will always boot to the given RL.

You can do the following to (temporary) change runlevels.

As root:

$ init 1

This will not reboot your machine, but will change from your current runlevel to runlevel 1 (single user mode).

To go back to your default setting:

$ init 3 3 could be 5 for you, check your /etc/inittab.

init recognizes the following parameters:
0 is System halt (Do never use this for initdefault)
1 is Single user mode
2 is Local multiuser without remote network (e.g. NFS)
3 is Full multiuser with network
4 is Not used (although some distro's do use 4 instead of 5 for xdm)
5 is Full multiuser with network and xdm
6 is System reboot (Do never use this for initdefault)

Not all parameters are listed here, take a look at man init for more detailed info and all options.

Hope this helps.
 
Old 04-06-2004, 12:26 PM   #4
slackMeUp
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druuna,

You are right... some distros do use run level 4 for xdm/gdm/kdm (IOW full graphical interface) such a distro is SLACKWARE. This is a Slackware based thread...

Taken right from the inittab file on a slackware box...

# These are the default runlevels in Slackware:
# 0 = halt
# 1 = single user mode
# 2 = unused (but configured the same as runlevel 3)
# 3 = multiuser mode (default Slackware runlevel)
# 4 = X11 with KDM/GDM/XDM (session managers)
# 5 = unused (but configured the same as runlevel 3)
# 6 = reboot



Last edited by slackMeUp; 04-06-2004 at 12:28 PM.
 
Old 04-06-2004, 01:47 PM   #5
druuna
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@slackMeUp

This is strange, I did the same thing. The copy/paste in my previuous thread is from a box running slack (9.1).

Must have edited it, although I cannot remember I did (and lokking at the timestamp, I didn't 1400 Apr 12 2003 /etc/inittab).

But this is what the slack-boys (and girls) have to say about it:

rc.0 Halt the system (runlevel 0). By default, this is symlinked to rc.6.
rc.4 Multiuser startup (runlevel 4), but in X11 with KDM, GDM, or XDM as the login manager.
rc.6 Reboot the system (runlevel 6).
rc.K Startup in single user mode (runlevel 1).
rc.M Multiuser mode (runlevel 2 and 3), but with the standard text-based login. This is the default runlevel in Slackware.

So you are correct. Slack uses rl4 for graphical logins.
 
Old 04-07-2004, 02:13 AM   #6
rsamurti
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But how do I boot in single user mode from LILO?
 
Old 04-07-2004, 11:44 AM   #7
druuna
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You add single to the end of the LILO bootprompt

Example:

Linux - Linux (Linux native partition)

boot: <your selection> single


Hope this helps.
 
Old 05-13-2004, 06:50 AM   #8
freeto
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Does this ring true when booting from a floppy using SYSLINUX 1.67?
Would I type:
boot: 4 single



'Life is a spiritual pickle'
=Ambrose Bierce
 
Old 05-13-2004, 04:03 PM   #9
semesm
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thanks
 
  


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