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Old 05-09-2006, 02:00 AM   #1
evzen
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Registered: May 2006
Location: FFFF0h PowerGood
Distribution: SLACKWARE 11
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help me please situation CritiCal


I accidentaly changed the shell for root to "my name"
now whenever i am trying to log on as root it log me off and says cannot execute "my name" however i can log on as subuser
how to log on as root if i know the password but it just allways log me off
please help
 
Old 05-09-2006, 02:13 AM   #2
stormyk88
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What 'shell' did you change? I know very little about this, but I recently forgot my root pw and had to wipe my system. I know there are other ways around it, someone else with more knowledge than me will chime in soon.
 
Old 05-09-2006, 02:33 AM   #3
daihard
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Location: Seattle, WA
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Quote:
Originally Posted by stormyk88
What 'shell' did you change? I know very little about this, but I recently forgot my root pw and had to wipe my system. I know there are other ways around it, someone else with more knowledge than me will chime in soon.
He must have changed his login shell. The default for the GNU/Linux system is bash.

If you use Fedora Core, you can invoke system-config-users, type in your root password (which should be doable since it does not invoke the shell), and change the shell of root back to /bin/bash. I haven't tried it myself, but it *should* work.
 
Old 05-09-2006, 03:55 AM   #4
ehawk
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I think this should work (get other opinions)

First, you need to log in using linux single mode

http://www.redhat.com/docs/manuals/l...ng-single.html

When you are logged in this way (as root) change the shell using chsh:

chsh -s /bin/sh (or whatever)

http://unixhelp.ed.ac.uk/CGI/man-cgi?chsh+1

You should also change the subject description to something more descriptive, before a moderator freezes this thread and prevents you from getting more help.
 
Old 05-09-2006, 04:13 AM   #5
cs-cam
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Could also change it in /etc/passwd.
 
Old 05-09-2006, 04:56 AM   #6
ethics
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Quote:
Originally Posted by cs-cam
Could also change it in /etc/passwd.
That'd be my suggestion too, either if you have Sudo setup, or just su from a user with a working shell
 
Old 05-09-2006, 10:30 PM   #7
evzen
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Registered: May 2006
Location: FFFF0h PowerGood
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Smile login shell

yes i did changed login shell iam running slackware and i guess ill try first what daihard sugested thanx for now **it did not work
su doesnt work neither, single mode doesnt work
how do i change the login shell** chsh for root wont work from user mode damnit

Last edited by evzen; 05-09-2006 at 11:49 PM.
 
Old 05-10-2006, 12:41 AM   #8
gilead
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If all else fails, you can boot the box with your system CD, mount the partition containing /etc and modify the passwd file.
 
Old 05-10-2006, 11:55 PM   #9
gilead
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By the way, once you've booted the PC with the rescue CD, you'd do something like the following. I'm assuming the partition containing the /etc directory is on /dev/hda1 and that it is ext3:
Code:
mkdir -p /mnt/harddisk
mount -t ext3 /dev/hda1 /mnt/harddisk
vi /mnt/harddisk/etc/passwd
You can use any text editor, it doesn't have to be vi (pico, joe, etc.). The line for root should be something like:
Code:
root:x:0:0::/root:/bin/bash
Hope that helps...
 
  


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