Re: [aclug-L] UserGroup

[Azli Hashim <azli@xxxxxxxxx>]

Thanks a lot Tim, but our problem is we cannot even reboot the system as user 
is non-su.  Even
ctrl-alt-del does not reboot the system.

T. Wasson wrote:

> Azli Hashim wrote:
>
> > It is the root that cannot log in and we do not have any other super user.  
> > We cannot even
> > "ping" cause we cannot even get to root.  We couldn't seem to be able to 
> > undo what
>
> >From "Linux Unleashed 3rd Edition"
> "...use a boot floppy and boot the system.  Mount the root partition, and 
> edit the
> /etc/password file to remove any password for root, then reboot from the hard 
> disk.  After
> the system has booted you can set a password again."
>
> Yes, this means that anyone with a Linux boot disk can have unrestricted 
> access to your
> system.
>
> in the /etc/password file is an entry for root, it should look like this:
> root:blahblah:0:0:root:/root:/bin/bash
>
> The entry you are interested in is the blahblah between the two colons.  It 
> is the root
> password, but encoded.  Just remove the blahblah, leave the two colons, 
> reboot, and then root
> should let you log in without a password.  Once you are in, change the 
> password.
>
> I don't know anything about the adding user to the group root, or what effect 
> that had on
> your system.
>
> First time posting to the list, hope to make it to the meeting tomorrow.  
> Maybe I'll see you
> there.
>
> Hope this helps.
>
> Tim Wasson
> Linux user since Nov 98
> Lurker on ACLUG list since Jan or so
>
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