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[ILUG] Security permissions for passwd

[ILUG] Security permissions for passwd

Liam Bedford lbedford at wbtsystems.com
Tue Jun 20 13:37:41 IST 2000


On Tue, Jun 20, 2000 at 01:19:08PM +0100, John P. Looney (Kate) came forth with:
> On Tue, Jun 20, 2000 at 12:42:11PM +0100, rdermody at lexmark.com mentioned:
> > Hi all,
> > I found why I was getting "User root does not exist" when I was su-ing to root.
> > It was because I accidently modified the root entry in etc/passwd when I was
> > adding some users. But now I cant edit the file back to its original because I
> > need to have su rights and cant edit the file......any ideas anybody?.
> > Cheers
> 
>  You'll have to reboot the machine, and at the LILO prompt, type "linux
> single" or whatever, to get into single user mode. Root account or not,
> it'll give you a root shell, and you can edit the password file and put it
> back to the way it was.
IIRC on debian this won't work.. it asks for the root password...

The BBC would be a good way, or 
linux init=/bin/sh
mount / / -o remount,rw
mount /usr (if it's not mounted)
vi /etc/passwd

L.
-- 
Liam Bedford                  | Four thousand holes in Blackburn, Lancashire
System Administrator          | And though the holes were rather small
WBT Systems, Block 2,         | They had to count them all
Harcourt Centre, Harcourt St. | Now they know how many holes it takes to fill
01-4170100                    | The Albert Hall




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