[CentOS] Strange UserID Issue

Mohan mk at nerdplanet.co.uk
Wed Dec 3 14:31:05 UTC 2008

Hi Guys,

I have a setup where i have a user named root4 whose uid and gid are set 
to 0 so that it behaves as root user. The root user has ssh keys 
configured to access other servers . In the existing setup all other 
servers with similar setup shows whoami as root ,though i login with the 
username root4.  In one of the servers all of a sudden it shows as root4 
instead of root.

The only change i did a day ago was installed fluxbox and k3b for 
burning dvd-backups in the server itself. Since it shows whoami as 
root4. ssh  checks /home/root4/.ssh for ssh keys instead of checking in 

so i have to copy all the keys manually from default location to 
/home/root4/.ssh to get the ssh key based authentication working .

This machine runs centos 4.5

Id still shows uid =0 (root4) gid=0(root) groups=0(root) but its 
supposed to show uid =0 (root) gid=0(root) groups=0(root)

Earlier all files in /home/root4 are owned by user and group root.root 
now it shows root4. root.

i checked the passwd file last modification date and it hasnt been 
changed for months.


selinux is disabled

$HOME=/home/root4  -- which is normal.

I dont know why it behaves all of a sudden. does anyone have experienced 
similar problem ?

Where should i look for to fix this issue ? Any help would be much 



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