authentication failed

nndexpertt · Post by **nndexpertt** » Fri Oct 19, 2007 2:01 pm

I have a daul boot system.In MY first partion i have windowS and in the last one it has linux partion.I use a command in cosole here its--->"auth required /lib/security/pam stack.so services system-auth"
after that i could not log into my linux box ,every time i had try to log in it says:authentication failed.
i tried to rescue my box with rescue mode and it didnot worked for me ,i even try to change my root passowrd but again didnot work .Now im here to aks wuts problem and also want to know that is there any way to fix this problem.
thx in advance

AXEL_HAX · Post by **AXEL_HAX** » Fri Oct 19, 2007 7:16 pm

Try logging into a terminal and trying this:

usermod -p password user

nndexpertt · Post by **nndexpertt** » Sat Oct 20, 2007 11:36 am

ITS SAY --:>LOGIN INCORRECT

AXEL_HAX · Post by **AXEL_HAX** » Sat Oct 20, 2007 11:43 am

So You cant login at all?

Can you possibly log in with knoppix or something, and replace /etc/password and the shadow file?

foldingstock · Post by **foldingstock** » Sat Oct 20, 2007 6:02 pm

Don't replace /etc/password. Instead, just use knoppix to "chroot" into your current installation, and change the password that way.

Example (from knoppix):

Code: Select all

# mount /dev/hda1 /mnt
# chroot /mnt /bin/bash
 # passwd
enter new password:
Changing password for root
enter new UNIX password:
conforim: 
password change successfully
 # exit
# umount /dev/hda1

nndexpertt · Post by **nndexpertt** » Sun Oct 28, 2007 11:08 am

thx dudes .none of ur advices worked 4 m3 i just reformated my H.D.D AND INSTALL red hat again .