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riponnk 02-10-2013 03:39 AM

can not change root password from root
Hello ,
I am using CentOS 6.3. I cann't change root password.

Changing password for user root.
New password:
Retype new password:
passwd: Authentication token manipulation error

bathory 02-10-2013 12:08 PM



to re-create the /etc/shadow file


pingu 02-10-2013 12:10 PM

1) You have tried several times I hope?
If not, just try again - maybe ther was a mismatch between your two passwords.
2) How about password requirements?
AFAIK that is most commonly set with PAM.
Check under /etc/pam.d/ (or whatever GUI-tool there might be for this).
3) Are all accounts local, or do you use an authentication system (AD, LDAP etc)?

riponnk 02-11-2013 08:41 AM

I have tried several times , there's no mismatch with password. Only one local account here .

YankeePride13 02-11-2013 09:25 AM

Is the root filesystem mounted in read only mode by any chance?

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