[ubuntu-uk] Corrupted User Accounts?

Simon Greenwood sfgreenwood at gmail.com
Mon Dec 20 15:27:05 GMT 2010

On 20 December 2010 15:17, Gordon Burgess-Parker <gbplinux at gmail.com> wrote:

>  On 20/12/10 15:08, Simon Greenwood wrote:
>  The issue with Windows is that there is a database at the core of the
> authentication mechanism, and this database can get damaged. Unix and Linux
> are essentially based on flat files which can be edited with the correct
> permissions. It is possible to damage /etc/passwd and/or /etc/shadow in such
> a way as to cause authentication failure, and also to corrupt your user
> space in such a way as to damage user configuration files, but it's also a
> lot easier to recover them.
> s/
> Ah. That makes things a bit clearer. Are there any "Howtos" as to how a
> (relative) newbie can recover from these sorts of damage?
Broadly, make sure you have an up to date backup of /etc/passwd and
/etc/shadow as well as your home directory.


Twitter: @sfgreenwood
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