Password authentication

Tony Arnold tony.arnold at
Sat Sep 5 20:29:41 UTC 2009


Mike wrote:
> I am unable to log on to root as my password is not accepted by the 
> system. I am getting a password authentication failure notice.

Are you connecting via ssh? The ssh config may not allow root login over
ssh. It's a bit of a security risk. Log in with your non priv account
and use sudo or su.

> My password is accepted in the GUI.

Logging into the GUI with root is also considered a bad thing to do, but
I've never been quite sure why!

Tony Arnold,                        Tel: +44 (0) 161 275 6093
Head of IT Security,                Fax: +44 (0) 870 136 1004
University of Manchester,           Mob: +44 (0) 773 330 0039
Manchester M13 9PL.                 Email: tony.arnold at

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