Root password changing by itself

[Rahul Sundaram]

Vijay Krishnan wrote:
> Hi all,
> 
>      I have Fedora 5 and 6 installed on my machines. I strangely find
> that I am often unable to login to the machine with my regular
> password using ssh. Fortunately I have physical access to the machine,
> which allows me to change the password back. Any idea what could be
> the reason? Is it necessarily evidence of my machine being hacked
> into, or could it also have something to do with my messing around
> with ssh keys etc.? What should I do to protect against both
> possibilities. In other words if it is a security breach, how do I
> plug it and prevent the "hacker" from having continued access.

Use your backup data or potentially back it up now and do a good cross 
checking to make sure and then wipe off your system and install a more 
recent version of Fedora which is currently maintained.

http://fedoraproject.org/wiki/Releases/

Rahul