What's the cause / reason of: "unable to resolve host WS24 !?

[Tim]

On Fri, 2008-04-25 at 20:56 +0800, SYNass IT Ubuntu / Linux wrote:
> Hi Linux / Ubuntu experts and cracks
> My wife's notebook has Hardy 8.04-RC / LTS installed.
> 
> At systemboot menu.lst shows 2 sets of bootables and 
> I wanted to mark one of the sets with # to avoid displaying.
> 
> This happens:
> 
> xyz at WS24:~$ sudo gedit /boot/grub/menu.lst
> sudo: unable to resolve host WS123
> xyz at WS24:~$
> 
Can you run other commands via sudo?  The error suggests
that /etc/sudoers has a reference to an unknown host in it.

Are you sure about the error message -the subject line references WS24,
an d so do the shell prompts in the text, but the error message above
references WS123 (have you edited the host name in the messages?)



> What am I missing or doing wrong ??
> 
> TIA for your help, hints and suggestions.
> Cheers, svobi
> 
>