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

[SYNass IT Ubuntu / Linux]

On Sat, 2008-04-26 at 12:31 +1200, Tim wrote:
> 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 WS24
> > 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?)

Thanks and sorry, Tim !
My mistake & typo, all should be and are WS24 !!
Need to check with other sudo's. ;-)
Cheers, svobi