How to create a superuser in Kubuntu?

[Alvin]

On Tuesday 06 October 2009 00:20:50 David Fletcher wrote:
> On Monday 05 Oct 2009, Marcelo Magno T. Sales wrote:
> > Hello,
> >
> > I've read some articles about creating superusers in Ubuntu, but all of
> > them rely on an option in Gnome User Manager that allows you to
> > configure an user as an administrator.
> > In KDE User Manager, the available tool in Kubuntu, there is no such an
> > option. How do I create a superuser in Kubuntu?
> >
> In /etc/group there's a line that starts with admin:
> 
> I just added myself to that line, which gave me sudo privileges. Will that
> do?

That is the good old-fashioned way, yes. Not the safest, but you can check if 
your /etc/group file is ok with the following command:
# grpck (or $ sudo grpck of course)