[Sussex] Newcomer
Stephen Williams
sdp.williams at btinternet.com
Tue Sep 20 15:23:12 UTC 2005
On Tue, 2005-09-20 at 10:54 +0100, Steve Dobson wrote:
> Dave
>
> On Tue, Sep 20, 2005 at 10:39:02AM +0100, Dave Chapman wrote:
> > Login as martin then in the xterm type
> > su
>
> When `su'ing to root one should always use "su -". The flag causes the
> su(1) command to throw away the current users profile and replace it
> with the new users (the default being root). Of course to be really
> safe you should use "/bin/su -" to make sure your not using a user
> hacked version of su(1).
>
> This is a good security step. An environment can over anything on a
> *nix system, and the users could have trogan horse libraries that
> capture passwords and the like.
>
> > then the root password that you should have setup during install
> > Then type
> > yast2
> > If that does not work
> > yast
> >
> > yast2 is the nicer graphical version of yast
>
> If you're going to be using a graphical program then before using "su -"
> one needs to first run the command "xhost +". This allows any user to
> put a graphical window upon the user's display. If you don't use "su -"
> but just "su" then the user's environment is still in place and his
> graphic authority is being used.
>
> Once you have "su -"ed then you also need to issue the command:
> export DISPLAY=:0.0
> in order for the graphics programs to know where to put their displays.
Martin,
Get the feeling you've just been "Tango'd"?
>
>
> Steve
>
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