When I become superuser in my user account (for this, i type "su -"), i can't use any program that use X server.
I get different errors, depending on the program I try to run.
For example:

lykos:~ # kwrite
kwrite: cannot connect to X server

but if I do the same not being superuser, I can open kwrite (the same happens with every program, with similar error messages). The "funny" part is that when i type kwrite in su, i do it on X, not in text-only mode, i mean, i do it in my console.

I'm on a laptop and SUSE (fresh install, performed several times) can't autodetect my monitor, but I selected LCD 1024x768@60Hz.

Also, if i login to root (normally, at login screen, not by doing su -) it loads X with no aparent problems.

Thank you everyone for your help!!! :-)

Try running:

$ kdesu kwrite

Thanks! I'm going to try it now.

Thank you very much! It worked for me.
Although I prefer to use "su -", this workaround is great.

Thanks again!

As root, try running the command
This will allow your root user to connect to the X server. You will have to do this every time though...

--Ian

Thanks IBall, I'll try this tonight.

Just one question, is there any way of running this command automatically at startup?

Hope it will be the solution!

:-)

You're wrong here mate ... the user who runs the
xsession needs to do the xhost + , not the one that
wants to gain access to the display... but it's not
really good practice in the first place.

And he'd still have to export DISPLAY=:0.0 to
be able to get the app to connect to the local
display ...

The kdesu is a pretty good way of doing it.



Cheers,
Tink

IBall, you solution hasn't worked for me :-(

By the moment I can only do that with kdesu, but Tinkster, what can I do to try your solution?

I'm a old-newbie, not a lot of linux knowledge...

Thanks!

Again: you SHOULDN'T :)

For the normal user:
xhost +localhost
You can a) put that in a script and stick it in your
WMs/DEs autostart or b) create a ~/.xsession and
add that line before starting the actual WM to automate
the process...

For root (after su -):
export DISPLAY=:0.0 ...



Cheers,
Tink

rather than using "su -" you can use "sux -" and this will let you use X programs