> When I start X Windows, using the KDE window manager, I change to root > (with su - ) > for administrative tasks. However I seem unable to run X window > applications. > > Whatever X application I try to run, I inevitably get a message similar > to "... unable to open display".
Try this. While logged in as yourself, type 'xauth nexport - $DISPLAY > myxauth' (sans quotes, of course). Then become root, and type 'xauth nmerge myxauth'. Then delete myxauth. -Ron- GPG and other info at: http://www.yellowbank.com/