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( IFS=: ; for d in $PATH; do ls -l $d/xearth 2>/dev/null; done )
I used bash in my test that I had the syntax correct because I don't have an xearth binary on my system, and then copy-pasted without changing it! For your system, we want to locate xearth files, not bash... sorry - my fault! Please can you execute the command with xearth in this post, and post the results. Thanks.
I embarked upon changing the security level....wish I hadnt
Mandriva say you can change security level via Draksec GUI but I failed to find it.
So I faked and installation to allow me to get at security level. Along the way I installed some extra software...wish I hadnt....should of just stuck to the issue in hand but I thought I could resolve anothe rissue at the same time....er wrong. Went right wrong!
Anyway ive reinstalled and when I get back home tonite I will put xearth back on but check first that it isnt already there.
Yes, KDE runs on top of, or inside X. X is the basic graphical system. It provides the basic hardware abstraction which allows programs to draw objects, access the mouse and keyboard etc. It also provides a way to display programs on remote machines overe the network, but that's another story. On this basic graphics system, KDE an other desktop environments are built. KDE provides a standard set of widgets (file dialogs etc), window decoration, configuration, IPC system, etc etc for graphical programs. Somewhat smaller scope "window managers" also exist which don't do as much.
OK, enough boring stuff. To the problem. I think it's solved. I think xearth is running properly... except that KDE is not letting you see the root window. X provides this thing called the root window which is the background of the display. However, KDE paints over the root window. If you right-click on the background and select "Configure Desktop...", you can control what KDE puts there.
Click the "Advanced Options" button and you should get a dialog which allows you to hand over background painting to another program. Check the "Use the following program to draw the background" box. With luck, the Mandriva people will have set up the xearth package so that xearch appears in the list. If so, just select it. If not we have some more work to do, but I don't want to research it unless it's not in the list.