>On Saturday 26 Mar 2005 15:51, Simon wrote:
I cannot open files in order to edit them when I am in Konqueror as SU. I get an error message :KDEInit could not launch 'kwrite' I do have Kwrite installed. Any ideas please. Thanks, Simon.
Yes - I've no idea why it happens, but the cure is simple. In a root console, type
xhost + localhost
and all will be well again.
Anne
The reason has to do with X server security. Normally, only the user that "owns" the current X secession can have programs "connect" to it. Starting an X based program requires that it connect to an X server. Now, the user that is logged to the GUI "owns" the current X secession. He/she/it has the "keys" needed to connect in their home directory. If you use "su" to change to another user, the "keys" are still there. But if you use "su -", or if you change the envirement, then you no longer have the "keys", and the X server will not let you connect. Running "xhost + localhost" or "xhost localhost" tells the X server that any program on localhost can connect without needing the "keys". This is ok for a home system, but is a security risk on a more open system.
Mikkel --
Do not meddle in the affairs of dragons, for you are crunchy and taste good with Ketchup!
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