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KDE SC uses several directories on your filesystem to store temporary files. Most of those files are unneccesary and can be removed when KDE is not running; at least I do that :P
Those directories are (defaults in Gentoo): * /tmp/kde-$USER * /var/tmp/kdecache-$USER/ * /tmp/ksocket-$USER/
More information about those directories can be found [http://techbase.kde.org/KDE_System_Administration/KDE_Filesystem_Hierarchy#Outside_the_Directory_Tree here].
* If one uses an encrypted filesystem for
/home only, sensible data is still accessible in the non encrypted / filesystem.
* Also in a fully encrypted filesystem you may want to have your data in your user directory.
* In my case I don't like the amout of data that is used on my very small / partition.
With environment variables one can tell KDE to use other paths for those directories.
KDEVARTMP. To change them while KDE starts, create the file
<source lang=“bash”> #!/bin/bash
export KDETMP=“/home/username/.kde4/temporary/” export KDEVARTMP=“/home/username/.kde4/temporary/”
#KDE does not create both directories, they must exist already on KDE's start. [ -d $KDETMP ] || mkdir -p $KDETMP [ -d $KDEVARTMP ] || mkdir -p $KDEVARTMP </source>
It is important that the file ends with
.sh so KDE really executes it. Technical information about this can be found [http://userbase.kde.org/Session_Environment_Variables here].
Do not forget to make it executable:
chmod a+x changeenv.sh
The script checks whether both directories exist and creates them if, because KDE fails to start if they do not exist.
Now you have the following directories in