Downgrading KDE

Bram Schoenmakers bramschoenmakers at
Wed Feb 22 18:00:07 GMT 2006

Op woensdag 22 februari 2006 13:45, schreef John:


> I have a vague recollection of seeing something about running more than one
> version of kde on the same machine but can't remember where. A search on
> or google might bring something up. Or maybe this might jog
> somebodies memory?
> Regards
> John

I don't know of the article, but I currently I run two different KDE versions 
next to each other (3.4 for daily usage and 3.5 as a testing platform for 
crazy experiments).

This is how I did it:

1) Retrieve the sources of KDE which you would like to install
2) Install all packages in a *different* prefix than the one chosen by your 
distro (take for example /usr/local/kde as prefix)
3) Create a new user
4) For this user, create a file ~/.xinitrc which contains the following line:


5) In ~/.bashrc, set these environment settings:

export KDEDIRS=/usr/kde/head
export PATH=/usr/kde/head/bin:$PATH

Done. Now you can login as this user and run 'the other' KDE.

Note: In case you need to install a different Qt version, install this in a 
different prefix as well (for example /usr/local/qt). For the new user, you 
should also set the enviroment variable:

export QTDIR=/usr/local/qt

Kind regards,

Bram Schoenmakers
KDE Netherlands (

What is mind? No matter. What is matter? Never mind.
  (Punch, 1855)
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