My life naturally consists of lots of upgrading and testing software on computers. Not least my own where I often want to test something out.
Well, you can go too far... a couple of weeks ago I decided to test a "release candidate" of the linux desktop environment KDE, version 4.5 RC2 to be more specfic.
One thing that I suspect caused headaches later was that the upgrade was disrupted at least 2 times due to our sometimes ver slow internet.
When all was supposedly done I rebooted and stared at a black screen. No graphics, only terminal commandline login. Oooops. Big time.
I can not even remember how I finally managed to get back to a working graphical interface but I found x number of half or nonworking applications. Had to give up and reinstall an older version. A working one! Luckily I have since looong made sure that all user data is on its own partition and will normally not be messed up by experiments like this.
This once more proves the old truth: do not mess with your working/production computer. Test new stuff on another one - but how many have an extra computer lying around? Not me, at least not one that is not being used.
Lesson learnt: do wait until final release...
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