I tried to use Caffeine – a simple app which prevents running screen saver and locking display. I installed it from the Software Center but it didn’t work. The display always locks even when Caffeine was active.


First make sure you removed all other installed Caffeine apps:

Now you can install Caffeine which will work on Ubuntu:

We added new repository and installed application. Now you can run this app simply type in terminal:

That’s all! Now when you want to prevent lock the screen just click Enable in the Caffeine menu (in the notification area).



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