Here’s how to add the universe and multiverse repositories.
- Open Software Sources. System > Administration > Software Sources
- Check the boxes for Community-maintained Open Source software (universe) & Software restricted by copyright or legal issues (multiverse)
- Click Close. Another box should pop up asking if you want to reload, click Reload.
- If you clicked Close, and a window didn’t pop up, then you must go to System > Administration > Update Manager
- Click the Check button.
- Now you can begin to install software from the universe & multiverse repositories.
[...] How to add the Universe & Multiverse repositories graphically [...]