3. How do I add Universe and Multiverse?
By default, Ubuntu comes pre-configured with basic and security update repositories. To enable the extra Universe and Multiverse repositories:
1. Start Synaptic by selecting System → Administration → Synaptic Package Manager from the desktop menu system.
2. In Synaptic choose Settings-> Repositories.
3. Click the Settings button.
4. Tick Show disabled software sources, then click Close.
5. On the Repositories dialog box click Add. There are three separate repositories; Breezy Badger, Security Updates and Updates. Select each repository and check Officially supported, Restricted copyright, Community maintained (Universe) and Non-free (Multiverse). Ensure you click OK between each repository to save your changes.
6. You should now see checkboxes next to each repository, scroll through the list and ensure they are all checked.
4. How do I add backports?
Backports are newer versions of applications made available for the current stable release of Ubuntu.
1. Start Synaptic by selecting System → Administration → Synaptic Package Manager from the desktop menu system.
2. In Synaptic choose Settings-> Repositories.
3. Click on Add and then Custom.
4. Paste the following line into the box:
deb
http://archive.ubuntu.com/ubuntu breezy-backports main universe multiverse restricted
5. Click Ok and then click Yes when it asks you to reload. Backports is now available.