12.2 Managing Repositories with Software & Updates
As an alternative to using the command-line, repositories may be configured from within the GNOME desktop environment using the Software & Updates app. To launch this app, press the special key on the keyboard (on Windows keyboards this is the Windows key, on macOS the Command key and on Chromebooks the key displaying a magnifying glass) and enter Software & Updates into the search bar. In the results panel click on the corresponding icon to launch the app. Alternatively, open a terminal window and run the following command:
$ update-manager
When the app loads, click on the Settings button as shown in Figure 12-1:
Figure 12-1
From the settings screen, enable or disable the required repositories listed under the Downloadable from the Internet heading:
Figure 12-2
To enable partner repositories, select the Other Software tab as shown in Figure 12-3:
Figure 12-3
To add other third-party...
