Nov

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Manage Ubuntu Repository

November 2, 2008 |

This article teaches you how to manage Ubuntu Repository.

To install certain software package, you may need to add Repositories, to do so, you must make sure the repositorie type is enabled on your Ubuntu system. Below is the how you can check enabled Repositories.

1. From the top bar of your desktop, go to System->Administration->Software Sources

2. You will be prompted to type in your password, this is the password you use to login.


3. After login, you will see the following window:

Ubuntu Software Sources Window Screenshot

Ubuntu Software Sources Window Screenshot

4. Below are what of each repository means:
main
The primary package category is called main (also referred to as Officially Supported) and contains all of the default Ubuntu packages that have been tested to such a level that they are officially supported by the distribution. As such, this category is enabled by default.

restricted
This category contains packages that are restricted due to copyright or possibly other aspects of their licenses such that they are considered nonfree. This repository exists so that users who want to use only “free” open source software can disable this category and pull software only from main.

universe
Ubuntu is based on the Debian Linux distribution but contains only a subset of Debian’s software due to the amount of testing required to support each package. universe is a subcategory that contains software that the community has packaged and supports for Ubuntu. If you are looking for a particular piece of software and can’t seem to find it, there’s a good chance that it is in universe or the next subcategory, multiverse. Note that since these packages are not officially supported by Ubuntu, there’s a chance that you risk some instability by installing software from this category.

multiverse
Like universe, the multiverse category contains software that is not officially supported but is maintained by the Ubuntu community. multiverse is to universe as restricted is to main. Here you will find contributed or nonfree packages that are not officially supported by Ubuntu.

5. Check or uncheck to enable or disable the repository.

6. When you press close, Ubuntu will ask you if you want to reload, press reload to reload the list of packages.

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