
Thousands of programs are freely available to install on Kubuntu. These programs are stored in software archives (repositories) and are made available for installation over the Internet. This makes it easy to install new programs in Kubuntu. It is also secure, because each program is built specifically for Kubuntu and is checked thoroughly before it is installed. Kubuntu repositories are categorized into four groups:
Glavno
Omejeno
Universe
Multiverse
Two factors are used to determine categories:
The level of support that software development teams provide for a program
The level of compliance the program has to the Free Software Philosophy
More information about the Repositories is available on the Ubuntu website.
The standard Kubuntu LiveCD contains some software from the Main and Restricted categories. Once a system has information about the Internet-based locations for these repositories, more programs are available for installation. Using the software package management tools installed by default, it is possible to discover, install and update any piece of software directly over the Internet, without the need for the LiveCD.
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Start Software Center by choosing → → .
Select → in the Software Center package manager window.
An administrative password is required in order to proceed.
Next, click on the Other Software tab. Existing repositories can be enabled or disabled by checking the appropriate boxes in the upper section. To add a new repository, click the Add button.
Enter the repository address. The proper format is required, and looks similar to this:
deb http://ppa.launchpad.net/kubuntu-ppa/backports/ubuntu oneiric main
After adding the repository, a prompt will appear to update the package list. This will allow Muon to find the newly available software.
To remove a repository, select it in Software Sources, and press the button. When the process is complete, press the button.