This tutorial have describes two methods to configure Apt repository on your Ubuntu & Debian systems. The first method uses the add-apt-repository command to configure the repository for you. You can also use symlink command apt-add-repository. In any case, the command doesn't exists on your system. The tutorial add-apt-repository command not found will help you. […]

For those new to Debian package management, add-apt-repository is a command line tool used for adding Personal Package Archive (PPA ) in Debian family Linux distributions. Install add-apt-repository on Debian 10/9 / Ubuntu 20.04/18.04/16.04. man apt-key add-apt-repository. add-apt-repository is just a shortcut to add a repository to your sources.list file or sources.list.d directory. You can also do this by either adding an entry to sources.list or adding a list file to sources.list.d. For instance, you can run the following from a root session: It is not always advisable to add custom and third-party repositories in the '/etc/apt/sources.list' file. Instead you can create a file under the ' /etc/apt/sources.list.d' directory. For example, to install docker-ce on Debian 10 Buster from it's upstream repository, you'll do the following: apt-get install apt-transport-https ca-certificates This will allow the package manager to access metadata and packages over https (Hypertext Transfer Protocol Secure), which is how the Intel repositories are hosted.

The apt-add-repository command also supports removing a repository with use of the -r option. On Fedora, the command for adding a repository looks like this: dnf config-manager --add-repo

Jul 27, 2015 · Apt stores a list of repositories or software channels in the file /etc/apt/sources.list. and in any file with the suffix .list under the directory /etc/apt/sources.list.d/ See man sources.list for more about this storage mechanism. By editing these files from the command line, we can add, remove, or temporarily disable software repositories.

Sep 06, 2017 · To edit a repository's details, select the repository in the list and click the Edit button. A dialog box displays the apt line, broken up into its components. The fields are as follows: Type designated as "binary" (deb) for software in binary format or "Source" (src) for source code format.

Removing a repository from ‘apt directory’ Like every other configuration in Linux, repositories are stored in the system as a file. Instead of using predefined commands, we can remove these repositories manually. These repositories are stored in 'etc/apt/source.list.d/'in the form of '.list'files.