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How to modify repositories in Linux

If we wish to increase the capabilities of our operating system, we have the option of adding repositories to be able to install updated software or software that is not available for our distribution.

It is important to mention that it is necessary to investigate the reliability of a repository in order to avoid security problems on our server.

Modify the source.list

The file "/etc/apt/sources.list" contains the list of repositories currently on the system. For example, in Debian10 we find:

deb http://deb.debian.org/debian/ buster main
deb-src http://deb.debian.org/debian/ buster main

deb http://security.debian.org/debian-security buster/updates main
deb-src http://security.debian.org/debian-security buster/updates main

deb http://deb.debian.org/debian/ buster-updates main
deb-src http://deb.debian.org/debian/ buster-updates main

If we wanted, for example, to add the official Docker repository for Debian10, we should add the following line in the file:

deb https://download.docker.com/linux/debian buster stable

And this way, we would have added the docker repository.

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More than 2000 m² of own facilities and Data Centers in Spain
Your privacy is important for us
We use our own cookies for the proper functioning of the site. In addition, third-party cookies are used for analytical purposes only. This information is not associated with any person so that personal identifying data is not stored, but is only information that is collected to identify the session, with the aim of facilitating the analysis of the website. You can change your preferences at any time by entering this website again. For more information about our cookie policy you can visit our Cookies. You can press the "Accept and close" button to give us your consent or you can access more detailed information and manage cookies.