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This article mainly explains "what are the methods of installing closed-source software packages for Debian". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Now let the editor to take you to learn "what are the methods of installing closed-source software packages for Debian"?

Debian is a distribution with 48000 software packages. These packages are divided into three categories: main, contrib and non-free, mainly according to the license requirements and referring to the Debian Open Source Software Guide (DFSG).

The main software repository includes DFSG-compliant open source software. Contrib also includes DFSG-compliant open source software, but relies on closed-source software for compilation or execution. Non-free includes redistributable closed source software that is not DFSG compliant. Main repositories are considered part of the Debian project, but contrib and non-free are not. The latter two are only maintained and provided for the convenience of users.

If you want to be able to install closed source packages on Debian all the time, you need to add contrib and non-free software repositories. To do so, open / etc/apt/sources.list with a text editor to add "contrib non-free" to each source.

The following is an example of / etc/apt/sources.list for Debian Wheezy.

Deb http://ftp.us.debian.org/debian/ wheezy main contrib non-free

Deb-src http://ftp.us.debian.org/debian/ wheezy main contrib non-free

Deb http://security.debian.org/ wheezy/updates main contrib non-free

Deb-src http://security.debian.org/ wheezy/updates main contrib non-free

# wheezy-updates, formerly called 'volatile'

Deb http://ftp.us.debian.org/debian/ wheezy-updates main contrib non-free

Deb-src http://ftp.us.debian.org/debian/ wheezy-updates main contrib non-free

After modifying the source, run the following command to download the file index of the contrib and non-free software repositories.

$sudo apt-get update

If you use aptitude, run the following command.

$sudo aptitude update

Now you search for and install any closed-source packages on Debian.

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