Ubuntu Source Notes

For example, the image source of Tsinghua University: https://mirrors.tuna.tsinghua.edu.cn/help/ubuntu/

/etc/apt/sources.list is the package management tool APT's package warehouse configuration file. The corresponding deb-src must have deb corresponding to it, but Deb can not exist DEB-SRC Independent.

Deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main Multiverse restricted universeDeb Http://mirrors.tuna.tsinghua.edu.cn/ubuntu/xenial-backports main multiverse restricted Universedeb/http mirrors.tuna.tsinghua.edu.cn/ubuntu/xenial-proposed main Multiverse restricted Universedeb/http Mirrors.tuna.tsinghua.edu.cn/ubuntu/xenial-security main Multiverse restricted Universedeb/http Mirrors.tuna.tsinghua.edu.cn/ubuntu/xenial-updates main Multiverse restricted UNIVERSEDEB-SRC/http Mirrors.tuna.tsinghua.edu.cn/ubuntu/xenial main Multiverse restricted UNIVERSEDEB-SRC/http Mirrors.tuna.tsinghua.edu.cn/ubuntu/xenial-backports main Multiverse restricted UNIVERSEDEB-SRC/http mirrors.tuna.tsinghua.edu.cn/ubuntu/xenial-proposed main Multiverse restricted UNIVERSEDEB-SRC/http Mirrors.tuna.tsinghua.edu.cn/ubuntu/xenial-security main Multiverse restricted UNIVERSEDEB-SRC/http Mirrors.tuna.tsinghua.edu.cn/ubuntu/xenial-updates main Multiverse Restricted universe

Each of these pieces consists of the following parts:

Deb means that the binary precompiled package is followed; DEB-SRC indicates that the source code used to compile the binary package is followed

http://mirrors.tuna.tsinghua.edu.cn/ubuntu/represents the mirrored address of the warehouse

The xenial represents the release version. or the xenial/trusty/precise. or a oldstable/stable/testing.

Next is the classification of the package, for Ubuntu there are several categories: main official support for free software. Restricted is officially supported by non-free software. Universe community-maintained (unofficial) free software. Multiverse (unofficial) non-free software maintained by the community.

Ubuntu Source Notes