Official Server:
#/Etc/APT/sources. List
# Deb CDROM: [Ubuntu 9.10 _ karmic koala _-release i386 (20091028.5)]/karmic main restricted
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade
# Newer versions of the distribution.
Deb http://us.archive.ubuntu.com/ubuntu/ karmic main restricted
Deb-Src http://us.archive.ubuntu.com/ubuntu/ karmic main restricted
# Major bug fix updates produced after the final release of
# Distribution.
Deb http://us.archive.ubuntu.com/ubuntu/ karmic-Updates main restricted
Deb-Src http://us.archive.ubuntu.com/ubuntu/ karmic-Updates main restricted
# N. B. software from this repository is entirely unsupported by the Ubuntu
# Team. Also, please note that software in universe will not receive any
# Review or updates from the Ubuntu security team.
Deb http://us.archive.ubuntu.com/ubuntu/ karmic universe
Deb-Src http://us.archive.ubuntu.com/ubuntu/ karmic universe
Deb http://us.archive.ubuntu.com/ubuntu/ karmic-Updates universe
Deb-Src http://us.archive.ubuntu.com/ubuntu/ karmic-Updates universe
# N. B. software from this repository is entirely unsupported by the Ubuntu
# Team, and may not be under a free licence. please satisfy yourself as
# Your rights to use the software. Also, please note that software in
# Multiverse will not receive any review or updates from the Ubuntu
# Security team.
Deb http://us.archive.ubuntu.com/ubuntu/ karmic multiverse
Deb-Src http://us.archive.ubuntu.com/ubuntu/ karmic multiverse
Deb http://us.archive.ubuntu.com/ubuntu/ karmic-Updates multiverse
Deb-Src http://us.archive.ubuntu.com/ubuntu/ karmic-Updates multiverse
# Uncomment the following two lines to add software from the 'backports'
# Repository.
# N. B. software from this repository may not have been tested
# Extensively as that contained in the main release, although it except des
# Newer versions of some applications which may provide useful features.
# Also, please note that software in backports will not receive any review
# Or updates from the Ubuntu security team.
# Deb http://us.archive.ubuntu.com/ubuntu/ karmic-backports main restricted universe multiverse
# Deb-Src http://us.archive.ubuntu.com/ubuntu/ karmic-backports main restricted universe multiverse
# Uncomment the following two lines to add software from Canonical's
# 'Parter' repository.
# This software is not part of ubuntu, but is offered by canonical and
# Respective vendors as a service to Ubuntu users.
# Deb http://archive.canonical.com/ubuntu karmic partner
# Deb-Src http://archive.canonical.com/ubuntu karmic partner
Deb http://us.archive.ubuntu.com/ubuntu/ karmic-security main restricted
The Deb-Src http://us.archive.ubuntu.com/ubuntu/ karmic-security main restricted
Deb http://us.archive.ubuntu.com/ubuntu/ karmic-security universe
The Deb-Src http://us.archive.ubuntu.com/ubuntu/ karmic-security universe
Deb http://us.archive.ubuntu.com/ubuntu/ karmic-security multiverse
Deb-Src http://us.archive.ubuntu.com/ubuntu/ karmic-security multiverse
Sohu's server:
Deb http://mirrors.sohu.com/ubuntu/ lucid main restricted universe multiverse
Deb http://mirrors.sohu.com/ubuntu/ lucid-security main restricted universe multiverse
Deb http://mirrors.sohu.com/ubuntu/ lucid-Updates main restricted universe multiverse
Deb http://mirrors.sohu.com/ubuntu/ lucid-proposed main restricted universe multiverse
Deb http://mirrors.sohu.com/ubuntu/ lucid-backports main restricted universe multiverse
The Deb-Src http://mirrors.sohu.com/ubuntu/ lucid main restricted universe multiverse
The Deb-Src http://mirrors.sohu.com/ubuntu/ lucid-security main restricted universe multiverse
The Deb-Src http://mirrors.sohu.com/ubuntu/ lucid-Updates main restricted universe multiverse
Deb-Src http://mirrors.sohu.com/ubuntu/ lucid-proposed main restricted universe multiverse
Deb-Src http://mirrors.sohu.com/ubuntu/ lucid-backports main restricted universe multiverse
163 of servers:
Deb http://mirrors.163.com/ubuntu/ jaunty main restricted universe multiverse
Deb http://mirrors.163.com/ubuntu/ jaunty-security main restricted universe multiverse
Deb http://mirrors.163.com/ubuntu/ jaunty-Updates main restricted universe multiverse
Deb http://mirrors.163.com/ubuntu/ jaunty-proposed main restricted universe multiverse
Deb http://mirrors.163.com/ubuntu/ jaunty-backports main restricted universe multiverse
The Deb-Src http://mirrors.163.com/ubuntu/ jaunty main restricted universe multiverse
The Deb-Src http://mirrors.163.com/ubuntu/ jaunty-security main restricted universe multiverse
The Deb-Src http://mirrors.163.com/ubuntu/ jaunty-Updates main restricted universe multiverse
The Deb-Src http://mirrors.163.com/ubuntu/ jaunty-proposed main restricted universe multiverse
Deb-Src http://mirrors.163.com/ubuntu/ jaunty-backports main restricted universe multiverse
Other references
Http://wiki.ubuntu.org.cn/%E6%BA%90%E5%88%97%E8%A1%A8
Apt-GET command:
Apt-cache search package
Apt-Cache show package obtains package information, such as description, size, and version.
Sudo apt-Get install package installation package
Sudo apt-Get install package--reinstall re-installation package
Sudo apt-get-F install fix and install "-F = -- fix-missing"
Sudo apt-Get remove package Delete package
Sudo apt-Get remove package--Purge delete a package, including deleting a configuration file.
Sudo apt-Get Update update source
Sudo apt-Get upgrade updates installed packages
Sudo apt-Get dist-upgrade System
Sudo apt-Get dselect-upgrade using dselect
Apt-Cache depends package for dependency usage
Apt-Cache rdepends package is used to check which packages are dependent on this package.
Sudo apt-Get build-dep package installation-related compilation environment
Apt-Get source package download the source code of the package
Sudo apt-Get Clean & sudo apt-Get autoclean clear useless packages
Sudo apt-Get check whether any corrupted dependency exists