Debian announces Chinese Mirror
The Debian project is proud to announce the availability of a new
primary mirror in mainland China. The new mirror, ftp.cn.debian.org ,
will significantly reduce network latency to the Debian software
repositories and help to raise Debian's profile in China, and is
accessible via IPv6 as well as via IPv4. Besides Debian's package
archive, the mirror also offers Debian's CD and DVD images as well as
the backports archive, and for users of Debian's oldstable release
("Lenny"), the Debian volatile archive.
The Debian mirror team worked with Stephen Zhan and Aron Xu to set up
the mirror in China. To quote Aron, this will "significantly reduce the
lag time" when synchronizing with Debian's ftp-master server. Previously
it was common to have a lag time of about two days between ftp-master
and China. With the new primary mirror, the mirror team has been able to
reduce that time to under six hours for push clients and under twelve
hours for passively synchronizing mirrors.
A primary mirror site has good bandwidth, is available 24 hours a day,
and has an easy to remember name of the form ftp.<country code>.debian.org.
Such a mirror is automatically updated whenever there are updates to the
Hosting of the primary mirror in China is provided by the University of
Science and Technology of China.
Usage of the new ftp.cn.debian.org mirror
CD and DVD images can either be downloaded directly from the mirror 
or via the tool jigdo .
Users of the current stable release Debian 6.0 "Squeeze" should replace
their existing /etc/apt/sources.list with the following:
Users of the current oldstable release Debian 5.0 "Lenny" should
replace their existing /etc/apt/sources.list with the following:
Add the following optional lines to use packages backported for
Or for packages backported for Lenny:
Of course users of the current testing and unstable distributions, "Wheezy"
and "Sid", can also use the new mirror.
Please note that after changing the sources.list, users need
to update their package manager's index files, for instance by running
About University of Science and Technology of China
The University of Science and Technology of China (USTC)  is a
national research university located in Hefei, China. Founded by the
Chinese Academy of Science (CAS) in September 1958, USTC is aimed at
fostering the high-level expertise in science and technology absolutely
necessary for the development of the national economy, national defense
construction, and education in science and technology. The university is
regarded as one of the most prestigious universities in China.
USTC LUG was founded in 2003 and has been operating for eight years. As
a technology-leading association, USTC LUG has organized a number of
significant activities, such as: Linux network technology seminar,
GNU/Linux Install Party, PMP Embedded Linux technical seminars, Oracle
and open source technologies seminars, Open Source Software Competition
in Hefei, Software Freedom Day, and a series of systems using and
programming lectures. USTC LUG started maintaining the well known Debian
archive mirror debian.ustc.edu.cn in 2003, and now, with better hardware
and bandwidth sponsored by USTC, it is finally becoming the official
mirror of China. In addition, USTC LUG has established a freeshell
server running on Loongson CPU, serving the whole campus to provide
online experience on GNU/Linux. With the assistance of USTC Network
Information Center, USTC LUG has set up a PXE network booting system,
enabling the whole campus to perform convenient installs or quickly
experience the system.
The Debian Project was founded in 1993 by Ian Murdock to be a truly free
community project. Since then the project has grown to be one of the
largest and most influential open source projects. Thousands of
volunteers from all over the world work together to create and maintain
Debian software. Available in 70 languages, and supporting a huge range
of computer types, Debian calls itself the "universal operating system".
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