is the main distribution point of source code for the Linux kernel, which is the base of the Linux operating system.
Type of site
Open source repository
Available inEnglish
IPv6 supportYes
Current statusActive


The website and related infrastructure, which are operated by the Linux Kernel Organization,[1] host the repositories that make all versions of the kernel's source code available to all users. The main purpose of is to host repositories used by Linux kernel developers and maintainers of various Linux distributions. Additionally, it hosts various other projects or their mirrors, including the Linux Documentation Project (LDP) and CPAN.[2][3]

Since August 2014, provides additional security by mandating two-factor authentication for commits performed to hosted Git repositories that contain source code of the Linux kernel, with support for both soft tokens and hard tokens.[4]

2011 attack

On 28 August 2011, developers at realized that there had been a major security breach. Intruders had gained root access to the system and added a trojan to the startup scripts. Developers reinstalled all the servers and investigated the origin of the attack.[5] It is likely, although not confirmed, that the intrusion is related to the intrusions of and websites that were determined shortly afterwards.[6][7]

Git, a distributed and open-source source management system designed by Linus Torvalds to guarantee the integrity of the source code, is used to keep track of changes in the Linux source code. This and the fact that the source code is available to anyone and widely known makes any attempt to tamper with the source code fairly easy to detect and revert if required.[8] All that makes not the primary repository, but rather a distribution point of the kernel sources. was back online by November 2011, with the exception of a few secondary services. As of September 2013, however, the site maintainers still have not published a report of how the breach occurred.[9]

A 27 year old resident of Florida, US was arrested in 2016 for the attack.[10]

See also


  1. "The Linux Kernel Organization". Linux Kernel Organization. 2013-12-05. Retrieved 2015-01-15.
  2. "The Linux Kernel Archives - FAQ". Linux Kernel Organization. 2014-09-02. Retrieved 2015-01-16.
  3. ", a service of the Linux Kernel Archives". Linux Kernel Organization. 2014-12-13. Retrieved 2015-01-16.
  4. Konstantin Ryabitsev (2014-08-18). "Linux Kernel Git Repositories Add 2-Factor Authentication". Retrieved 2014-08-22.
  5. Jonathan Corbet (2011-08-31). "The cracking of". The Linux Foundation. Archived from the original on 2011-10-29. Retrieved 2011-11-08.
  6. "Blog Archive » down for maintenance?". Heimic. 2011-09-13. Retrieved 2014-03-02.
  7. " is down!". 16 September 2011.
  8. Fahmida Y. Rashid (2011-09-01). " hacked, but Linux kernel safe thanks to git". Archived from the original on 2013-01-27. Retrieved 2011-11-08.
  9. Dan Goodin (2013-09-24). "Who rooted servers two years ago, how did it happen, and why?". Ars Technica. Retrieved 2018-01-30.
  10. "Feds pin brazen intrusion on 27-year-old programmer". Ars Technica.
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