Ubuntu Contributions

Upstart

http://upstart.ubuntu.com

Jockey

https://launchpad.net/jockey

Ubiquity

https://launchpad.net/ubiquity

Brainstorm

https://launchpad.net/ubuntu-qa-website

gnome-app-install

LTSP5

https://launchpad.net/~ltsp-upstream

debian-installer

• debootstrap progress via debconf, and a good deal of what became the first-stage task installer glue
• base-installer kernel selection refactoring and test suite
• much of udev support and devfs path removal
• pcmciautils support
• chunks of debconf maintenance effort such as the progresscancel and escape capabilities
• reserved username checks
• some of rescue mode
• translation handling work in cdebconf that saved about 20MB of run-time memory

OpenSSH

Maintained in Debian and Ubuntu.

• [http://www.debian.org/security/2008/dsa-1576 Host and user key blacklisting support], mitigating the [http://www.debian.org/security/2008/dsa-1571 OpenSSL RNG vulnerability]

• [https://bugzilla.mindrot.org/show_bug.cgi?id=1450 ConsoleKit support]

initramfs-tools

initramfs-tools was originally written by Jeff Bailey for Ubuntu, and later became Debian's default initramfs system.

dpkg

• The [:PackageDependencyFieldBreaks:Breaks field] was originally implemented by Ian Jackson for Ubuntu.

• [http://lists.debian.org/debian-dpkg/2007/04/msg00076.html Triggers] were originally implemented by Ian Jackson for Ubuntu.

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