Several months ago I created an article with 5 APT (Advanced Packaging Tool) tips for both Debian and Ubuntu available here. APT is the package manager in Debian and Debian-based distributions, like Ubuntu. Here's part two of that article, with 5 more tips and tricks for APT.
Trac is an enhanced wiki and issue tracking system for software development projects. It provides a Graphical front end to SVN where diffs in files can be obtained. It cannot update the SVN repository. It simply provides a Project Management interface, wiki, ticketing system, and SVN front end.
Ever wanted to add some AJAX effects to your site to create a great and interactive looking site. Here’s a list of 48 of the best Mootools scripts around there (e.g. image galleries, lightbox clones, tabbed contents, forms, menus, tables, date pickers…).
The 101 most useful websites There are tens of millions of sites to visit. Not forgetting telegraph.co.uk, here are the only ones you actually need. Compiled by David Baker
Ubuntu 7.10 Gutsy Gibbon. This includes how to get MP3 support, install Java plugin, Flash plugin, w32codecs, CompizConfig Settings Manager, and clean up Ubuntu and so on.