HOWTO Build a Linux kernel module out-of-tree

This article is incomplete and was first written in June 2006
for the BeezNest technical website (http://glasnost.beeznest.org/articles/340).
It could happen that you badly need to use a newer kernel module than what is present on your existing Linux kernel (2.6.x), but you do not want to upgrade the whole kernel or rebuild it from scratch, because:
  • you cannot or don't want to reboot afterwards
  • you don't have the original source anymore (and your kernel was patched) or you don't want to download and install them, but you do have the kernel headers handy
  • o

Dokeos single database - don't let yourself get tricked

I wanted to write this post for two reasons:
  1. to remind everybody that we (the Dokeos company) continue to vaguely support this mode because we understand it is still more practical when installing it on a free/cheap hosting server
  2. to help you avoid the tricky issue in the installation process when deciding which main db name to use
As the first point is pretty much complete, I'll go straight to the second point. In the Dokeos installation process, the database configuration screen asks you for a prefix and a database name.

Howto convert AVI to xvid with mencoder

As I was looking into reducing the size of a video, I felt upon this wiki page, which proved super-useful:

HOWTO Convert video files

Note: As commented by one reader, xvid is not really divx though, but changing the title and the url of my post 6 months later would just add to the confusion. Sorry about that, I wasn't meaning to confuse anyone, and I thought in good fait it was the same (the results are the same for me though: very high volume loss for very little quality loss).