Here is how to install and use PulseAudio on Xubuntu 8.10 Intrepid Ibex.
1. Install packages
$ sudo apt-get install libasound2-plugins “pulseaudio-*” paman padevchooser paprefs pavucontrol pavumeter libao-pulse
2. Configure Alsa
Edit the file /etc/asound.conf as root. Create it if it doesn’t exist. Enter the following in this file and save:
pcm.pulse {
type [...]

Gnome on Ubuntu comes with an included “Remote Desktop” feature (vino) that allows you to VNC into your existing desktop session (usually on the :0 display). However, XFCE does not have a native VNC package built in. The best option I have found is to use vino, the same VNC app that Gnome [...]

There are two versions of Virtual Box:
- OSE (Open Source Edition) which is in the repos
- Closed Source Edition, or Standard, or just plain “Virtual Box”
OSE does not have USB support. There are a few other features from the closed source version that aren’t included in OSE, you can see the list here. [...]

The command xrandr can be used to change the screen resolution from the command line. Execute the xrandr command to see available screen resolutions. The output will look like this:
Screen 0: minimum 320 x 240, current 1440 x 900, maximum 1440 x 900
default connected 1440×900+0+0 0mm x 0mm
1440×900 [...]

sudo dpkg-reconfigure fontconfig-config
Select “Autohinter”, “Always” and “No” when prompted.
sudo dpkg-reconfigure fontconfig
Restart X.
Add the following to ~/.Xdefaults (create the file if it doesn’t exist):
Xft.antialias: true
Xft.hinting: true
Xft.hintstyle: hintfull
Xft.rgba: rgb
Xft.dpi: 96
Add this command to your startup commands:
xrdb -merge ~/.Xdefaults

In order to disable your Synaptics touchpad on previous releases of Ubuntu, you would set “SHMConfig” to “true” in xorg.conf and then install the program gsynaptics to disable/enable the touchpad.
The xorg.conf file is different in Intrepid Ibex, there is no section for the touchpad anymore. Now to enable SHMConfig you have to do [...]

To see what repository a package was installed via in Ubuntu using apt, use this command:
$ apt-cache policy packagename
Example:
$ apt-cache policy firefox
firefox:
Installed: 3.0.3+build1+nobinonly-0ubuntu0.8.04.1
Candidate: 3.0.3+build1+nobinonly-0ubuntu0.8.04.1
Version table:
*** 3.0.3+build1+nobinonly-0ubuntu0.8.04.1 0
500 http://security.ubuntu.com hardy-security/main Packages
100 /var/lib/dpkg/status
[...]

These instructions will configure Firefox to use Gmail or your Google Apps hosting account to handle mailto links:
First, type about:config in the address bar, search for gecko.handlerService.allowRegisterFromDifferentHost, and set the value to true.
Then, log into GMail or your Google Apps mail URL, paste this line of JavaScript into your address bar, and hit enter:
For Gmail:
javascript:window.navigator.registerProtocolHandler(”mailto”,”https://mail.google.com/mail/?extsrc=mailto&url=%s”,”GMail”)
For [...]

I have just finished writing my first Wordpress plugin - a widget to display a status update via Ping.fm:
Ping.fm is a simple service that makes updating your social networks a snap. You can use AIM, GTalk, iGoogle, Windows Live Messenger, Yahoo! Messenger, WAP, iPhone/iPod Touch, SMS or E-mail to let Ping.fm relay your message [...]

Here is video of my 6 year old son Collin popping wheelies on his bicycle. I edited the video in Kino and Avidemux.
You need to a flashplayer enabled browser to view this YouTube video