new system

Just installed a new system with a fresh Ubuntu install? Install all the packages in one shot,

~$ sudo aptitude install build-essential ddd insight kdbg kdevelop eclipse eclipse-cdt eclipse-jdt kompare kate bless kile lyx cscope global octave kmplot vim emacs virtualbox-ose pdfedit scribus inkscape checkgmail kompozer manpages manpages-posix easytag gtkpod vlc libncurses5 libncurses5-dev dialog curl sun-java6-jre sun-java6-jdk wireshark qt4-dev-tools qt4-assistant qt4-designer qdevelop monodevelop umbrello git git-core gitk git-gui graphviz doxygen doxygen-gui

Apart from that, install the individual .deb for

1. Google Chrome (dev channel)
2. Skype for 32 bit (64-bit still shaky)
3. Picasa for Linux

Before installing new packages, do
~$ sudo apt-get update; sudo apt-get upgrade

sudo first

Check if you running your script through sudo.

if [[ $(/usr/bin/id -u) -ne 0 ]]; then
    echo "Not running as root"
    exit
fi

Linux Kernel design patterns

Linux kernel design patterns, part 1, part 2 and part 3.

Gnuplot - resources

Very useful gnuplot resources

1. The official gnuplot documentation and demos (The demos are really useful as they give the scripts that can me modified to suit your plot)
2. Introduction to gnuplot 
3. Creating graphs with gnuplot part1, part2 and part3