yl 4 Learning to Program in Python
yp 4 Python Programming
at 3 Deploying Apache and Tomcat 
hl 3 Learning to program in PHP
hp 3 PHP Programming
ul 3 Learning to program in Lua
up 3 Lua Programming
el 2 Learning to Program in Perl
ep 2 Perl Programming
rl 2 Learning to Program in Ruby
rp 2 Ruby Programming
dl 1 Learning to program in C++
dp 1 C and C++ Programming
tl 1 Learning to Program in Tcl
tp 1 Tcl Programming
aj 0 Deploying Java applications on Linux and Unix
al 0 Deploying LAMP - Linux, Apache, MySQL Perl / PHP / Python
ax 0 Extra Days
bl 0 Linux Admin Bootcamp
ca 0 C and C++ Programming
cb 0 Programming in C
cl 0 Learning to Program in C
cp 0 C++ for C Programmers
dj 0 The Django Web Framework
la 0 Linux Administration
lb 0 Linux Basics
lw 0 Linux Web Server
pg 0 Technology for PHP
pl 0 Perl for Larger Projects
pt 0 PHP Techniques
pw 0 Using Perl on the Web
px 0 Perl Extra
re 0 Regular Expressions
rr 0 Ruby on Rails
yi 0 Intermediate Python