https://www.cs.cmu.edu/~gilpin/tutorial/. Debugging Under Unix: gdb Tutorial.
http://docs.kali.org/general-use/starting-metasploit-framework-in-kali. Setting up the Metasploit framework in Kali Linux.
http://www.backtrack-linux.org/forums/showthread.php?t=8154. Using the netdiscover command on Linux to scan for hosts on a network.
https://insights.ubuntu.com/2014/10/10/watch-netflix-in-ubuntu-today/. Watch Netflix on Ubuntu with the Google Chrome browser and ditch Windows on your media center machine.
http://www.linuxquestions.org/questions/programming-9/how-can-i-list-directories-only-in-linux-375219/. How to list only directories when using the command line in Linux.
Install World of Warcraft in Linux with Wine: http://www.webupd8.org/2014/09/how-to-install-world-of-warcraft-in.html.
Run a Dota 2 server on Linux or Macintosh easily with this guide: https://forums.alliedmods.net/showthread.php?p=2110203.