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This is a modified version of the Doom source code which represents system processes as soldiers. It could be considered a graphical interface to the 'ps', 'renice', and 'kill' commands. Wounding a soldier re-nices the process, and killing him kill -9's the process.

This is a proof-of-concept only, and needs lots of work before it could be truly useful. From Dennis Chao's webpage:

Some of the potential benefits of using Doom as a tool for system administration:

• The machine load is immediately apparent to the player, who can see how crowded a room is. The player can eyeball many machines from a high vantage point and go down to a room that needs maintenance.
• There is a nice continuum for resource allocation. A user may choose to simply wound processes rather than killing them, which could naturally be translated to renicing them.
• A new sysadmin can be given less power by providing her with a smaller weapon. A rank beginner may not be given a weapon at all and be forced to attack processes with her bare hands. It would take a foolhardy player to attack a room full of monsters, just as a newbie should not kill a bunch of important processes. A more experienced sysadmin would have time to stop a newbie who is trying to kill the wrong process. The real work could be left to those with the big guns. The truly great sysadmins could have BFGs.
• Really crowded systems would regulate their own load because monsters occasionally kill each other. Once the population in a room goes down, the monsters will stop attacking each other.
• Drastic action takes work. In a command line interface, all actions take approximately the same amount of effort. One can ls just as easily as rm -rf *, which is kind of unfortunate. In a cyberspace environment, the players are not omnipotent, so performing large actions takes time and effort.
• Important processes can be instantiated as more powerful monsters. They can then defend themselves against inexperienced sysadmins.
• Sysadmins could cooperate or compete. Doom is a natural environment for player-to-player interactions. A team of players can cooperate to take care of a heavily-loaded system, or they can even take out rogue sysadmins who are killing the wrong processes.

 

A few of the problems of using Doom as a tool for system administration:

• Certain processes are vital to the computer's operation and should not be killed. For example, after I took the screenshot of myself being attacked by csh, csh was shot by friendly fire from behind, possibly by tcsh or xv, and my session was abruptly terminated.
• Mapping processes to appropriate monsters is difficult. Should large processes be mapped to large monsters? Should the monster type reflect the CPU as well as memory usage? Should processes and their children look alike?
• It is difficult to tell if your employees are doing real work or just goofing off when tools and games have the same GUI.

 

License: free

Q-LAMP is a statistical tool for Quakeworld which allows you to keep track of what is going on on yout LAN or Internet game. It gives its output to a HTML page which is created dynamically every time you access it, so you always got the standings in real time.

License: free

Additional System Requirements: Quake
Linux
Apache
MySQL
PHP

Most games store their values for money, energy, lives etc. in memory while they are running. QGSpider gives you the power to search for memory addresses of those values, and the possibility to modify or lock the values to whatever you want! It's written in C++ with Qt.

With version 2.0, QGSpider also can change game running speed. you can "fast" or "slow" the game, it's so funny!

License: free

QJoyPad is a Linux/QT program that converts joystick or gamepad input into keypresses or mouse actions for XWindows. This lets you play any XWindows game with your gaming device. Use your game controller in a game that doesn't have joystick support, choose your own custom layouts to play your games how you want, and get rid of extra gamepad plugins for your emulators with QJoyPad.

License: free

Additional System Requirements: The QT toolkit and a Linux-supported gaming device.

QStat is a command-line program that displays information about Internet game servers. The servers are either down, non-responsive, or running a game. For servers running a game, the server name, map name, current number of players, and response time are displayed. Server rules and player information may also be displayed.

Games supported include Quake, QuakeWorld, Hexen II, Quake II, HexenWorld, Unreal, Half-Life, Sin, Shogo, Tribes, Tribes 2, Quake III: Arena, BFRIS, Kingpin, and Heretic II, Unreal Tournament, Soldier of Fortune, Rogue Spear, Redline, Turok II, Blood 2, Drakan, KISS, Nerf Arena Blast, Rally Master, Terminous, Wheel of Time, Daikatana, Descent 3 and Tribes 2 builds numbered 22075 or higher and also Doom3, Half-Life 2, UT2K3, UT2K4 and more.

License: free

Qstat Gdesklet queries your favorite game/public/clanserver and shows useful information right on your desktop. Features:

• Clantag/pattern Buddy detection
• Different games: Q3,RTCW,ET,HL,CS,UT2k3,UT...many more
• Game-Launch ability by clicking on the Logo.
• Very comfortable config screen

License: free

Additional System Requirements:

• gDesklets core
• Qstat
• Psy-Desklet-Themes