Call of Duty 4 - Modern Warfare

Call of Duty 4 is probably the last good COD that supported custom dedicated servers. People loved it back in the day and there's still a quite active community and full servers.

The server setup however is pretty tricky.

Building the CoD4x_Server

CoD4x_Server is an improved Linux compatible CoD4 Server built by the community. The project provides

Installation

1. You need a working CoD4 game installation on your (probably) Windows/Wine machine. MacOs will probably work as well.
2. Copy the zone, main and mods folder to your server.
3. SSH onto your server.
4. Create a directory where your CoD4 server should live in. This will be referred to as $GAME_DIR.
5. Move the zone, main and mods folder to $GAME_DIR.