Make a VDF File

Select your server's operating system. It's okay if you don't definitively know it.
Operating System:

Choose which game your server is running. If it's not listed below then skip this field.
Game:

If your game wasn't listed above, type the game folder here. Otherwise ignore this field.
The game folder is the folder containing the gameinfo.txt file, or the folder you specify via the -game parameter to SRCDS.
Game Folder:

You're done! Click the button below to download your metamod.vdf file. Once you have it, save it to your addons folder.