i wanna create l4d2 server on linux

[portaln]

i have linux server but i dont have the files or the commands for it...
can some1 explain those things to me? please be patient with me, i am new at this

[Arjen]

Follow this guide: http://forums.steampowered.com/forums/showthread.php?t=292495

Change the name of the game to l4d2 or something