The srv_gmod_9_0.zip file you have requested: Modifications / Garrys Mod / v90 / Garry's Mod Server Dedicated Server Files (v9.0) - 31.35mb is not available. Perhaps try browsing all files for the game Half-Life 2 and upload any files you want to share or are missing. This is the only information we could locate:
For more information on Half-Life 2, visit Halflife2.filefront.com With these files, you are able to make dedicated Garry's Mod Servers. This is for Linux & Windows.