I installed this extenstion , i dont know if do it well , i donwloaded the last version from here
http://users.alliedmods.net/~drifter/builds/dhooks/2.0/ than i uploaded the files in my server , and i got this error
L 08/28/2016 - 15:15:07: [SM] Unable to load extension "dhooks.ext": /home/servers/csgo/csgo-12/csgo/addons/sourcemod/extensions/dhooks.ext.so: cannot open shared object file: No such file or directory