I have centos 5.7 (server). I need to configure it for backup system, that means it have to back up or back up documents shall be posted or send to this server from various users (clients using windows machine and ubuntu). Can someone help me with instructions on how i can make this possible? And /or is it possible to set active directory on this machine and if possible how? Please help, i am not good enough on centos. regards, Damas