Taking the administration of a new (GNU/Linux in this case) is not a task to be taken lightly.
You should first try to install linux on a testing platform and follow some guide. As my teacher once said to me, "Linux is for the warned adult". You can do, and probably will (it happened to me a lot of times), screw up a system. Better that you learn this lesson on your testing machine.
If you had work with anything UNIX (BSD, System V, Mac OS, Solaris) you start with almost everything you need because GNU/Linux is a UNIX-ish system with small differences (the base is there).
If you start with a Microsoft background then you will need more time to be sure to know what you're doing. I suggest you to take courses, read books or do tutorials. I don't have any to refer to you because there are plenty of them. You will find what you need.