How do I start with Feed the Beast packs?

I have looked thought the entire wiki and spent 10 mins of just searching cant find any tutorial on how to do this. I keep seeing a reference to this but I have no idea what that is. Can someone please help?

Read through this post: Install FTB Infinity 1.7 server for noobs

There are several other threads about FTB in this fora all ready, quite a few of them ask the same, “how do I do this”.