Welcome to the forum.
This is a very common first question on the forum, what follows is the typical first answer.
go to the search bar in top right of the page,mine says "google custom search", and search first for "long line trolling" next search for "spider rigging". Between these two searches you should get lots of information in regards to the most common questions to this question for these two popular types of fishing.
Once you have gotten a bunch of general knowledge type answers from these searches, come back with more specific questions.