Starfish Food

Are there any good websites I can go to in order to learn more about how to get my website more highly ranked with the search engines? I really need to learn more about search engine optimization. Someone told me I need to get more one way links to my website, but so far that is the only thing I really know that I should do. And I am still not totally sure how to go about doing that. I don’t want to have to hire anyone since I am just getting started and don’t have a lot of extra money.