http://uniquegeek.blogspot.com/
Used as a personal problem/solution tracker.
Posts are published when I have found a solution. Unpublished posts are used to keep track of things I haven't had the time to look up yet.
I really recommend this method because it's a very useful way to do a linux to-do list. I find it also helps others, especially with more obscure problems, or problems that are harder to search for. Be mindful of what keywords you use, and the...