http://duartes.org/gustavo/blog/ -- Updates infrequently. Good articles on Linux and Programming. Start here: http://duartes.org/gustavo/blog/best-of
http://catonmat.net -- He doesn't update much anymore since he's working on his startup but the archives are still good. Mostly unix tools and CompSci stuff IIRC.
http://chneukirchen.org/trivium/ -- Curates unix and plan9 articles and some lower level/systems programming stuff with a few other peculiarities sprinkled in.
http://www.foldl.org/ -- Curated programming/compsci stuff from certain subreddits. Didn't last long, archives still have some gems.
http://lambda-the-ultimate.org/ -- I actually don't read the articles that often anymore but I scan the titles as if it were a ticker of what's going on in the programming world.
If someone could point me to more curated sources like foldl, I'd appreciate it.
Non-programming:
http://ryanholiday.net -- http://www.ryanholiday.net/an-introduction-to-me/
http://thelastpsychiatrist.com/ -- I skip the pharma articles that are way over my head. Cultural deconstructionism.