How the Kernel Manages Your Memory http://duartes.org/gustavo/blog/post/how-the-kernel-manages-your-memory/
perf sched for Linux CPU scheduler analysis http://www.brendangregg.com/blog/2017-03-16/perf-sched.html
The Biggest and Weirdest Commits in Linux Kernel Git History https://www.destroyallsoftware.com/blog/2017/the-biggest-and-weirdest-commits-in-linux-kernel-git-history/
Write your own Android Authenticator http://blog.udinic.com/2013/04/24/write-your-own-android-authenticator/