- https://sadservers.com/ : Learn Linux by solving problems.
- https://fly.io/dist-sys/ : Distributed Systems Problems.
- https://github.com/pingcap/talent-plan/ : System Programming / Distributed System Challenge.
- https://protohackers.com/ : Server Programming Challenges.
- https://codecrafters.io/ : Implement server tech / softwares from scratch.
- https://hyperskill.org/ : Lots of projects based tutorials.
Port postgres system to a completely erlang based solution.
[0] : https://www.erlang.org/
[1] : https://elixir-lang.org/