Ask HN: How to be a great sysadmin?

https://github.com/kahun/awesome-sysadmin ?

I'd start by learning how to search - https://news.ycombinator.com/item?id=9419877.

Sysadmins have to learn about more abortive technologies and know about them sooner than most programmers. They have to have knowledge of stuff that should have been deprecated a long time ago and they have to know why to say yes, no, or maybe when they're asked to do something new.

Reading, assessing, and learning are massively important skills.

http://www.opsschool.org/en/latest/

Apparently[1] by running a firewall or configuring servers to accept connections only from where they should, gets instantly to the top 30%.

I think you forgot your [1].

hehe, I did: https://news.ycombinator.com/item?id=10684866