Some tips for developing into a senior system admin

I will recommend a youtube video: https://www.youtube.com/watch?v=bSAgQqa49nM

 

Things I have learned from the video are:

1. Knowing the importance of configuration management, using tools like puppet.

2. Knowing the principle of OS, like how the linux kernel works.

3. Using shortcuts to improve the effiency at workplace.

4. Reject the promotiom to a management role and stay focused on the technical role.

5. Learn how to explain complicated things in short