You shouldn’t waste opportunities when they arrive. It’s the same thing in programming. You uncover lots of stone along the way. New doors and unexpected passageways open up as you develop a program.
Friends brother: So what do you do for work?
Me: I am a DevOps engineer
FB: *blank stare* 😐
Me: I work with computers, fix servers and write code to manage stuff in the cloud.
FB: Awesome. Well my Windows 10 laptop been acting up lately. Can you..?
Me: No. Noop. Not going to happen.
Learn how to install and use iotop to see the I/O bandwidth read and written by each process/thread on your Linux server. Useful to find out current DISK I/O usage by processes.