Pregraph

Infrastructure and operations

Reading logs and troubleshooting

Finding the one useful line in a million. grep, awk, timestamps, and a method for narrowing down the cause.

About 10 hours of study.

Where to learn it

Read
Site Reliability Engineering

Google

Chapter 12, Effective troubleshooting

Section not checked yet

Watch
The Missing Semester of Your CS Education (MIT)

Anish Athalye, Jon Gjengset, Jose Javier Gonzalez Ortiz

Data Wrangling

Section not checked yet

Practise
OverTheWire wargames

OverTheWire

Bandit, levels 0–20

Section not checked yet

Which roles ask for it

Before and after