← All tracks

Interview Prep

All levels

High-signal infra fundamentals, asked the way they ask them.

Outcome

Walk into an infra interview able to reason out loud through real failures.

The ladder

Beginner
  • ▸Core mental models
  • ▸Request path
  • ▸Permissions
  • ▸Reading logs
Intermediate
  • ▸DNS deep dive
  • ▸Storage trade-offs
  • ▸Networking
  • ▸Scenario judgement
Advanced
  • ▸Incident walkthroughs
  • ▸Systems design basics
  • ▸Postmortems
  • ▸'Why is it slow?'

Example lessons

lesson

The request path

lesson

Blast radius

lesson

Root cause vs symptom

Practise with puzzles

IntermediateDisk Full, But du Says It's Fine
IntermediateDNS Works Here, Not There
AdvancedHigh Load, Low CPU

Related labs

LabLinux Black Box: The Silent Web Server

Want this track, structured and gamified, on your phone?

Join the waitlist