Topics
Security
Data formats
Text
Linux and network
Encoding and conversion
Where to start · 1.1
First steps
15 stages · 8 labs
Phase 1 · Foundations
The terminal, files, text and pipelines.
Phase 2 · The system
Users and permissions, processes, services and logs.
Phase 3 · Admin craft
Disks, networking and Bash scripts.
Phase 4 · Server in production
Resources and the kernel, the web stack, security, containers, automation and observability.
Phase 5 · Operations
SLOs, incidents and redundancy.
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Command index 437
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