Practical, no-fluff guides on the skills that keep infrastructure alive — chaos engineering, automation, and Linux troubleshooting. Each one links to hands-on practice so you can try it, not just read it.
A plain-English guide to chaos engineering: what it is, why teams deliberately break things, the core principles, and how to try it hands-on.
Read the guide →Practical Ansible playbook examples beginners can read and adapt: restarting services, installing packages, managing config, and targeting host groups.
Read the guide →The Linux incidents that page on-call engineers most — high load, full disks, OOM kills, dead services, DNS failures — and the commands to diagnose each.
Read the guide →A clear, no-hype explanation of SRE vs DevOps: where they overlap, where they differ, what SLOs and error budgets add, and which one a job posting really means.
Read the guide →Understand the Terraform workflow: what plan, apply, and destroy actually do, how state ties it together, and why you always read a plan before applying it.
Read the guide →The journalctl flags that matter on call: filter by unit, follow live, jump to a time window, show only errors, and find the log line that explains the outage.
Read the guide →🍪 We use cookies
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