Practical documentation for engineering teams.
Learn the tools we use to build, deploy, and run software—with clear steps and checks you can trust.
sudo apt updatesudo apt install -y nginxsudo systemctl enable --now nginxcurl -I http://127.0.0.1Guides
Start with a subject, then follow the task you need.
Linux for Cloud Engineers
Set up, secure, deploy to, and operate Linux servers.
Networking for Cloud Engineers
Trace requests through addresses, routes, DNS, ports, and TLS.
Docker for Cloud Engineers
Build images, run Compose stacks, and operate containers.
Ansible for Cloud Infrastructure
Turn tested server tasks into repeatable automation.
Git for Engineering Teams
Make clear changes, collaborate safely, and recover lost work.
Security for Cloud Operations
Reduce risk, detect suspicious activity, and recover with evidence.
Engineering Practice
Build sound judgment, strong collaboration, and durable teams.
Engineering Journal
Articles and field notes shared by Cubis engineering teams.
Safer infrastructure changes
Reduce uncertainty before, during, and after a production change.
Incident notes that lead to action
Turn timelines and contributing conditions into work the team can finish.
Documentation as engineering work
Maintain knowledge as an interface for people, teams, and engineering tools.
Built for people and tools
Use the Markdown index when an AI agent needs clean documentation.