DevOps Beginner

roadmap.sh: https://roadmap.sh/devops?r=devops-beginner

Suggested path through the DevOps Beginner nodes. Each node links to its lesson when written.

Nodes

Foundations

• What is DevOps
• The software delivery lifecycle
• Dev vs Ops and why they merged
• Culture: collaboration and ownership

Operating systems & the shell

• Linux basics
• The command line and common commands
• File permissions
• Processes and services
• Writing simple shell scripts

Networking basics

• IP addresses and ports
• DNS
• HTTP/HTTPS
• SSH

Version control

• Git fundamentals
• Branching and merging
• Pull requests

A programming/scripting language

• Picking a language (Python, Bash, Go)
• Automating a repetitive task

Containers

• What is a container
• Docker basics (images, containers)
• Writing a Dockerfile
• Running an app in a container

CI/CD

• What is continuous integration
• What is continuous delivery
• Building a simple pipeline

Cloud & hosting

• What is the cloud
• Picking a provider
• Deploying a container
• Monitoring basics

Resources

See resources.md.

Project ideas

• Containerize a small web app with a Dockerfile and run it locally.
• Set up a GitHub Actions pipeline that lints and tests a repo on every push.
• Write a shell script that backs up a directory and schedule it with cron.