12 DevOps concepts to learn in order, from Linux to SRE
_jaydeepkarale · x · 2026-10-26
A 32K-follower dev condenses years of DevOps knowledge into 12 concepts to learn in order:
- Linux: filesystem, processes, permissions, shell troubleshooting
- Networking: IP, DNS, ports, TCP/HTTP, firewalls
- Git: version control and rollback
- Scripting: Bash/Python automation of repetitive work
- Cloud computing: compute, storage, managed services on AWS/Azure/GCP
- Docker: containerized, consistent environments
- CI/CD: automated build-test-deploy pipelines
- Infrastructure as Code: e.g. Terraform over dashboards
- Kubernetes: orchestration, scaling, recovery
- Secrets & security: credentials and permissions
- Observability: logs, metrics, traces, alerts
- SRE: SLOs, capacity planning, incident response
The core message: DevOps is about building a reliable, repeatable path from code to production — learn concepts first, tools will make sense afterward.
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