Dev Ops

exercises: https://github.com/bregman-arie/devops-exercises

Programming language

• python or node or ruby

Networking:

• DNS resolution and tools to troubleshoot dns problems (like nslookup for instance)
• basic networking: subnetting, gateways, dhcp/nat, http,
• firewalls(incomin, outogoing, stateful, non-stateful, layer3 or 7), load balancers(learn typers of load balancing algorithms) and proxy servers (reverse and forward)

Cloud

• learn one provider and learn the concepts. when switching cloud providers the main differences are service naming and UI.

Containers and orchestration

• Docker
• Kubernetes

Infrasctructure as code

• terraform

Config management

• Ansible

CI/CD:

• github actions, Gitlab
• QA with Jenkins,
• code linting and unit testing

Monitoring and Log management / Data analytics

• ELK stack, Grafana