SkillDevOps / Platform EngineerCloud and Network EngineerCybersecurity Engineer
Library · concept
Networking fundamentals
IP addressing and subnets, DNS, TCP and TLS, and the cloud networking built on them: VPCs, routing, NAT, security groups and load balancers.
Networking appeared in 28% of the DevOps job descriptions we read, and it is the core of Cloud and Network Engineer roles. It is also what you need when "the service is up but nobody can reach it".
The examples run locally (Python's ipaddress module, a local TLS server, curl and openssl) or validate with Terraform, so the output you see is what the commands print.
- 1BeginnerA production-like Compose stack with a TLS reverse proxy
- 2BeginnerAn IP address plan for a growing company
- 3BeginnerHarden a Linux server and prove your backups restore
- 4BeginnerHost a static site with a CDN, TLS and your own domain
- 5IntermediateA cloud network and service in Terraform, reviewed like code
- 6IntermediateA site-to-site VPN and private DNS lab
- 7IntermediateZero-trust networking for a microservices app on Kubernetes
- 8AdvancedA hub-and-spoke cloud network in Terraform