Operations & System Administration

Here’s all our guides on operating systems, containers, cloud platforms, running servers, infrastructure-as-code, automation, site reliability engineering, and all that jazz!

• How to Hide Sensitive Things in GitHub Actions Logs

• How Do You Deploy and Manage Apps in Kubernetes?

• How to Run an Ansible Playbook

• How to use Ingress Objects on OpenShift

• Old Pods' Home: Why is Kubernetes using an old image?

• Build a Java container CI/CD pipeline with Concourse

• SSH into a Docker container? Use docker exec instead

• Ansible Tips: How to Use a Loop to Render Multiple Templates

• How To Use Kubernetes Custom Resources To Sell More Burgers

• How to Deploy a React app to OpenShift

• How to Deploy a Node.js app on OpenShift

• How to Create a Cluster Admin User in OpenShift, the Easy Way

• 4 Ways to do a Dockerfile Build in OpenShift

• Image Streams in OpenShift: What You Need to Know

• How to Deploy a Web Server on OpenShift

• Rootless container/host networking in Podman, without the hassle

• Kubernetes Deployment spec examples

• Helm: A cheat sheet

• How to Create a Jenkins Shared Library (Tutorial + Example Repo)