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The Big Guide to... Getting Into DevOps

DevOps is a confusing yet beguiling career choice. Find out how to start your career in DevOps with this guide.

DevOps Project Ideas

A career in DevOps is all about building a broad skill base and understanding. Use these project ideas to invest in yourself and get that...

Linux for DevOps: What You Need to Know

Worried about touching a Linux terminal? Don't know where to start? Find out what you need to know about Linux for DevOps.

The differences between Docker, containerd, CRI-O and runc

Let's answer the question of Docker or CRI-O, and other common questions about different container runtimes

The Best Places to Learn & Try Kubernetes Online

Learning Kubernetes can seem challenging. But fear not! Here's a boatload of resources that will help you get there.

Guide to Containers: Why and how to use them

What are Docker containers, and what are they used for in the real world? We take a look.

The 7 essential stages of a CI/CD pipeline

The key activities that make up a solid, dependable CI/CD pipeline for your code

How To Communicate Between Docker Containers

Understand how a Docker container can talk to its container friends, by setting up a network. Includes a real example.

Why Does My Docker Container Stop?

Understanding the lifecycle of Docker containers, and why they will, sooner or later, come to a stop.

Your career

• The Best Kubernetes Courses for Developers

• DevOps Project Ideas

Working with containers

• How to Find Docker Images

• Create a Docker Build Pipeline with Jenkins on OpenShift

• How I Created a Python Development Environment with Docker

• How to Start Containers Automatically, with Podman and Systemd

• My Docker Development Workflow: Code, Build, Push, Run

• SSH into a Docker container? Use docker exec instead

• 4 Ways to do a Dockerfile Build in OpenShift

• Using volumes with rootless podman, explained

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

• Managing your Podman containers with Cockpit on Fedora

• The differences between Docker, containerd, CRI-O and runc

• Guide to Containers: Why and how to use them

• 14 best practices for containerising your Java applications

• How To Communicate Between Docker Containers

• Why Does My Docker Container Stop?

• Containers: one single process, or multiple processes?

DevOps Engineering & Linux

• The Best Kubernetes Courses for Developers

• The Big Guide to... Getting Into DevOps

• How to Make Sense of Linux System Stats in Top

• Linux for DevOps: What You Need to Know

• How to Hide Sensitive Things in GitHub Actions Logs

• How to Run an Ansible Playbook

• DevOps Project Ideas

• Can't SSH? You Might Have Too Many Keys

• How to Start Containers Automatically, with Podman and Systemd

• Build a Java container CI/CD pipeline with Concourse

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

• Get your branches right: Git branching for microservices

• What is Linux? A Beginner's Guide

• Using volumes with rootless podman, explained

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

• Managing your Podman containers with Cockpit on Fedora

• Developing with Kubernetes on Fedora

• The 7 essential stages of a CI/CD pipeline

• Get your metrics on: How to measure DevOps success

Kubernetes & OpenShift

• The Best Kubernetes Courses for Developers

• How Do You Deploy and Manage Apps in Kubernetes?

• Tekton Debugging: How to List Files in a Task

• How to use Ingress Objects on OpenShift

• How to Override Any Spring Boot Property in Kubernetes

• Create a Docker Build Pipeline with Jenkins on OpenShift

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

• What are the main Kubernetes architecture components?

• How to Troubleshoot your App in Kubernetes

• 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

• Developing with Kubernetes on Fedora

• Kubernetes ImagePullBackOff error: what you need to know

• Kubernetes Deployment spec examples

• The Best Places to Learn & Try Kubernetes Online

• The differences between Docker, containerd, CRI-O and runc

• Helm: A cheat sheet

• How do Pods communicate in Kubernetes?

AWS

• Serverless Framework vs Serverless Components

Cloud-Native Applications

• Create a Docker Build Pipeline with Jenkins on OpenShift

• How to List All Spring Boot Application Properties

• The Honest (and Opinionated) Guide to Java IDEs

• Spring Boot app metrics - with Prometheus and Micrometer

• How to create a simple HTTP server in Java - with Undertow

• 14 best practices for containerising your Java applications

Tools & Utilities

• 'docker run' Command Generator - enter your container details and generate a docker run command
• YAML to JSON Convertor - the classic
• Kubernetes Manifest Cleaner - remove cluster-specific info from your Kubernetes manifests, similar to kubectl get --export
• See all tools →