A comprehensive guide to Docker storage mechanisms, including volumes and bind mounts, with practical examples to demonstrate persistent data management in containerized environments.

*Initial article: April 28th 2023 - see below for an update*

A comprehensive, step-by-step guide to setting up a multi-node Kubernetes 1.29 cluster using kubeadm, including master and worker node configuration, networking with Calico, and essential add-ons installation.

A comprehensive guide to implementing and understanding Kubernetes Network Policies, with practical examples using Kind and Calico.

A comprehensive exploration of Kubernetes Service Accounts, their role in RBAC, and how to effectively use them in your cluster.

I'm running an AWS Lightsail instance and I want to only be able to SSH to it from devices connected to my [Tailscale](https://tailscale.com/) netw...

Say you have a workflow that runs hourly, but once a day you want the workflow to run slightly differently - without duplicating the entire workflow.

An in-depth exploration of ClusterRoles and ClusterRoleBindings in Kubernetes RBAC, with practical examples and key insights for effective implementation.

Here's the pattern I figured out for using the [openai](https://github.com/openai/openai-python) Python library to extract structured data from tex...

A practical guide to implementing and understanding Role-Based Access Control (RBAC) in Kubernetes, with step-by-step examples and explanations.

A comprehensive guide to understanding and implementing authentication and authorization in Kubernetes, including practical examples and best practices.

I used to use a combination of `actions/setup-python` and `actions/cache` in all of my Python GitHub Actions projects in order to install Python de...

A comprehensive guide to using JSONPath and advanced kubectl commands in Kubernetes, with practical examples relevant to the Certified Kubernetes Administrator (CKA) exam.

A comprehensive guide to troubleshooting worker node failures in Kubernetes, with practical examples and strategies relevant to the Certified Kubernetes Administrator (CKA) exam.

An in-depth guide to troubleshooting Kubernetes cluster component failures, with a focus on techniques relevant to the Certified Kubernetes Administrator (CKA) exam.

A comprehensive guide to troubleshooting application failures in Kubernetes, focusing on techniques and strategies relevant to the Certified Kubernetes Administrator (CKA) exam.

A comprehensive guide to implementing monitoring and logging in Kubernetes clusters, including the installation of Metrics Server and best practices for observability.

A comprehensive guide to backing up and restoring ETCD in Kubernetes clusters, including step-by-step instructions and best practices for disaster recovery.

A step-by-step guide to safely upgrading a multi-node Kubernetes cluster using kubeadm, including best practices and troubleshooting tips.

A comprehensive guide on generating, managing, and working with TLS certificates in Kubernetes, including creating CSRs, approving them, and retrieving certificates.

A comprehensive guide to deploying applications, creating services, and exposing them to the external world using Kubernetes Ingress, with practical examples and best practices.

A comprehensive exploration of Kubernetes networking concepts, Container Network Interface (CNI), and practical demonstrations of network namespaces and veth pairs.

An in-depth exploration of CoreDNS in Kubernetes, its role in service discovery, and how it enhances cluster networking capabilities.

This is a follow-up to [Running nanoGPT on a MacBook M2 to generate terrible Shakespeare](https://til.simonwillison.net/llms/nanogpt-shakespeare-m2).