A comprehensive guide to integrating HashiCorp Vault with CoreDNS for secure DNS resolution, dynamic secrets management, and certificate automation in modern infrastructure.

A comprehensive guide to implementing a DNS sinkhole for blocking malicious domains, advertisements, and tracking at the network level using various technologies and approaches.

A complete guide to building an automated API inventory system that discovers, documents, and manages all APIs across your organization's infrastructure.

A complete guide to building a robust API monitoring script with health checks, performance metrics, alerting, and comprehensive logging capabilities.

A comprehensive guide to implementing two-factor authentication for SSH using Google Authenticator, enhancing server security with time-based one-time passwords (TOTP).

A comprehensive guide to using Podman Quadlet for container management, enabling systemd-native container deployment with automatic updates, dependencies, and lifecycle management.

A comprehensive guide to managing multiple GitHub accounts on a single machine using SSH keys, Git configuration, and URL rewriting for seamless account switching.

A comprehensive, production-ready guide for deploying CoreDNS and Smallstep CA on Fedora CoreOS using Podman Quadlet, providing secure DNS and certificate management without Kubernetes.

A comprehensive guide to deploying CoreDNS and Smallstep CA on Kubernetes using Podman Quadlet, providing secure DNS and certificate management for your Kubernetes infrastructure.

A comprehensive guide to installing kubectl on Fedora CoreOS (FCOS), covering both RPM-based installation and binary installation methods with best practices.

A comprehensive guide on adding and managing Certificate Authority (CA) certificates in Podman environments, including integration with custom PKI infrastructure and automated workflows.

A complete guide explaining how to use Podman as a Docker alternative with Kubernetes, including manifest generation, image management, and development workflows.

A comprehensive shell script for creating and managing a complete Certificate Authority infrastructure including Root CA, Intermediate CA, and server certificates with automated certificate chain generation.

I needed a name for my new Python CLI tool.

A comprehensive guide to managing Git identities and rewriting commit history, including changing author information, handling multiple identities, and best practices for safe history manipulation.

A comprehensive guide for installing and configuring Ansible and Java 8 on Ubuntu 20.04, including setup for managed nodes, security best practices, and testing procedures.

I just watched a talk by [Pamela Fox](https://www.pamelafox.org/) at [North Bay Python](https://2023.northbaypython.org/) on Automated accessibilit...

Today while running `datasette publish cloudrun ...` I noticed the following:

Ingredients (serves 2)

I continue to seek a solution to the Python sandbox problem. I want to run an untrusted piece of Python code in a sandbox, with limits on memory an...

I've been puzzling over this one for a couple of years now, and I finally figured out the solution.

I needed to write a relatively repetitive collection of tests, for a number of different possible error states.

I decided to create a new desktop background for my Mac using [Midjourney](https://midjourney.com/). My laptop has a 16:10 aspect ratio and a retin...

My [TIL website](https://til.simonwillison.net/) has social media card images to make links shared from it look slightly more interesting when shar...