This is my digital command book for kubectl commands to interact with K8s clusters. This is a work in progress and will be updated with more detail + descriptions as I go. kubectl command book Ba...

Locking Down Tag-Based Releases from Environments As a DevOps engineer, I’ve always found tag-based releases to be a powerful tool for managing deployments across multiple environments. They offer...

I learned about a nifty ForEach() powershell method when looping through an array. You can call it on a collection and pass a script block to it! Context: I was recently reading the new docs for G...

Relative paths are interpreted differently in .NET methods than in PowerShell. Problem I encountered an error when working with the .NET namespace System.Security.Cryptography.X509Certificates. De...

CCNA Commands Here’s a PDF of the command book I created to pass the CCNA 200-301. I will one day convert this into an easy to read Markdown format, but for the time being, I’ve left it downloadab...

What is OSPF? Open Shortest Path First (OSPF) is a link-state routing protocol that uses the Dijkstra’s Shortest Path First (SPF) Algorithm to calculate the best paths through the network. OSPF i...

Spanning Tree Protocol Imagine you are a switch. You are connected to another switch, and both of you are connected to a third switch. If you send a broadcast message to the internet, it will go th...