Rolfe DH

Create training videos quickly and easily

Training videos are a great way to share your knowledge and skills with your audience, whether they are your employees, customers, students, or followers. However, creating training videos can be time-consuming and challenging, especially if you don’t have the right tools and techniques. Here, I’ll give you an overview of the steps and best practices…More

Getting minikube up and running

After I’ve gotten podman running, I want to start using minikube: Looking at line 5, I see that starting minikube bombed. I must enable a non-root user like minikube to run podman. How do that? From line 6, I copy the suggestion, rolfedh ALL=(ALL) NOPASSWD: /usr/bin/podman and open /etc/sudoers by using the visudo command, which…More

“podman is already the newest version”, but I’m still getting “Command ‘podman’ not found”

Problem and solution Problem: After installing podman, I my sistem can’t find it: Uninstalling and reinstalling podman in a variety of ways didn’t didn’t fix the problem. The output always included a podman is already the newest version statement: Solution: Finally, I found one particular way of reinstalling podman that worked: Now, podman just works.…More

What’s the difference between Vale Server and Vale CLI?

With Vale Server, you can use Vale CLI’s style-checking capabilities in editors such as Visual Studio Code, Atom*, Sublime Text, Google Docs, and Chrome. On your system, you run Vale CLI and Vale Server. In your editor, you run a Vale client that connects to Vale Server and displays style feedback while you’re editing the…More

Installing Vale CLI

Vale CLI is a style linter you can use to improve your writing style. Here’s a quick oveview: What is the Vale CLI style checker. After you install Homebrew, which can be a little tricky, you install Vale CLI by running the brew install vale command: $ brew install vale ==> Downloading https://ghcr.io/v2/homebrew/core/vale/manifests/2.15.5 ######################################################################## 100.0% ==>…More

What is the Vale CLI style checker

Vale CLI is a free open-source style linter you can use to improve the quality of your writing. It’s somewhat like (but different from) the grammar and spell-checkers you find in Google Docs, Microsoft Word, or Grammarly. Unlike those tools, Vale is designed to work with simple text files that contain a variety of common…More

Installing Homebrew on Linux Mint and Ubuntu systems

Homebrew is a command line utility that makes installing software easier because it does a good job of installing any dependencies for you. Unfortunately, users sometimes run into trouble while installing Homebrew. Here, I show you how to perform the “default” installation that Homebrew recommends on the home page of its website. Open Terminal and…More

Diagrams help your readers understand. Chris Metz gives “A brief demonstration of Mermaid.js”

This episode is a video demo, which you can see here on Spotify or Vimeo. Chris Metz is a freelance solutions architect and tech writer with cloud and emerging technologies based in Danville, California, near the San Francisco Bay Area. In “A brief demonstration of Mermaid.js,” Chris shows us how to use Mermaid.js to…More

Write Open Source podcast: Jim Angel, Infrastructure Cloud Consultant at Google, on how NOT getting a $1/hr raise launched his tech career

In this podcast, I talk with Jim Angel, who volunteers as a Kubernetes Member/Contributor and Cloud-Native Ambassador and leader in the Kubernetes Docs SIG. In this podcast, he describes how he got started in tech, talks about the localization program for Kubernetes docs, and discusses changes in the leadership of the Kubernetes Docs SIG. You…More

Diagrams-as-code for Kubernetes.io

Mermaid is a Javascript-based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. The main purpose of Mermaid is to help documentation catch up with development. https://github.com/mermaid-js/mermaid In my recent interview with Tim Bannister, Tim encouraged contributors to create more diagrams for the Kubernetes docs based…More