Blog

Cancel a Git Commit Janne Kemppainen | October 26, 2021

Did you commit and push something that you didn’t intend to? Don’t worry, it’s quite simple to fix!

Edit Kubernetes Secrets Janne Kemppainen | October 15, 2021

Has your API key changed? Maybe you need to update a TLS certificate? There are many reasons why you’d want to edit secrets in Kubernetes. Luckily, this is relatively simple.

What ChatOps Solutions Should You Use Today? Janne Kemppainen | September 27, 2021

Over the years we have seen many tools that enable communication with computer systems using a chat interface. Many of them are now obsolete as their development has ceased, though they still seem to be recommended everywhere. What are the tools that you should use today?

Use Inquirer.js to Create a Conversational CLI User Interface Janne Kemppainen | September 24, 2021

Your CLI apps don’t have to be boring. Especially when there are plenty of possible configuration options, and the program is not going to be executed from a script, it might be better to provide a conversational user experience.

Should You Switch to Colemak? Janne Kemppainen | August 25, 2021

You may have been pondering with the idea of switching away from QWERTY to a superior keyboard layout such as Colemak or Dvorak. But is it worth the trouble, especially if you’re a programmer?

Create GitHub Actions Workflows with a CLI App Janne Kemppainen | August 23, 2021

GitHub Actions workflows are defined as YAML files that can contain various configurations. Sometimes it can be difficult to remember all the available options. That’s why I created a handy little tool called Actions Workflow!

Write a Bash Command That Fails Randomly Janne Kemppainen | August 12, 2021

Usually you want the commands that you run to succeed. Though sometimes it might be useful to make them fail randomly for test purposes.

Run Selected Python Unit Tests from the Command Line Janne Kemppainen | August 7, 2021

It doesn’t always make sense to run the full suite of tests when you’re developing a part of a program. So how can you run only a portion of your Python unit tests on the command line?

Make an NPM Package Executable with npx Janne Kemppainen | August 2, 2021

You may have used the create-react-app package and thought that you’d like to make your own NPM package work in the same way with npx. It’s actually quite easy.

Add Videos to a GitHub Repo Readme Janne Kemppainen | July 29, 2021

When you create something cool and interactive what better way is there to demonstrate it than through video?

Configure Nextcloud Behind a Cloudflare Tunnel Janne Kemppainen | July 24, 2021

When you set up a private Nextcloud installation on your home server and want to have it accessible from the outside network you traditionally need to poke a hole in your NAT and set up dynamic DNS to be able to find the correct IP every time. With Cloudflare Tunnel you can connect to your server without ever exposing your IP address to the world.

Run GitHub Actions on Issue Comments Janne Kemppainen | July 23, 2021

GItHub Actions lets you do all sorts of fun things with your CI pipelines. Issue comments are one of the many events that can trigger an action run, and they can be used to create some useful interactions.