Jessica Cherry
Open Source Way
Raleigh, NC, United States
Contact Jessica
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Past articles by Jessica:
Write code inspired by Shakespeare with esolang
Maybe you've heard that playwright William Shakespeare contributed 1,700 new words to the English language. But did you know that he has an entire programming language as well? SPL (Shakespeare programming language) was created to make source code resemble Shakespeare plays. It is an esoteric language, also known as an esolang. An esolang is a computer programming language designed to experiment… → Read More
How I made an automated Jack-o'-lantern with a Raspberry Pi
Here's my spooktacular recipe for the perfect pumpkin Pi. → Read More
What I love about OpenStreetMap
This month is the 16th birthday of OpenStreetMap (OSM), a community-owned collaborative geographic database of the world. → Read More
Contribute to OpenStreetMap from your phone
StreetComplete is an open street map editor used for mapping in the field while on an Android phone. → Read More
Play Doom on Kubernetes
Terminate pods while having fun by playing Kube DOOM. → Read More
What happens when you terminate Kubernetes containers on purpose?
In this series celebrating Kubernetes' 11th birthday, I've introduced some great tools for chaos engineering. In the first article, I explained what chaos engineering is, and in the second, I demonstrated how to get your system's steady state so that you can compare it against a chaos state. → Read More
Test arbitrary pod failures on Kubernetes with kube-monkey
Kube-monkey offers an easy way to stress-test your systems by scheduling random termination pods in your cluster. → Read More
Test your Kubernetes experiments with an open source web interface
Have you wanted to cause chaos to test your systems but prefer to use visual tools rather than the terminal? Well, this article is for you, my friend. → Read More
Test Kubernetes cluster failures and experiments in your terminal
Do you know how your system will respond to an arbitrary failure? Will your application fail? Will anything survive after a loss? If you're not sure, it's time to see if your system passes the Litmus test, a detailed way to cause chaos at random with many experiments. → Read More
6 open source tools for wedding planning
Create the event of your dreams with open source software. → Read More
A step-by-step guide to Knative eventing
In a previous article, I covered how to create a small app with Knative, which is an open source project that adds components to Kubernetes for deploying, running, and managing serverless, cloud-native applications. In this article, I'll explain Knative eventing, a way to create, send, and verify events in your cloud-native environment. → Read More
7 ways open source was essential to business in 2020
The COVID-19 pandemic created many new challenges for businesses in 2020 as they rapidly moved non-essential workers to remote operations. However, it also created tremendous opportunities for innovation as people searched for effective ways to work and collaborate virtually. → Read More
Analyze Kubernetes files for errors with KubeLinter
KubeLinter is an open source project released by Stackrox to analyze Kubernetes YAML files for security issues and errant code. The tool covers Helm charts and Kubernetes configuration files, including Knative files. Using it can improve cloud-native development, reduce development time, and encourage DevOps best practices. → Read More
Catch up on these 4 virtual events from 2020
If you missed everything in 2020, the good news is you can still watch it. → Read More
4 considerations for getting started with CI/CD in 2021
In 2020, Opensource.com's articles about continuous integration and continuous delivery (CI/CD) aimed to help you rethink your infrastructure with continuous delivery. If you're new to the CI/CD way of doing things or you need a refresher, read on for summaries of the top four CI/CD articles of 2020. → Read More
How to cope with virtual meeting fatigue
Throughout much of 2020, virtual meetings have been a major part of our lives. This is new for many of us—while we may have participated in webinars or other virtual meetings on occasion, we have never relied on our webcams for doing our day-to-day work. → Read More
How to upgrade to Terraform 0.12
In getting started with Terraform, I used Terraform version 0.11. As some readers pointed out, this version lacks some significant features, so in this article, I'll explain how to update Terraform to the more feature-rich version 0.12. → Read More
Manage multiple Terraform versions with tfenv
In my Terraform for Kubernetes beginners article, I used Terraform 11, and in an upcoming article, I'll cover upgrading from Terraform 11 to 12. To prepare for that, in this article, I'll show you how to use tfenv, a tool that makes it much easier to convert from one version to another, as well as to manage multiple Terraform versions in your work environment. → Read More
Create your first Knative app
Knative is an open source community project that adds components to Kubernetes for deploying, running, and managing serverless, cloud-native applications. It enables more productive development with less interaction with Kubernetes' infrastructure. → Read More
Set up Minishift and run Jenkins on Linux
Minishift is a tool that helps you run OKD (Red Hat's open source OpenShift container platform) locally by launching a single-node OKD cluster inside a virtual machine. It is powered by Kubernetes, which is one of my favorite things to talk about. → Read More