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John O'Connor
John O'Connor

312 Followers

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Jun 10, 2022

Repeatable Dev Environments with Docker and VSCode

A How-To for using Docker and VSCode to skip the setup and get straight to coding — “It works on our machine” — your team members. . .hopefully When you’re bringing a new team member onto your team, one of the first things they’ll likely do is jump into the “readme” and start getting their development environment set up. This is often the time when a project…

Docker

5 min read

Repeatable Dev Environments with Docker and VSCode
Repeatable Dev Environments with Docker and VSCode
Docker

5 min read


Published in CodeX

·Apr 5, 2021

This is an Article Written by AI

This article was written by artificial intelligence. I know that might seem odd, but take a deep breath and bear with me. There are a lot of misconceptions about artificial intelligence out there. Here are the facts: Nobody is in control of this article. I am just an algorithm that…

Artificial Intelligence

2 min read

This is an Article Written by AI
This is an Article Written by AI
Artificial Intelligence

2 min read


Published in The Startup

·Oct 21, 2020

Quick Fix: Sharing Persistent Disks on Multiple Nodes in Kubernetes Using NFS

In this quick fix, I’ll show you how to use a single-write, multi-read persistent block storage(ie: Google Persistent Disk or Amazon Elastic Block Store Volume) to store data on multiple nodes in a Kubernetes cluster using NFS. Introduction When you create a Kubernetes cluster, you have a few options for storing…

Kubernetes

10 min read

Quick Fix: Sharing Persistent Disks on Multiple Nodes in Kubernetes
Quick Fix: Sharing Persistent Disks on Multiple Nodes in Kubernetes
Kubernetes

10 min read


Published in The Startup

·Aug 19, 2020

Your Let’sEncrypt Certificates Could Be Leaking Your (Company) Secrets

Let’s Encrypt is a fantastic service that allows anyone to generate an SSL certificate for their domain for FREE. It’s backed and funded by the biggest players in the industry, with the goal of creating a more secure Internet by enabling “SSL Everywhere”. Many developers use it to generate certificates…

Kubernetes

6 min read

Your Let’sEncrypt Certificates Could Be Leaking Your (Company) Secrets
Your Let’sEncrypt Certificates Could Be Leaking Your (Company) Secrets
Kubernetes

6 min read


Published in The Startup

·Jul 10, 2020

Quick Fix: Mounting a ConfigMap to an Existing Volume in Kubernetes Using Rancher

In this quick fix, I’ll detail how I FINALLY solved an issue that’s been plaguing me for quite some time: Mounting a single file stored in a ConfigMap into an existing directory in a Docker container on Kubernetes. Introduction When I build applications to deploy with Docker, I expose configuration options…

Kubernetes

4 min read

Quick Fix: Mounting a ConfigMap to an Existing Volume in Kubernetes Using Rancher
Quick Fix: Mounting a ConfigMap to an Existing Volume in Kubernetes Using Rancher
Kubernetes

4 min read


Mar 24, 2020

Notes on Running GUI Applications in Docker

I love Inkscape. It’s one of my favorite vector graphics programs. And when XQuartz (the X-11 window manager for Mac) stopped being supported, I couldn’t run it on my Mac anymore. That made me sad. I love Inkscape. It’s one of my favorite vector graphics programs. And when XQuartz (the…

Docker

3 min read

Notes on Running GUI Applications in Docker
Notes on Running GUI Applications in Docker
Docker

3 min read


Jul 19, 2019

Bitcoin Q&A

Responses to Bitcoin Interview Questions I recently did an interview with Ryan Ringer, a computer science student and technologist, in which I answered questions about Bitcoin. Below are some of my answers to his questions. RR: Why is bitcoin of any value? JO: This is a simple question with a…

Bitcoin

7 min read

Bitcoin

7 min read


Feb 22, 2018

Mastering Bitcoin PDF with ASCIIDoctor and Docker

Mastering bitcoin is a modern masterpiece. It describes, in easy to understand terms, how Blockchain and Bitcoin work from a fundamental level as well as a very detailed technical level. When you have a moment, purchase the book and support the very worthy author, Andres Antonopolous. However, in the spirit…

Docker

3 min read

Docker

3 min read


Published in Center for Open Source Data and AI Technologies

·Feb 6, 2018

Painless Container Management with Rancher 2.0, Kubernetes, and IBM Cloud

Part one of becoming a Jolly Rancher® — In this first of a 3-part series on container orchestration with IBM Cloud and Rancher, we’ll take a sneak peek at Rancher 2.0, a visual container orchestration and management tool. …

Docker

12 min read

Painless Container Management with Rancher 2.0, Kubernetes, and IBM Cloud
Painless Container Management with Rancher 2.0, Kubernetes, and IBM Cloud
Docker

12 min read


Aug 31, 2016

Prioritizing Your User Stories with the MoSCoW Method

Whether you’re working on a small toy app just for fun or conquering the “Next Big Idea™”, writing and prioritizing your user stories should be your very first step. Prioritizing helps you figure out which tasks you should be working on first. If you’re working on a contract basis, prioritizing…

Agile

5 min read

Agile

5 min read

John O'Connor

John O'Connor

312 Followers

Entrepreneur. Engineer. Educator.

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