DevOps and Development

Docker offers two commands for copying content into a Docker image using Dockerfile: COPY and ADD. This article explores the similarities and differences between the two instructions and advises you which one to use.

Docker is a popular container-based platform. Learn all about Docker, its components and how it works.

This article outlines the basic commands needed to create a Git branch. A Git branch allows you to work on features independently. You can use it to review code and perform targeted testing on a feature branch without affecting your core systems.

Node.js is a software application that runs JavaScript code. It’s typically used for running scripts on the server to render content before it’s delivered to a web browser. NPM stands for Node Package Manager, an application and repository for developing and sharing JavaScript code. This guide will show how to install and update Node.js and NPM on a Windows system.

This article shows how to SSH into a running Docker container. Docker's exec, attach, and run commands are the preferred methods to connect to a running container, but traditional SSH is also an option. This article explains all the options.

Applications written in different Python versions are not all compatible with different program versions. This guide shows how to find which Python version is installed on your system and adjust your code accordingly.

Pip is a Python package manager allowing users to connect to an online repository of public packages. This tutorial shows how to install pip on macOS.

Python is a popular programming language used to write scripts for operating systems, but also web development and app design. This tutorial guides you through the steps of installing Python 3 on Ubuntu 20.04 or 22.04.

Kubernetes is a management platform for OCI compliant containers. It provides a way to balance loads between containers and run containers across multiple systems. This guide will walk you through installing and deploying Kubernetes on Ubuntu 20.04.

As the containerization becomes the norm in DevOps world, Docker's competitors start to emerge. This article will compare two container management engines - Docker and Podman. It will also help you choose the right engine for your needs.