DevOps and Development

Although Kubernetes already offers many features to help working with containerized applications, the standard installation may not be enough for the users that depend on more use-case-specific features. This guide will introduce Kubernetes operators and the ways in which they can improve the essential Kubernetes experience.

This article explains how to install OpenCV in Ubuntu 20.04 and 22.04 in 4 different ways. Use OpenCV to power your machine learning and computer vision projects.

This article explains how to use sed to delete a line in a text file. Also, find out how to use patterns and conditions to delete multiple lines of text with a single sed command.

Kubernetes Ingress enables simpler load balancing, service discovery, and external connectivity management. This article teaches you to set up ingress in a MicroK8s Kubernetes cluster to test how it works and prepare for applying it to your production cluster.

This guide shows four different methods for writing data to a file in Bash. See examples for each method and elevate your scripting skills.

This tutorial provides multiple solutions for resolving the python: command not found error in Linux. The solutions include installing Python and editing symlinks and PATH variables.

The shebang line is the first line of a script that instructs the OS which interpreter to use to execute the script. This tutorial shows how to use the shebang line in Bash.

Git is a version control system that allows users to track changes in their code. One of the available features is the ability to change a Git commit message, and this step-by-step guide shows how to do that.

Bash associative arrays are a powerful way to store and retrieve data with key-value pairs. In this article, you will learn how to declare, access, and work with associative arrays in Bash.

Kubernetes uses the concept of Ingress to help users connect applications with resources available outside the cluster. This guide will provide you with essential information about the types and benefits of Kubernetes Ingress, alongside useful examples.