DevOps and Development

This tutorial shows how to set a temporary or permanent environment variable using the Z shell, and print the variable values.

This article explains how to fix the wget: command not found error. It contains instructions for installing Wget on multiple Linux distributions.

The bash eval command evaluates and executes strings as shell commands. This guide shows how to use the eval command in Bash.

This guide utilizes examples of Bash scripts to show how you can use different operators to increment and decrement a variable in Bash.

This guide explains how to use the Bash shell to append text to an existing file without overwriting its contents.

This article explains how to install and downgrade to previous Node.js versions using the nvm tool.

If the software you want to install comes in a form of a deb package, you may be wondering how to extract it. This article shows you several different ways of dealing with deb packages. Find all the steps you need to take to install deb packages, along with how to remove deb packages after installing.

When maintaining a node or manually scaling a cluster, administrators may have to use the kubectl interface to delete pods. This tutorial shows how to remove all the pods from a node by evicting it and how to remove individual pods via kubectl.

Cloud Foundry and Kubernetes are two popular containerization platforms used for cloud-based operations. This article compares the two platforms and offers advice on choosing the right one for your needs.

Ansible is an open-source Infrastructure-as-Code tool for infrastructure automation and application deployment. In this article, you will learn how to install Ansible on Rocky Linux, a popular, RHEL-compatible, enterprise-ready CentOS alternative.