DevOps and Development

How to Increment and Decrement Variable in Bash

June 1, 2023

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

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How to Append to File in Bash

May 30, 2023

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

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How to Downgrade Node Version in Windows

May 25, 2023

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

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How to Install Deb Files (Packages) on Ubuntu


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.

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How to Delete Kubernetes Pods with kubectl

May 23, 2023

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.

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Cloud Foundry vs. Kubernetes: Side-by-Side Comparison

May 18, 2023

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.

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Install Ansible on Rocky Linux

May 10, 2023

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.

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ECS vs Kubernetes: What Is the Difference?

May 4, 2023

ECS and Kubernetes are two popular container orchestration solutions that differ in the use cases they cater to. This article compares ECS and Kubernetes and provides tips on how to decide which solution is best for you.

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How to Install Kubernetes on Rocky Linux

April 27, 2023

The server-centric and performance-oriented nature of Rocky Linux makes it a good choice for running containerized workloads. This article will guide you through installing Kubernetes, to help you manage app containers at scale on Rocky Linux.

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How to Build a Node.js App with Docker

April 21, 2023

This guide shows a step-by-step example to build a Node.js application with Docker.

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