SysAdmin

Linux swap files enable managing memory-intensive workloads by moving inactive files from RAM to a swap file. Learn how swap space works and how to create Linux swap files.

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.

Since macOS is a POSIX compliant UNIX operating system, most of its command-line syntax is the same or similar to Linux. However, macOS also features system-specific commands designed to help users manage their machine's hardware and software. This article presents a comprehensive list of Mac terminal commands, alongside a downloadable PDF cheat sheet for easy reference.

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.

Veeam Backup & Replication protects your data by performing backup, replication and recovery operations. Follow the steps in this guide to install the solution using the wizard.

This article discusses the differences between a dual-core and quad-core CPU, helping you choose the right processor for your needs.