SysAdmin

Proxy servers are commonly found on local business networks, providing an additional security layer. Among personal users, they are popular because they help increase privacy and speed. This tutorial shows how to set up a proxy on Ubuntu.

This guide will show you how to install Terraform on Windows, Linux, and macOS. Choose the section for your OS and follow the instructions.

KVM (short for Kernel-based Virtual Machine) is a Linux kernel module which enables creating and running virtual instances of other operating systems on a Linux machine. Learn how to set it up in this simple tutorial.

This tutotial shows you how to use the whoami command to find the name of the effective user on a Linux system.

The Domain Name System (DNS) translates text-based domain names to numeric IP addresses. Most networks are configured to work with DNS servers provided by the ISP. This tutorial shows you how to change DNS addresses in Ubuntu.

Node.js is a popular back-end JavaScript runtime used for creating web servers and scalable network apps. NPM is a package manager for JavaScript and the default package manager for Node.js. This tutorial will show you how to install Node.js and NPM on MacOS.

Hostname is a unique identifier of a computer on a network. This tutorial details ways in which you can change your Ubuntu 20.04 machine's hostname, using command line or GUI.

Knowing which version is set up on the system is necessary when installing a Java-based app, since different applications require different Java versions. This guide shows you how to do so on macOS. In addition to the standard CLI approach, the article included GUI steps available for older Java versions.

The ifconfig command is still used to configure network interfaces, even though it is deprecated. Read this tutorial and learn how to fix the "command not found" error.

Java is a widely-used programming language, ideal for creating everything from lightweight mobile apps to desktop applications. This guide will walk you through the straightforward process checking the Java version on Ubuntu.