SysAdmin

Docker is a virtual container management platform that speeds up and improves application development and deployment. This tutorial shows how to install Docker on Debian, using the OS repositories, the official Docker repository, or DEB packages.

This tutorial presents three different methods for installing GCC on Windows. GCC is an open-source compiler system that supports multiple programming languages.

WSL enables users to run Ubuntu and other Linux instances on Windows machines, without creating separate VMs or dual booting. This article shows how to upgrade an Ubuntu 22.04 LTS to the newer 24.04 release.

This tutorial provides 20 most commonly used rsync commands for all data synchronization scenarios.

Learn how to install Git on Mac with four different installation approaches and get started with using the system. Configure Git and see how to track and commit changes.

The ip command is a Linux tool for system and network administrators used for configuring network interfaces. Learn about the important operations the ip command can perform.

UFW is a simple interface implemented on top of iptables that provides an easier way to configure a firewall. Use it to define rules of communication to and from a server and ensure your Ubuntu is protected.

This detailed guide shows you how to download and install Hadoop on a Ubuntu machine. It also contains all the configuration files you need to set up Hadoop in a single-node cluster.

DNS cache can be corrupted for a number of different reasons, including network attacks or viruses. When that happens, IP address mapping becomes corrupted for certain popular websites. Learn to clear DNS cache on your system and resolve potential issues.

Composer is an application that tracks dependencies for a project, allowing you to specify a set of libraries for a specific project. It identifies the versions and dependencies and installs them to the project. This guide will help you install and get started with Composer in Ubuntu.