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The Uncomplicated Firewall (UFW) is a user-friendly tool for managing firewall rules in Linux. Whether you are migrating servers, need to reinstall your operating system, or simply want to safeguard your configurations, backing up and restoring UFW is an essential skill.

Testing network speed is a critical part of diagnosing network issues or optimizing performance. On Linux, the command-line tool iperf3 is a robust and reliable solution for measuring bandwidth, latency, and packet loss.

Ubuntu Server, by default, is designed to operate without a graphical user interface (GUI), allowing it to run more efficiently in resource-constrained or remote environments. However, if you’re new to Ubuntu or prefer a graphical interface, you can install a desktop environment on Ubuntu Server.

Bash, the Bourne Again Shell, is a powerful command language interpreter that is widely used in Linux environments. Learning the syntax of Bash commands can help you perform a wide range of tasks, from basic file manipulation to advanced scripting. In this guide, we’ll explore essential Bash command syntax and cover 18 examples, moving from basic to intermediate levels.

Choosing the best small Linux distro in 2024 can feel overwhelming with so many options available. Lightweight Linux distributions are ideal for older computers, minimalists, or anyone looking to get more speed and efficiency from their machine. In this article, we’ll explore the lightest Linux distros to help you choose the right option for your needs.

The latest stable version of Fedora Linux, often regarded as the best Linux distro for polished and professional use, has been released a couple of hours ago, and is available for download. Sponsored by Red Hat, Fedora has a release cycle of approximately 6 months; it provides up-to-date versions of the most used free and open source software, and one of the best (if not the best), available “vanilla” GNOME desktop experience.

Bash scripting is a powerful tool for automating repetitive tasks, making it a core skill for anyone working with Linux systems. Among the essential techniques is managing variables that increment automatically, especially in loops or iterative processes.

In a world where static IP addresses are often an added expense, dynamic IP addresses can make managing domains a challenge. If your ISP assigns you a dynamic IP address, keeping your domain updated can be a hassle. This tutorial will walk you through creating a simple yet effective Bash script that uses Cloudflare’s API to update your domain’s DNS record whenever your IP changes.

In the world of operating systems, Linux stands out not only as a robust and versatile platform but also as a vibrant ecosystem with hundreds of unique distributions (often referred to as distros). Unlike proprietary systems, Linux is open-source and community-driven, meaning anyone can modify, improve, or create their own variant. This has led to a vast and dynamic landscape of Linux distributions, each with its own focus, strengths, and intended audience.

The Bash shell is one of the most powerful components of a Linux system, as well as one of the most compelling reasons to use Linux. Users can interact with Bash through the command line, and write scripts to automate tasks. Although this may sound intimidating to beginning users, it is not hard to get started with Bash scripting.

Saving scripts directly from the terminal is a fundamental skill for anyone working with Linux. This skill is particularly useful for automating tasks, managing configurations, or executing sequences of commands with ease. In this guide, we’ll walk you through the detailed steps to save and run a Bash script in Linux using the terminal.

Linux systems are often configured with strict password policies to ensure security, including enforcing minimum password length requirements. However, there may be scenarios where you want to allow shorter passwords, such as for testing environments or specific user needs.

Virtual Network Computing (VNC) is a powerful tool that allows you to connect to and control a remote desktop environment over the network. In this guide, we will walk through the process of setting up a VNC server on Ubuntu Linux, including installing a desktop environment, configuring the default session, and accessing it with a VNC client.

VNC (Virtual Network Computing) is a powerful tool that allows you to remotely access and control a computer’s desktop environment. This can be incredibly useful for managing servers, providing technical support, or simply accessing your system from a different location.

When working with shell scripts in Linux, understanding the appropriate file extension is crucial for efficient development and maintainability. One commonly asked question by new Linux users is, “What is the file extension of a shell script?” This article will answer that and cover all aspects of the bash file extension. You will also learn the different naming conventions, best practices, and how to make your bash script executable.

The bash sh command is a fundamental element in the world of Linux. Many new users and even some experienced ones often find themselves confused about the difference between bash and sh. While they are both command interpreters used to execute commands on Linux, they each have their unique features and use cases.

In Bash scripting, conditional statements like “if” allow you to execute code based on a given condition. However, there are often cases where you need to check multiple conditions at once, and this is where the AND operator comes in handy. Understanding how to use the AND operator in Bash can make your scripts more powerful and efficient.

Choosing the best Linux distro can be a daunting task with the sheer variety of options available. Whether you’re a beginner looking for the best Linux desktop distro, an intermediate user wanting more control, or a power user seeking the best Linux flavor, there is something for everyone in the Linux world.

YUM (Yellowdog Updater Modified) is a package management tool used in Linux distributions like Red Hat, CentOS, and Fedora to manage software installations, updates, and removals. Understanding where YUM installs packages and how to configure or control its behavior can help you manage your system’s software more effectively.

To open a port on Ubuntu, you’ll need to configure the default firewall, UFW (Uncomplicated Firewall). By default, UFW blocks all incoming connections. To allow traffic through a specific port, you must create a new firewall rule. This guide will help you understand how to open a port on Ubuntu using UFW, whether you’re allowing access for a specific IP address, network range, or general traffic.