System Administration

To access the contents of an ISO file in Linux, you will need to mount it. In this tutorial, you will learn how to mount an ISO file using command line and GUI. Mount ISO File via Command Line Step 1. Create an empty directory where you would like to mount your ISO file, unless […]

Network namespaces are a feature baked into the Linux kernel that allows users to virtualize aspects of a system’s networking. This feature comes in handy in many scenarios, one of which is to bind a process to a particular network interface. Normally, the IP routing table is used to determine which interface outbound traffic is

As a backend developer, sometimes you have to work with other people who have no knowledge of how to prepare the environment to work with for a certain project, which requires downloading a repository, preparing the environment, working with databases, and other requirements. The problem is how can you make them collaborate with certain parts

This guide will show you how to install the KDE Plasma desktop environment on Ubuntu Linux. This process will work if you are switching from GNOME to KDE, or just need to install KDE Plasma on an Ubuntu server that doesn’t currently have a GUI. KDE Plasma Packages on Ubuntu When installing KDE Plasma from

Ubuntu is a great distro for developers. Python programmers will need to install Python on the system before it’s possible to code programs and run Python scripts on Ubuntu. This tutorial will show you how to install Python 2 or Python 3 on Ubuntu 20.04. Install Python 3 on Ubuntu Python 3 is the latest

VirtualBox Guest Additions will help you get the most out of your Kali Linux virtual machine. It gives you automatic resolution scaling, a shared clipboard between the host and VM, and drag and drop ability. The step by step instructions below will explain how to install VirtualBox Guest Additions on Kali Linux. Kali Linux will

This guide will show how to upgrade to Debian 11 Bullseye, which is the latest version of the operating system, released on August 14, 2021. Upgrade to Debian 11 Bullseye Step 1. You’ll need a completely up to date system in order to start the upgrade. Open a terminal and type the following commands to

This guide will show how to upgrade to Ubuntu 22.04 Jammy Jellyfish, which is the latest LTS version of the operating system. Canonical releases new LTS (long term support) versions of Ubuntu every two years, in April. They also release interim editions every six months. It’s always recommended that you keep Ubuntu up to date

Ubuntu comes with ufw (uncomplicated firewall) installed by default. This is a frontend for iptables/nftables, the built-in Linux firewall, and is meant to make firewall management a bit easier. In this guide, you’ll see how to add rules to the firewall to open ports and allow certain services to have access through the firewall on

Ubuntu comes with ufw (uncomplicated firewall) installed by default. This is a frontend for iptables/nftables, the built-in Linux firewall, and is meant to make firewall management a bit easier. Stop/Disable Firewall in Ubuntu If you find the Ubuntu firewall interfering with connections on your system, one option is to disable the firewall completely. Warning: it’s