System Administration

Articles marked as System Administration are usually geared towards Linux security, networking, server configuration, virtualization, and similar topics.

 

At Linux Nightly, we’re always auditing our Linux servers and desktops, and looking for ways to improve performance and security. In these guides, we share some of the helpful things we’ve learned.

Bind Process to a Network Interface With Namespaces

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 …

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How to Use Visual Studio Code – Live Share Extension

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 …

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How to Add User in Linux

In this tutorial, you will see how to create a new user in Linux from command line and GUI. Add User From Command Line To create a user in Linux you can either use adduser or useradd. The main difference between these two commands is that adduser is more user-friendly, whereas the useradd command is …

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Allow Port Through Firewall in Ubuntu 20.04

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 …

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How to Disable (or Enable) Firewall in Ubuntu 20.04

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 …

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Download Linux

The links below will take you directly to the download pages of some of the most popular Linux distributions. All distros in this list are completely free to download and use. Not sure which one to choose? Check below the link table to find out more about each distribution and to learn about Linux in …

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