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Linux users commonly use firewalls to improve the security of their Linux system, as you know, firewalls control network connections and incoming and outgoing network traffic. To prevent unsafe and unwanted traffic to the network, users can set rules in the firewall to limit or allow specific traffic. UFW, which stands for “Uncomplicated Firewall”, is […]

An easy way to secure nginx on Debian 10/11 is using a Certificate Authority called Let’s Encrypt. CA provides a method to obtain and install free TLS/SSL certificates. It also enables encrypted HTTP on web servers. The process of installing and obtaining certificates is fully automated on Nginx. Developed by ISRG, Let’s Encrypt is a […]

Once you install an Operating system, you need to plan to set up, configure, and customize it to meet your needs and work efficiently. In this article, you will learn What to Do After Installing Ubuntu. It is one of the most popular distributions since it is really easy to use and is the first […]

Squid Proxy is an open-source Unix-based proxy server that caches internet content closer to a requestor than its original point of origin. As the most popular proxy caching server, it will increase your response time and reduces bandwidth congestion because it caches frequently requested Web pages, media files, and other content. Squid Cache Server installation […]

Pleroma is an open-source social networking platform. This free and lightweight federated server is compatible with Mastodon and other ActivityPub implementations. In this article, you will learn How to Install and Configure Pleroma on Ubuntu. Pleroma consists of two components a backend (Pleroma) and Pleroma-FE which is a user-facing fronted. While Pleroma instances are deployed, […]

Nmap stands for Network Mapper. It is an open-source command line tool in Linux used for network exploration and security auditing. As a system administrator, you can use Nmap to scan networks and monitor host and service uptime.  In this article, you will learn How to Use Nmap Command in Linux to Scan Open Ports. […]

interface configuration, abbreviated as ifconfig, is a tool that provides network management in Unix/Linux operating systems. Through ifconfig, you can configure network interface parameters, check the status of active system interfaces, and define queries for network interface parameters. Also, by using the ifconfigh command, you can assign IP addresses to network interfaces, you will be […]

Fortunately, with the advancement of technology, several users can connect to a single Linux system and perform their tasks using the information available in that system. This feature has played an important role in the efficiency, and speed of carrying out projects and administrative tasks; but on the other hand, security has been weakened by […]

Previously, you learned about Manjaro Linux. It has a default package manager of Arch Linux as other Linux distributions. Manjaro Linux comes with different ways to add and remove Software. Pacman is a package manager that allows you to download, install, update, and uninstall software packages on an Arch Linux system. This article will discuss […]

An IP Address is a unique numerical representation of a computer on a network. When you set up a text-only and GUI-less CentOS server, you may need to configure static IP on it. So, join this article to learn How to Configure Static IP on RHEL/CentOS 8. This guide will teach you three different methods […]

As a pre-installed command in Linux, echo is a feature for printing out arguments as standard output. Using the echo Command in Linux with Practical Examples is what you will learn in this article. The echo command is one of the most frequently used commands in Linux that allows you to display messages as command […]

VNC, which stands for Virtual Networking Computing, is a remote connection system and sharing system that, with its emergence in the 1990s, provided remote access to the desktop graphical environment on a server for Linux systems similar to MSTSC on Windows.