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All of us spend a lot of time navigating the browser with different goals and sometimes when entering the web address in the Windows system browser, you encounter the message “DNS server not responding” which disrupts the connection of the browser to the Internet and the site. Encountering the error of the DNS server not […]

MySQL comes with a default configuration that is perfect and enough for users who are hosting their website and MySQL server on a Linux system. What if you wish to connect other systems and users to your MySQL server? This article helps you learn How to Allow Remote Connection to MySQL in Linux. When you […]

Managing data and files is one of the tasks of Linux system administrators for their better performance in the direction of their goals. Managing data and files in Linux systems is not as simple as you think. Linux includes various standard files such as Symbolic link, Regular, Directory, Block special, FIFO special, and Character special, […]

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 […]