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Linux system administrators have various tasks, one of their important tasks is to improve Linux system security, manage users, and access user login in Linux. Since system administrators are responsible for fixing the problems of the Linux operating system and protecting the Linux system from intrusion and unauthorized access, disabling user login Accessibility in Linux […]

To reinstall Ubuntu Linux, visit the official Ubuntu downloads page, download the desired version for reinstall, create a Bootable USB in Ubuntu, and reinstall Ubuntu from the USB drive at the system restart and via BIOS settings. Reinstalling Ubuntu is helpful in resolving potential problems and optimizing system performance after installing Ubuntu. When you face […]

Setting up the server with SSH protocol is one of the security measures of server and network administrators to encrypt the communication between the server and the client in an insecure network. Controlling and monitoring failed SSH login attempts in Linux is one of the most important tasks of Linux VPS administrators, The importance of […]

MySQL is one of the most popular and practical database management systems that serves as an open-source relational client-server model for websites and server applications. It also uses SQL (Structured Query Language), which is the most common standard language for accessing databases, to manage its data. MySQL is one of the important components of the […]

Knock-Knock! Do you need to protect your Linux system from automated port scanners to secure the SSH server? Join us with this guide to learn How to Use Port Knocking in Linux to Secure SSH Server. By creating a connection attempt on a set of predetermined closed ports, port knocking is a technique used in […]

Creating a file to store and organize data is one of the tasks of Linux users. We usually create an empty file and then import or transfer content to that file, We all do this to organize data. But sometimes the developers need a file of a specific size in special situations such as troubleshooting […]

Ruby is one of the most popular open-source, object-oriented, dynamic, and general-purpose programming languages, which is very similar to a spoken language due to its simple syntax. The advantages of the Ruby programming language have made it popular among developers in various fields such as web/application development, data analysis, and memory management. The most important […]