Docs

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 […]

Composer is a command line tool for dependency management in PHP, which facilitates the installation and updating of dependencies and PHP packages required by your project. Dependencies are packages or libraries that have already been created by developers and do not need to be rewritten.

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 […]

ls Command is a simple command used to display a list of files and sub-directories in Linux. Whether you are a Linux system administrator or a regular user, the ls command is one of the first ones you will use to see the content of a directory and the files in it.

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 […]

Although the operating systems perform the troubleshooting process automatically, sometimes you have to play a role in these troubleshooting processes manually. Perhaps for many users, especially beginners, troubleshooting the operating system is a difficult responsibility, while by reading several useful educational resources and learning without the need for technical expertise, you can easily fix operating […]

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 […]

As a Linux administrator, you must be able to troubleshoot system issues. So, log files that are created and stored by your Linux system, bring you all the helpful information about applications and boot processes. Log File in Linux will be explained in this article, and in the end, you will know everything about View […]

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 […]

Apache Tomcat is a free and open-source web server written in the Java program language. It implements the Jakarta Servlet, Jakarta Expression Language, and Web Socket technologies. In this article, you will learn How to Install and Set Up Apache Tomcat on Windows. While Tomcat is not a full JEE server, it is a java […]

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 […]