Harry Hill

The chmod command in Linux changes file and directory permissions, controlling read, write, and execute access. It supports numeric and symbolic modes to manage permissions for owner, group, and others. 🤖AI Overview: The chmod command in Linux is fundamental for managing file permissions. It allows administrators to set access rights for owners, groups, and others […]

Editing files using a text editor requires taking time to open it first and then making changes to it. As a powerful text stream editor, the sed command in Linux enables you to do various tasks such as searching, finding, inserting, deleting, and replacing files without opening them. So, all the mentioned actions can be […]

If you are the administrator of a Linux system that several users use, one of your challenges is probably related to using common files and their unwanted editing and accidental deletion. Files in Linux have attributes such as permissions, read/write file content, etc., which provide security and control of files.

Providing an uninterrupted service in the network and getting optimal performance from the network is a desire that all managers are trying to fulfill. To achieve this goal, a network manager must continuously monitor network performance and use network diagnostic tools to detect connection problems, delays, and possible network performance problems and troubleshooting. Traceroute is […]

The IP address is the number used to identify your computer on networks and the internet. IP Address in Ubuntu is used to view the local IP address, default gateway, and DNS servers. There are two methods to Find IP Address in Ubuntu. In this article, you will learn how to use the Command line […]

We all interact more with files on our personal computers. Viewing and editing the contents of important files such as configuration files, log files, text-based documents, and scripts is essential for various purposes. Configuration files are used for changes in system settings and programs, and log files are essential for detecting errors and troubleshooting the […]

Linux is a powerful and versatile operating system that allows multiple users to use a single system by creating separate personal user accounts. In addition, in Linux distributions, users can switch between different user accounts without setting and exiting the system while maintaining security and privacy. Therefore, if needed, you can switch to different user […]

Sending Email from Command Line?! It must be interesting for Linux administrators, developers, and users. Join us with this tutorial to learn How to Send Email From Command Line to make easier this essential task of the digital age. Also, you will learn to send Linux email attachments with the help of mail commands. There […]

In the world of network and systems management, checking DNS servers and obtaining information about domain names, IP addresses, and various DNS records and mail exchanges is important for administrators. The dig (Domain Information Groper) in Linux is a powerful command line tool to retrieve information and query from the DNS server to get information […]

Clearing the system of useless files and data and clearing the storage disk of the operating system is one of our daily tasks. It may have happened to you that you don’t need file data, and on the other hand, creating a new file with correct permissions and ownership is a time-consuming and challenging task; […]

Chown Command in Linux changes file and directory ownership, essential for managing permissions and access control. It assigns new owners and groups to maintain secure file management. 🤖AI Overview: Chown Command in Linux changes ownership of files or directories, assigning new user and group owners. It requires superuser privileges and uses a simple syntax to […]

SSH stands for Secure Shell. It is a protocol that uses encryption to protect your sensitive data while transmitting over the network. So, SSH enables you to log onto a remote system securely and run commands on it. In this article, you will review the Main SSH commands in Linux with examples. For managing a […]