The find command is a powerful tool for Linux system administrators and users alike. It allows you to search for files and directories within a directory hierarchy based on specific criteria. Whether you’re managing on-premises systems or cloud-based environments, mastering the find command can significantly improve your efficiency. In this article, we’ll explore the most common scenarios for using … Read more
Introduction In Linux, certain file and directory attributes can only be accessed or modified using specific commands. These attributes allow you to restrict file operations, such as preventing deletion or modification, even by the root user. This functionality is particularly helpful for securing critical files and directories. In this guide, we’ll cover two essential commands: … Read more
The wheel group is a special user group commonly used on Unix-based systems, including Red Hat Enterprise Linux (RHEL), to manage access to privileged commands. Users in the wheel group are granted the ability to execute commands as the superuser (root) by using the sudo command. This guide explains how to add a user to the wheel group and … Read more
Managing user account password expiration is an essential task for Linux system administrators to ensure system security and compliance with organizational policies. The chage command is a powerful tool that allows you to view and modify password expiration settings for user accounts. In this guide, we’ll explore how to check password expiration details, set expiration dates, and … Read more
The yum history command is a powerful tool for system administrators to track and manage package installation and updates on Linux systems. This command provides detailed information about all Yum transactions, making it easier to troubleshoot issues, roll back changes, or audit system modifications. In this guide, we’ll cover how to use the yum history command, interpret its output, … Read more
A kernel panic is a critical error that occurs when the operating system detects an issue at the kernel level, causing it to freeze and stop functioning. While it may sound alarming, understanding what causes a kernel panic and how to address it can help you resolve the issue calmly and effectively—whether you’re working with … Read more