The Linux kernel is one of the most important components of the Linux operating system, acting as the core that manages hardware resources and provides essential services to user applications. In simple terms, it bridges the gap between hardware and software, ensuring efficient communication between the two. But what exactly...
Cgroups (control groups) are a Linux kernel feature that allows you to control and limit the resources (CPU, memory, I/O) that processes can use. This becomes crucial for system stability, especially when working with resource-hungry applications, containers, or virtual machines. How Cgroups Work Cgroups create hierarchical groups where processes...
On Unix and Linux systems, the superuser account—commonly referred to as root, admin, or supervisor—holds the highest level of authority, allowing for unrestricted system-wide changes. This account is primarily used for critical administrative tasks, such as modifying file ownership or managing network ports. However, there are times when...
To list open ports in Linux, you can use several commands depending on your needs. Here are some of the most common methods: 1. Using netstat netstat is a versatile tool for monitoring network connections. bashCopy codesudo netstat -tuln * -t: Show TCP ports. * -u: Show UDP ports. * -l: Show listening...
Navigating the Linux command line can be an efficient and powerful way to interact with your system. Here are the top 10 most commonly used Linux commands that every user should know: 1. ls - List Directory Contents The ls command lists files and directories within the current directory. Basic...