Introduction Virsh (Virtual Shell) is the command-line interface for managing virtual machines and hypervisors through libvirt. This cheatsheet provides essential commands for daily VM management tasks, from basic operations like listing and controlling VMs to...
Introduction SCP (Secure Copy Protocol) is a network protocol that allows you to securely transfer files and directories between hosts over an encrypted SSH connection. Built on top of SSH, SCP provides authentication and encryption, making it the preferred method for...
What is the Shebang Line? The shebang line (also called hashbang or sharp-bang) is the character sequence #! followed by the path to an interpreter, placed at the very beginning of executable script files. It tells the system which interpreter to use when executing...
Introduction Imagine this: You're a cybersecurity enthusiast, a system administrator, or even just someone curious about how networks really tick. You've run into a situation where a simple ping isn't enough, or ssh feels too heavy-handed for a quick check. You need a...
Introduction Linux, the powerhouse of servers and development environments, offers unparalleled control over networking. From simple home setups to complex enterprise infrastructures, understanding Linux network configuration is a fundamental skill. This cheat sheet...
Introduction to Docker In the world of software development, the phrase "it works on my machine" used to be a common, frustrating refrain. This is precisely the problem Docker set out to solve. Introduced in 2013, Docker has revolutionized how applications are built,...