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IntroductionLinux, an open-source operating system kernel, forms the foundation of numerous operating systems, enabling users to interact with their computer hardware efficiently and securely. It's akin to a versatile engine that powers a wide array of vehicles in the computing world.The Big PictureImagine your computer as a sophisticated machine. Just as a car needs an engine to function, your ..

Checking active listening ports and killing a process on a specific port.Checking Active Listening Ports1. List Listening PortsTo find out which ports are currently open and listening for incoming connections, the lsof command is highly useful. This command lists open files and the corresponding processes. Here's how you use it to filter for listening ports:sudo lsof -i -P -n | grep LISTENi: Sel..