linux system administration

When working with Linux, understanding how your system interacts with connected devices—particularly USB devices—can be crucial for both system administrators and enthusiasts. One powerful tool in the Linux toolkit is udevadm, which can be used to monitor and manage device events. Let's dive into how you can use udevadm monitor to detect USB devices as they are inserted or removed from your system. Q: What does udevadm do in Linux? A: udevadm stands for "udev administration" and is a utility to manage and debug the udev device manager daemon's actions.

One of the core aspects of Linux system administration and performance monitoring involves keeping an eye on how processes utilize system resources, particularly CPU usage. In this blog post, we'll delve into the nuances of using the ps command in Linux to parse and calculate cumulative CPU usage of running processes. We'll start with a Q&A format to address some common queries, follow up with more examples and explanations, and cap things off with an executable script that illustrates the practical application. A1: The ps (Process Status) command in Linux is a powerful utility that shows information concerning a selection of running processes. It's widely used for monitoring the processes running on a system.