linux system administration

The article explains using `udevadm monitor` for detecting USB device changes in Linux. It covers the basics of `udevadm`, a utility managing the udev device manager daemon, and guides through monitoring USB device events in real-time. Examples and a Bash script are provided to demonstrate how to alert users on USB device insertion or removal, making it a valuable resource for system administrators and developers managing device interactions.

The blog post explains how to parse the `ps` command in Linux to monitor and calculate cumulative CPU usage of processes by integrating it with tools like `awk`. Starting with a Q&A section, it progresses into practical examples and a custom Bash script, demonstrating CPU usage tracking for system optimization and effective resource management in Linux system administration.