What is dmesg?

dmesg is a command in Unix-like operating systems that displays the system boot messages, also known as kernel ring buffer. It provides detailed information about the status, events, and errors that occur during the system startup and operation. By examining the dmesg output, administrators and users can diagnose and troubleshoot various issues related to hardware, device drivers, and software. This log is particularly helpful in identifying hardware failures, detecting device connectivity, and understanding system behavior. The dmesg command is often used in conjunction with other diagnostic tools to identify and resolve issues in Unix-based systems.

This mind map was published on 2 January 2024 and has been viewed 85 times.