![]() ![]() If you have any questions or feedback, feel free to leave a comment.POV-Ray: Resources: Links: 3D Tutorials: POVRay Tutorials Type man dmesg in your terminal for information about all available dmesg options. It can be very useful when troubleshooting kernel or hardware issues. The dmesg command allows you to view and control the kernel ring buffer. If you want to save the current dmesg logs in a file before clearing it, redirect the output to a file: dmesg > dmesg_messages Conclusion # To print the buffer contents before clearing use the -c ( -read-clear) option: sudo dmesg -c Only root or users with sudo privileges can clear the buffer. The -C ( -clear) option allows you to clear the ring buffer: sudo dmesg -C The following command displays only the error and critical messages: dmesg -l err,crit Clearing the Ring Buffer # The option accepts one or more comma-separated levels. ![]() The -l ( -level ) option restricts the output to defined levels.
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