![]() The output from dmesg is long, as you can see for yourself if you type it in at a command prompt because it reports information from all aspects of your system when there are no error messages-other than those that might appear at boot.įormally, dmesg prints or controls the kernel ring buffer. The default action is to display all messages from this buffer.įor future reference and comparison, the best time to look at dmesg is just after boot. It contains so much information about your system that dmesg should be the first place you look when something goes wrong. The dmesg command is one of those easily forgotten troubleshooting tools that should stay at the top of your sysadmin arsenal. Cheat sheet: Old Linux commands and their modern replacements.Linux system administration skills assessment.A guide to installing applications on Linux.Download RHEL 9 at no charge through the Red Hat Developer program.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. Archives
March 2023
Categories |