View Kernel Messages - dmesg Command | Online Free DevTools by Hexmos
View and analyze Linux kernel messages with the dmesg command. Inspect system logs, troubleshoot errors, and monitor memory usage easily. Free online tool, no registration required.
dmesg
Write the kernel messages to
stdout. More information: https://manned.org/dmesg.
- Show kernel messages:
sudo dmesg
- Show kernel error messages:
sudo dmesg {{[-l|--level]}} err
- Show kernel messages and keep [w]aiting for new ones, similar to
tail --follow(available in kernels 3.5.0 and newer):
sudo dmesg {{[-w|--follow]}}
- Show how much physical memory is available on this system:
sudo dmesg | grep {{[-i|--ignore-case]}} memory
- Show kernel messages 1 page at a time:
sudo dmesg | less
- Show kernel messages with a timestamp (available in kernels 3.5.0 and newer):
sudo dmesg {{[-T|--ctime]}}
- Show kernel messages in human-readable form (available in kernels 3.5.0 and newer):
sudo dmesg {{[-H|--human]}}
- Colorize output (available in kernels 3.5.0 and newer):
sudo dmesg {{[-L|--color]}}