“7. Dmesg
Call me old-school, but whenever I plug a device into a Linux
machine, the first thing I do is run the dmesg command. This
command displays the messages from the kernel buffer.“This is important. There is a lot of information to be garnered
from the dmesg command. You can find out information about the
system architecture, GPU, network device, kernel-boot options used
and RAM totals, for example.“8. Kill, killall
One of the greatest benefits of Linux is its stability. But that
stability does not always apply to applications outside the kernel.
Some applications can lock up, and when they do, you want to be
able to remove them. The quickest way to get rid of locked up
applications is with the kill or killall commands.”
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