Sometimes, you might want to know what your system says.
There are some reasons to keep tracking your system messages on your linux machine.
For example, You have trouble with overheating issue, network device issues or iptables, firewall issues.
Above issues bring some warning/alert/notice or some kind of things from your system.
But the problem is you can not grab the latest message with "dmesg" command while your machine keep bringing errors.
Here is one way to grab the latest dmesg in real time below.
Article in Korean
리눅스 머신에서 "dmesg" 실시간으로 보기