https://jingyan.baidu.com/article/ce436649443ffd3773afd3f5.html
http://www.downcc.com/soft/20330.html
https://blog.csdn.net/xiaoluoshan/article/details/78078626
安装串口FT232驱动
kk Blog —— 通用基础
date [-d @int|str] [+%s|"+%F %T"]
netstat -ltunp
sar -n DEV 1
