查看系统
lsb_release -a
查看网络连接
sudo nmcli connection show
扫描当前可用网络
sudo nmcli dev wifi list
sudo nmcli connection add type wifi ifname '*' con-name my_hidden_network ssid 'Mi 11 Ultra to rjh'
sudo nmcli connection modify my_hidden_network wifi-sec.key-mgmt wpa-psk
sudo nmcli connection modify my_hidden_network wifi-sec.psk 'laoziwozuishuai'
sudo nmcli connection up my_hidden_network

/* 查看串口信息 */
udevadm info -a -n /dev/ttyS0
/* 查看实际串口 */
cat /proc/tty/driver/serial