# 查看无线网卡
ip addr
NETCARD=wlan0
# 搜索
sudo iwlist $NETCARD scan | less
sudo iwlist $NETCARD scan | grep ESSID
sudo raspi-config
# 1. System Options
# S1 Wireless Lan, 输入SSID/密码
/etc/wpa_supplicant/wpa_supplicant.conf
network={ ssid="你的Wi-Fi名称" psk="你的Wi-Fi密码" key_mgmt=WPA-PSK }
sudo wpa_cli -i wlan0 reconfigure
# 或者
sudo ifconfig wlan0 down
sudo ifconfig wlan0 up
/etc/dhcpcd.conf
interface eth0
inform 192.168.0.100
interface wlan0
inform 192.168.0.101
重启生效
sudo reboot