iwconfig #检查链接wifi的接口名称sudo ip link set wlan0 up #启用wifi接口sudo iw dev wlan0 scan | grep SSID | less #扫描无线网络#链接wifi#无密码链接sudo iw dev wlan0 connect SSID#WEP加密sudo iw dev wlan0 connect SSID KEY 0:SSIDPASSWD#WPA与WPA2协议，使用wpa_supplicant工具vim /etc/wpa_supplicant/wpa_supplicant.confnetwork={ ssid="SSID" psk="SSIDPASSWD" priority=1}sudo wpa_supplicant -i wlan0 -c /etc/wpa_supplicant/wpa_supplicant.conf #后台运行，启用wifisudo dhcpcd wlan0 #获取IP地址iwconfig #再次查看wifi