小天线的走起

STA模式手动连接WIFI热点

• 确保wlan0网络设备处于激活状态

root@myir-yg2lx:~# ifconfig wlan0
wlan0: flags=4098<BROADCAST,MULTICAST>  mtu 1500  metric 1
        ether 68:4e:05:b3:ff:f2  txqueuelen 1000  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

• 扫描附近WIFI热点

• wpa_passphrase设置wifi名字和密码
  
• 关掉 并初始化wpa_supplicant 进程
  

妥妥的三种上网方式都已经成功

使能开机自动连wlan

root@myir-yg2lx:~# systemctl enable wpa_supplicant@wlan0.service
Created symlink /etc/systemd/system/multi-user.target.wants/wpa_supplicant@wlan0.service → /lib/systemd/system/wpa_supplicant@.service.

开机wifi自动获取到IP

root@myir-yg2lx:~# vi /etc/systemd/network/11-wlan0.network
root@myir-yg2lx:~# cat /etc/systemd/network/11-wlan0.network 
[Match]
Name=wlan0
[Network]
DHCP=yes
[DHCP]
RouteMetric=20