树莓派3b+ centos7连接wif及扩展内存卡

一、烧录系统
二、扩展tf卡剩余存储空间
#rootfs-expand
三、# vi /etc/wpa_supplicant/wpa_supplicant.conf
network={
ssid="WiFi名称"
psk="WiFi密码"
priority=1
}
四、systemctl stop NetworkManager
五、 wpa_supplicant -i wlan0 -c /etc/wpa_supplicant/wpa_supplicant.conf& # 后台保持链接
六、dhclient wlan0 dhcp获取地址

七、开机自启
#vi /etc/rc.d/rc.local
ip link set wlan0 up
systemctl stop NetworkManager
wpa_supplicant -i wlan0 -c /etc/wpa_supplicant/wpa_supplicant.conf&
dhclient wlan0

八、chmod +x /etc/rc.d/rc.local

九、重启验证
reboot
ip addr 查看网址