Ubuntu Server20.04链接wifi-network-manager

1、安装工具

sudo apt-get install wireless-tools
sudo apt-get install wpasupplicant
sudo apt-get install network-manager

2、查看无线网卡的名字

ip a
# 或者是
ip addr show

3、启用网卡

ip link set wlp6s0 up

 4、查看附近可接入的wifi接入点

iwlist wlp6s0 scanning | grep -i ssid

5、链接wifi

nmcli device wifi connect CMCC-XXX password xxxxxxxx ifname wlp6s0