RTL8812驱动程序资源下载：

https://download.csdn.net/download/pocean2012/85643305

 1. 查看无线网卡设备地址

(base) hy@hy-System-Product-Name:~/driver/8812au-20210629$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 009: ID 0bda:c811 Realtek Semiconductor Corp. 
Bus 001 Device 008: ID 2717:5010  
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 

2. USB device型号查询

The USB ID Repository

 

0bda	Realtek Semiconductor Corp.

3. 不巧，这个比较新的网卡没有，根据各方面信息，腾达和水星这款USB网卡--650M双频的大多采用RTL8821CU芯片， RTL8821CU驱动下载已上传

https://download.csdn.net/download/pocean2012/85643568

4. 下载解压到制定目录

运行安装文件

sudo ./install-driver.sh
运行完成后，保存配置文件（基本不用修改），重启

5. 选择wifi设置，完成设置

ifconfig -a 确认驱动生效

(base) hy@hy-System-Product-Name:~$ ifconfig
enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.8.174  netmask 255.255.252.0  broadcast 192.168.11.255
       
        RX packets 12253  bytes 2407917 (2.4 MB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 1485  bytes 356986 (356.9 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 1013  bytes 80674 (80.6 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 1013  bytes 80674 (80.6 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

wlx24698ed08e55: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.8.221  netmask 255.255.252.0  broadcast 192.168.11.255
      
        RX packets 22250  bytes 10383318 (10.3 MB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 11257  bytes 8550926 (8.5 MB)
        TX errors 0  dropped 1 overruns 0  carrier 0  collisions 0
 

 配置网络，搞定。