Debian driven from the wireless card attached to the network configuration

The first step in increasing the username of sudo privileges

Log in as the root user debian

apt install sudo

sudo apt install vim

cd / etc /

vim sudoers

Find the root ALL = (ALL: ALL) ALL add a line in the lower row

username ALL=(ALL:ALL) ALL

English input state press esc: wq

Save and exit the file

Apt source to replace the original source of Tsinghua University

sudo apt install apt-transport-https ca-certificate
接下来
cd /etc/apt
sudo cp source.list source.list.bak
sudo vim source.list
输入:%d清空文件内容
输入：set mouse=c
按i 进入编辑模式
将以下内容粘贴进文件中

# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ buster main contrib non-free
# deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ buster main contrib non-free
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ buster-updates main contrib non-free
# deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ buster-updates main contrib non-free
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ buster-backports main contrib non-free
# deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ buster-backports main contrib non-free
deb https://mirrors.tuna.tsinghua.edu.cn/debian-security buster/updates main contrib non-free
# deb-src https://mirrors.tuna.tsinghua.edu.cn/debian-security buster/updates main contrib non-free

Then: wq to save and exit 
sudo apt update 
install realtek driver 
sudo install Firmware APT-realtek 
sudo install APT Wireless-Tools 
sudo install IW APT 
sudo APT install wpasupplicent 
cd / etc / Network 
sudo cp interface.bak interface 
ip addr 
write down the name of the wireless network card : wls32 
sudo vim / etc / network / interface 
to edit / etc / network / interface file, add the following to 
the #The Wireless Network interface 
the allow-hotplug wls32 
iface wls32 inet dhcp
 wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf 
save and exit 
chmod 0600 / etc / Network / in the interfaces 
su -c the -l "wpa_passphrase your_ssid your_password> /etc/wpa_supplicant/wpa_supplicant.conf" 
or edit /etc/wpa_supplicant/wpa_supplicant.conf file, add the following
country=CN
ctrl_interface=DIR=/var/run/wap_supplicant GROUP=netdev
update_config=1
network={
　　ssid="your_ssid"
　　psk="your_password"
}

sudo ifup wls32