Debian 无线网卡从安装驱动到网络配置

第一步增加username 的sudo权限

以root用户登录debian系统

apt install sudo

sudo apt install vim

cd /etc/

vim sudoers

找到root ALL=(ALL:ALL) ALL在下面一行添加一行

username ALL=(ALL:ALL) ALL

按esc 英文状态下输入:wq

保存退出文件

替换原版的apt源至清华大学源

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

然后：wq保存退出
sudo apt update
安装realtek驱动
sudo apt install firmware-realtek
sudo apt install wireless-tools
sudo apt install iw
sudo apt install wpasupplicent
cd /etc/network
sudo cp interface interface.bak
ip addr
记下无线网卡的名称：wls32
sudo vim /etc/network/interface
编辑 /etc/network/interface 文件，添加以下内容
#The wireless network interface
allow-hotplug wls32
iface wls32 inet dhcp
wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
保存退出
chmod 0600 /etc/network/interfaces
su -l -c "wpa_passphrase your_ssid your_password > /etc/wpa_supplicant/wpa_supplicant.conf"
或者编辑 /etc/wpa_supplicant/wpa_supplicant.conf文件，添加以下内容
country=CN
ctrl_interface=DIR=/var/run/wap_supplicant GROUP=netdev
update_config=1
network={
　　ssid="your_ssid"
　　psk="your_password"
}

sudo ifup wls32