1.add deb http://ftp.de.debian.org/debian sid main non-free to /etc/apt/sources.list
2.apt update
3.apt-cache search 8822
4.apt install firmware-realtek
1.add deb http://ftp.de.debian.org/debian sid main non-free to /etc/apt/sources.list
2.apt update
3.apt-cache search 8822
4.apt install firmware-realtek