How to enable TP-link TL-WN725N USB wifi dongle for Debian testing (bullseye)
- Add rtl8xxxu to /etc/modules. It must be the only text on its line.
- Install firmware-realtek package.
- Reboot
RE Step 1: This must be done as root.
RE Step 2: You have to enable the non-free debian package section. Non free means not open source. Don't worry, you don't have to pay anything.
- Open up /etc/apt/sources.list as root, and add non-free to the end of your main package source (repository) You should end up with a line looking like deb http://ftp.us.debian.org/debian bullseye main non-free Run sudo apt update Run apt install firmware-realtek