Debian 5 legacy password reset

Interact with the boot loader (Lilo / Grub)
Enter into single user mode - linux init=/bin/sh
mount -o remount,rw /
mount /usr
passwd

Realtech RTL8188FTV wireless LAN adapter driver installation in Ubuntu 20.04

Realtech RTL8188FTV wireless LAN adapter driver works good in Ubuntu 20.04. Refer the below git link to set it up.

https://github.com/kelebek333/rtl8188fu

https://dev.to/darkdebo/how-to-use-the-wifi-in-ubuntu-20-04-using-realtek-semiconductor-802-11n-53c0