Kali Linux : Wifi Network Firmware Missing Problem

To fix the usb adapter firmware missing:
1. Run command dmesg
2. find out error : find missing library
ex: "firmware failed to load rt2870.bin (-2)"

3. To fix the problem open sources.list
(# leafpad /etc/apt/sources.list)

4. Add below lines in sources.list
# Debian "Jessie"
deb http://http.debian.net/debian/ jessie main contrib non-free
# Debian "Stretch"
deb http://http.debian.net/debian/ stretch main contrib non-free

5. Run Update
# apt-get update

6. Install firmware for ralink ( it could be different based on type of usb adapter that you have)
# apt-get install firmware-ralink

7. Install misc nonfree firmware
# apt-get install firmware-misc-nonfree

8. check the wifi Network you should be able to see the available networks.
( ref: https://wiki.debian.org/rt2800usb )

Видео Kali Linux : Wifi Network Firmware Missing Problem канала Linux Mitra