Crear punto de acceso Wifi (Access Point)

https://wiki.debian.org/es/Compartir_red_fisica_con_WiFi
https://www.cyberciti.biz/faq/debian-ubuntu-linux-setting-wireless-access-point/
https://www.wifi-libre.com/topic-1057-createap-lo-mejor-para-convertir-un-ordenador-en-repetidor-universal.html
http://blackhold.nusepas.com/2015/04/16/convertir-una-debian-en-un-punto-de-acceso-wifi/
https://blog.desdelinux.net/create_ap-compartir-internet-wifi/