1) configure wireless adapter

add to /etc/network/interfaces:

2) ap daemon

install hostapd:

edit /etc/hostapd/hostapd.conf:

edit /etc/default/hostapd:

start daemon:

3) netfilter

for every boot system, edit /etc/network/if-pre-up.d/wifi:

grant execute permissions:

if use ppp0:

add line to /etc/network/if-pre-up.d/wifi:

4) DNS & DHCP

install:

edit /etc/dnsmasq.conf:

restart deamon:

5) enjoy!