rPI WiFi AP

#!/bin/bash

### KILL EXISTING ###
service dnsmasq stop
killall dnsmasq
service hostapd stop
killall hostapd
ifconfig wlan0 down

### HOSTAPD CONFIGRATION ###
CAT <<EOF > /etc/hostapd/hostapd.conf
interface=wlan0
enable_karma=1
driver=nl80211
hw_mode=g
channel=1
ssid=rPI Karma WiFi API
EOF

### DNSMASQ CONFIGURATION ###
cat <<EOF > /etc/dnsmasq.conf
interface=wlan0
log-facility=/var/log/dnsmasq.log
log-queries
no-resolv
dhcp-range=10.10.10.10,10.10.10.250,12h
server=8.8.8.8
server=8.8.4.4
EOF

### INTERFACE SETUP ###
ifconfig wlan0 up
ifconfig wlan0 10.10.10.1/24

### IPTABLES NAT FORWARDING ###
iptables --flush
iptables --table nat --flush
iptables --delete-chain
iptables --table nat --delete-chain
iptables --table nat --append POSTROUTING --out-interface eth0 -j MASQUERADE
iptables --append FORWARD --in-interface wlan0 -j ACCEPT
sysctl -w net.ipv4.ip_forward=1

### START PROCESSES ###
service dnsmasq start
service hostapd start