Howto Share internet connection

使用linux来共享网络:)


Note: Type all the following commands in a root terminal, DO NOT use sudo.

 
1. Start by configuring the network card that interfaces to the other computers on you network:
 
# ifconfig ethX ip
 
where ethX is the network card and ip is your desired server ip address (Usually 192.168.0.1 is used)
 
2. Then configure the NAT as follows:
 
# iptables -t nat -A POSTROUTING -o ethX -j MASQUERADE
 
where ethX is the network card that the Internet is coming from
 
# echo 1 > /proc/sys/net/ipv4/ip_forward
 
3. Install dnsmasq and ipmasq using apt-get:
 
# apt-get install dnsmasq ipmasq
 
4. Restart dnsmasq:
 
# /etc/init.d/dnsmasq restart
 
5. Reconfigure ipmasq to start after networking has been started:
 
# dpkg-reconfigure ipmasq
 
6. Repeat steps 1 and 2.
 
7. Reboot. (Optional)
 
I hope this helps.
 
Good luck!

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