Problem :No Internet in Backtrack 4

Problem :No Internet in Backtrack 4 BT4

1)start the Network ..

In command line type
bt# /etc/init.d/networking start

or Menu -> Services -> NETWORK -> Start NETWORK

Then Configure Network Card

Static IP address

ifconfig eth0 192.168.1.2

For variable subnet mask
ifconfig eth0 192.168.1.2 netmask 255.255.255.224


Add a default gateway:

route add default gw 192.168.1.1 eth0

Replace the IP address with your default gateways


Assign DNS servers:

echo nameserver 200.1.1.1 > /etc/resolv.conf


For DHCP

dhcpcd eth0