On Monday 09 August 2010 03:40 PM, Akshay N. Manke wrote:
Hello,

   I have installed Ubuntu 10.04 and trying to configure Static IP to use
internet through BSNL Broadband, but i am not able to configure Gateway. I
am able to ping any other machine in our network because static IP and
Subnet it has taken but not able to access Internet because of gateway.

   I have tried to search on the internet and also got some ways to change
the IP from dynamic to Static by editing the /etc/network/interfaces file
but it is showing *Read Only* file or by configuring network interface
through *Preferences>  Network Connections* but it is not allowing me to
change the gateway.

  I know this is a very minor problem but i am new in Linux world hence this
help is require.

  Please Guide....

Thanks In Advance.



Have you opened the /etc/network/interfaces file with root permissions?

you can do $sudo nano /etc/network/interfaces

Add code similar to following. ( change entries where appropriate, make sure about eth0 by issuing command $ ifconfig )

auto eth0
iface eth0 inet static
address 10.2.2.100
netmask 255.255.255.0
gateway 10.0.0.1

You can exit by doing Ctrl-X and then y.

Cheers,
--
Mithun


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