problem in connecting to internet in ubuntu

chintusrikanth · 04-09-2011, 07:13 AM

hey friends,
i'm using ubuntu 10.10 in parallel to windows7 with bsnl broadband(dsl modem{wired connection}), i can connect easily to internet in windows7 but where as in ubuntu i cannot connect to the internet
so pls help me out of this!

corp769 · 04-09-2011, 07:26 AM

Hello and welcome to LQ!

What do you mean in parallel? Are you emulating ubuntu, or is your system dual booted? Is your system connected directly to the modem, or through a router?

Cheers,

Josh

chintusrikanth · 04-09-2011, 11:21 PM

Quote:

Originally Posted by corp769

Hello and welcome to LQ!

What do you mean in parallel? Are you emulating ubuntu, or is your system dual booted? Is your system connected directly to the modem, or through a router?

Cheers,

Josh

my system is dual booted & connected directly to the modem with ethernet, i'm using bsnl broadband[sl141-TYPE(B)]

jschiwal · 04-10-2011, 03:32 AM

Here is how an openSuSE user did it using the setup program for the rp-pppoe package:
http://nileshbansal.blogspot.com/200...ing-linux.html

According to this article, you can configure it easily in Ubuntu by configuring a ppoe connection in Network Settings:
http://chetangole.com/blog/2008/10/h...-ubuntu-linux/

k3lt01 · 04-10-2011, 04:40 AM

Does your Ubuntu "see" the connection to the modem? Meaning are you connecting to the modem but not to the internet?

If it does try this (this is copied from an archived post in Ubuntu Forums and because they are about to delete all the archives I thought I'd copy it over to here so at least it can still serve some useful purpose). All credit goes to webdr from Ubuntu Forums.

Quote:

Originally Posted by webdr

Your Problem:
DNS resolution via local router DNS relay has proven to be a common failure point in my experience.

Try this...
open a terminal.
run this command

Code:

sudo gedit /etc/dhcp3/dhclient.conf

search for this line...

Code:

#prepend domain-name-servers 127.0.0.1;

insert the following line
after that line.

Code:

prepend domain-name-servers 208.67.222.222,208.67.220.220;

Save the file, disconnect and reconnect, then retest.

What this does...
It hardsets your machine to use OpenDNS nameservers.. you may swap 208.67.xxx.xxx with the IP's of your chosen nameservers, although I think you'll find the OpenDNS servers to be much more efficient.

So, no matter what DNS is handed to you by DHCP, your machine will always behave and use just the DNS servers you tell it to.

Heraton · 04-10-2011, 05:15 AM

Well, there are quite a lot of ways, not to get properly connected to the Internet. Usually i would ask a lot of questions about what is wrong exactly, but as your Windows is doing well so far, what about running a "ipconfig /all" on your windows and posting the results here. This would give a lot of information about how your Linux should be configured.

regards, Heraton