Test to see if Google DNS is working

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James Riley

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Dec 28, 2009, 11:35:55 PM12/28/09
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Is there a simple test I can perform to see if I'm using Google DNS?
I attempted to make the change on my linux (kde) system, but I suspect
I've done something wrong and I'm still using my ISP.

James Riley

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Dec 29, 2009, 12:37:33 AM12/29/09
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Found the answer. In console enter: >$ less /etc/resolv.conf
So I discovered I'm still using my ISP. Does anyone know how to change
to Google DNS in KDE Linux? It's odd that the Knetworkmanger doesn't
list a wired network to edit. I installed wicd which shows the network
but not with the options listed in the Google DNS instructons.

Ghoti

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Dec 29, 2009, 12:17:08 PM12/29/09
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On Dec 28, 10:37 pm, James Riley <ril...@gmail.com> wrote:
> Found the answer. In console enter: >$  less /etc/resolv.conf
> So I discovered I'm still using my ISP. Does anyone know how to change
> to Google DNS in KDE Linux? It's odd that the Knetworkmanger doesn't
> list a wired network to edit. I installed wicd which shows the network
> but not with the options listed in the Google DNS instructons.

The quick change would be to (as root, or with sudo) open /etc/
resolv.conf in the editor of your choice, and change the 'nameserver'
lines, but that change will be lost upon reboot.

To make it persist across reboots, edit your /etc/dhcp3/dhclient.conf,
and look for a line starting with 'option domain-name-servers. If
there is no such line, add it immediately after the 'request' line,
and make it look like this:
option domain-name-servers 8.8.8.8, 8.8.4.4;

Hope this helps!

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