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Amahi defaults to providing DNS forwarding through [http://www.opendns.com OpenDNS].
If you would like to change that to your router or your ISP or some other provider, you can issue this command, provided you have two IP addresses of follow the providersguidance below:
{{Code= Amahi 7 or greater (Fedora) =Log in to your dashboard as your 1st admin user, the accomplish the following: * Verify [[Advanced_Settings|Advanced Settings]] is enabled. * Select '''Network''' tab, then '''Settings'''. * Choose desired DNS provider:** Preconfigured (Google Public DNS, OpenNIC DNS, or OpenDNS)** '''Custom'''*** Enter the IP addresses for the DNS provider.*** Select Update DNS IPs  <b>NOTE:</b> You may need to [[RenewIP|renew the DHCP lease]] on your clients to use the new DNS provider. = Amahi 6 (Ubuntu 12.04.x) =This has to be done via command line. Issue this command, provided you have two IP addresses of the providers:  hda-change-dns FIRST_DNS_IP SECOND_DNS_IP}}
For instance, if you would like to use [http://code.google.com/speed/public-dns/ Google's Public DNS] service, you would do:
{{Code| hda-change-dns 8.8.8.8 8.8.4.4}}
To revert back to the default OpenDNS settings use:
{{Code| hda-change-dns 208.67.222.222 208.67.220.220}} In some cases you may need to use the full path for hda-change-dns
==OPTIONAL==Clear out DNS cache, do the following as '''root''' userexample:{{Code|nscd /usr/bin/hda-i hosts}}change-dns 208.67.222.222 208.67.220.220
= Clear DNS Cache (Optional) =
<u>Fedora</u>
In some cases you may need to use Clear out DNS cache, do the full path for hdafollowing as '''root''' user: nscd -change-dnsi hosts
example: <u>Ubuntu</usru> sudo /binetc/hda-changeinit.d/dns-dns 208.67.222.222 208.67.220.220clean
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