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Neil Winchurst wrote: > > This seems to work OK, but when I check on it later I find that it has > reverted to the original setting. There must be something I do not > understand (nothing unusual in that). How can I keep the new settings > in place? DHCP will supply DNS settings. Personally if it is giving you grief I'd fix the settings supplied by DHCP. However if you are sure you want to override the DHCP settings you need either to disable DHCP entirely on that box, or to find the active dhcp client config and configure the settings in that. In Debian this is /etc/dhclient.conf but I think Ubuntu has moved it into /etc/dhcp3/ or some such. For most options you have "prepend", "supersede" or "append", the manual page is good ;) Me I disable DHCP for home use, if I don't need it, but for bigger networks I override settings via the dhclient.conf (if I can't configure the same DHCP settings for everyone). The choice is simply a question of manageability, we could conceivably change DHCP settings at work, and redoing each box would be a pain, but my home network doesn't create a major renumbering crisis if I need to renumber something.
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