Dhcp not updating in dns
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I know trying to add few Linux boxes, and can't make them appear on the DNS server. The Ubuntu boxes are NOT part of the Domain though Samba or anything.
is the means for this, it's in the dnsutils package.
The major caveat here is that unauthenticated updates will need to be turned on in your DNS zones, which can pose a pretty nasty security risk - names that applications/systems like to use for service discovery ("wpad", "teredo", "puppet") are ripe for the hijacking.
Second option is to configure the DHCP service to inject the records for you. Some things to check to make that work the way you're expecting: Oh, and assuming your DNS is AD-integrated, don't combine both methods - you'll end up with AD object permissions issues when the DHCP server tries to update something that was already inserted by the host.
Please check this answer, this will provide a method to add your host to any DNS server.