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I use dynamic DNS updates on my network and my Linux and Windows machines all appear in DNS correctly.
Incidentally, so does my HP Photosmart printer and Nintendo Wii.
This is why I mentioned the use of send host-name in my post.
Oh yeah I did update that part as well but all but one of my machines are windows machines.
To do so, you need to add something like this to your file: key DHCP_UPDATER ; zone EXAMPLE. Note that the zone declarations have to correspond to authority records in your name server - in the above example, there must be an SOA record for "" and for ".".
Apr 29 Server64 named: client .1#49760: updating zone 'daviesandjones.lan/IN': update unsuccessful: Server64.daviesandjones.lan: 'name not in use' prerequisite not satisfied (YXDOMAIN) Apr 29 Server64 named: client .1#46268: updating zone 'daviesandjones.lan/IN': update unsuccessful: Server64.daviesandjones.lan/TXT: 'RRset exists (value dependent)' prerequisite not satisfied (NXRRSET) Apr 29 Server64 dhcpd: Forward map from Server64.
Aug 11 NIKKI named: zone 'mydomain.lan' allows updates by IP address, which is insecure You need to define an update key and configure it in both and
The manpage for gives an example and, I believe, the standard contains a commented example.
I have several Linux machines, running Ubuntu (10.10, 11.10, 12.04). Sometimes, however, the system gets an IP address from DHCP, but fails to update the DNS server with it's hostname and IP.
All of the systems are using DHCP with default settings. The Sys Admin who runs the DNS servers (Windows Server something) says that everything is fine, and any issues I'm having must be my fault. This problem today prevents my team from being able to access our subversion server, and the (Linux) workstations can't connect to LDAP for user authentication. However, the LDAP and Subversion servers are up with valid IPs, and can access other network resources and the Internet, but don't have an associated DNS entry.