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If you're not familiar with how DDNS and AD work together, you may not realize just how many moving parts there are with this product (check out Understanding Dynamic Update from Technet to learn more).

Combined with Active Directory (AD) it makes managing thousands of DNS records for clients and servers a breeze.

The first is "dynamic DNS updating" which refers to systems that are used to update traditional DNS records without manual editing.

These mechanisms are explained in RFC 2136, and use the TSIG mechanism to provide security.

"-d" for debug #NSUPDFLAGS="-d" # krbcc ticket cache export KRB5CCNAME="/tmp/dhcp-dyndns.cc" # Kerberos principal SETPRINCIPAL="[email protected]$" # Kerberos keytab # /etc/dhcpduser.keytab # krbcc ticket cache # /tmp/TESTUSER=$(wbinfo -u | grep dhcpduser) if [ -z "$" ]; then echo "No AD dhcp user exists, need to create it first..

exiting." echo "you can do this by typing the following commands" echo "kinit [email protected]$" echo "samba-tool user create dhcpduser --random-password --description=\"Unprivileged user for DNS updates via ISC DHCP server\"" echo "samba-tool user setexpiry dhcpduser --noexpiry" echo "samba-tool group addmembers Dns Admins dhcpduser" exit 1 fi # Check for Kerberos keytab if [ !

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If you don’t have that I suggest that you first read my two other posts on how to install them: Setting up a DNS for the local network on the Ubuntu Hardy Heron server Setting up a DHCP server on Ubuntu Hardy Heron Step by step instructions Apparently the Ubuntu server is installed with an App Armor profile that prevents bind to write to the /etc/bind directory.

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