Installing PowerDNS (With MySQL Backend) And Poweradmin On Ubuntu 8.10 - Page 2

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Now fill in your database details. It is important that you fill in the details for the MySQL root user, not the powerdns MySQL user we created earlier! Also provide a password for the admin user for the Poweradmin web interface (that's the password that the user admin will use to log in to Poweradmin later on):

On the next page, fill in the details for the power_admin MySQL user that we created in chapter 3. Also fill in the two default nameservers that will be used in your zones unless you provide different nameservers when you create a zone (typically these are the names of the current system and of the slave server (for which you can set up MySQL replication, see my preliminary notes in chapter 1)):

On the next screen the installer asks you to execute a MySQL query. We don't have to do that because we've done something similar in chapter 3 already (the two GRANT statements) so we are set. Click on Go to step 6:

Click on Go to step 7:

The installation is now finished...

... but for security reasons we must delete the install directory:

rm -fr /var/www/poweradmin/install/

Now you can go to or and log in with the username admin and the password you created during the installation:

This is how the Poweradmin web interface looks:

To create a zone, go to Add master zone and fill in the domain name (e.g. You can already fill in the IP addresses for the www A record ("webserver") and the MX record ("mailserver") for that zone. If you leave the Create zone without applying records-template checkbox unchecked, Poweradmin will automatically create some NS, A (e.g. www) and MX records for that zone:

Go to List zones afterwards. You should now see the new zone there, and it already has eight records. Click on the edit icon to see these eight records:

These are the records that are created automatically unless you check the Create zone without applying records-template checkbox when you create a zone. You can now edit them or add and delete records:

Of course, you can as well create all records one-by-one manually - just leave the IP address fields empty and check the Create zone without applying records-template checkbox on the Add master zone page:

On the List zones page you will see that the new zone has just one record (the SOA record). Click on the edit icon...

... and then on Add record to add further records, ...

..., e.g. NS records...

... and A records (e.g. for (leave the Name field empty!) and

... and MX records:

To create PTR records, go to the Add master zone page and create a zone called (leave the IP address fields empty and check the Create zone without applying records-template checkbox):

To create a PTR record that points from the IP to, create a record under List zones and fill in in the Name field (that's the IP in reverse order) and in the Content field:

After you've created your records, you can check them with the dig command (see

man dig 

for more details), e.g. as follows:

dig @localhost mx

root@server1:~# dig @localhost mx

; <<>> DiG 9.5.0-P2 <<>> @localhost mx
; (2 servers found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 15084
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;                   IN      MX

;; ANSWER SECTION:            86400   IN      MX      10

;; ADDITIONAL SECTION:       86400   IN      A

;; Query time: 12 msec
;; WHEN: Thu Jan 15 16:15:48 2009
;; MSG SIZE  rcvd: 66



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