Debian Tutorials

Debian Tutorials


Step by step tutorials showing you how to install and configure various applications and services on Debian based Linux distros.

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Installing PowerDNS with MySql backend

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The PowerDNS Nameserver is a modern, advanced and high performance authoritative-only nameserver. It is written from scratch and conforms to all relevant DNS standards documents. Furthermore, PowerDNS interfaces with almost any database.

This tutorial has been tested and is working on Debian etch and lenny

1. Install the PowerDNS server and MySql backend using apt

apt-get install pdns-server pdns-backend-mysql

2. Create a new database (or use existing) and execute the following SQL queries to create the PowerDNS table structure:

create table domains (
id INT auto_increment,
name VARCHAR(255) NOT NULL,
master VARCHAR(128) DEFAULT NULL,
last_check INT DEFAULT NULL,
type VARCHAR(6) NOT NULL,
notified_serial INT DEFAULT NULL,
account VARCHAR(40) DEFAULT NULL,
primary key (id)
)type=InnoDB;
 
CREATE UNIQUE INDEX name_index ON domains(name);
 
CREATE TABLE records (
id INT auto_increment,
domain_id INT DEFAULT NULL,
name VARCHAR(255) DEFAULT NULL,
type VARCHAR(6) DEFAULT NULL,
content VARCHAR(255) DEFAULT NULL,
ttl INT DEFAULT NULL,
prio INT DEFAULT NULL,
change_date INT DEFAULT NULL,
primary key(id)
)type=InnoDB;
 
CREATE INDEX rec_name_index ON records(name);
CREATE INDEX nametype_index ON records(name,type);
CREATE INDEX domain_id ON records(domain_id);
 
create table supermasters (
ip VARCHAR(25) NOT NULL,
nameserver VARCHAR(255) NOT NULL,
account VARCHAR(40) DEFAULT NULL
);

3. Configure PowerDNS to use the MySql backend by adding this line into the configuration file (pico /etc/powerdns/pdns.conf)

launch=gmysql

4. Configure MySql login information for the PowerDNS server that can read from the tables you created earlier by adding lines similar to these (pico /etc/powerdns/pdns.d/pdns.local)

gmysql-host=127.0.0.1
gmysql-user=pdns
gmysql-password=password
gmysql-dbname=pdns

Replace the username, password and dbname with a valid login information and database name.

5. Restart PowerDNS

/etc/init.d/pdns restart

Now you should have a fully functional PowerDNS server installed. To manage the database (adding zones and records), consider using the Poweradmin web-based administration tool.

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