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How To Install PowerDNS on CentOS 6

install powerdns on centos

PowerDNS is a MySQL-based DNS server, written in C++ and licensed under the GPL. PowerDNS can be managed through a web interface (PowerAdmin). Unlike Bind, PowerDNS can be setup using a multitude of backends such as Bind Zone Files, or various Databases.

This article assumes you have at least basic knowledge of linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple. I will show you through the step by step installation PowerDNS on CentOS 6.

Step 1. First, you need to enable EPEL repository on your system.

## RHEL/CentOS 6 64-Bit ##
# wget http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
# rpm -ivh epel-release-6-8.noarch.rpm

## RHEL/CentOS 6 32-Bit ##
# wget http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
# rpm -ivh epel-release-6-8.noarch.rpm

Step 2. Install MySQL.

 yum -y install mysql mysql-server

Enable MySQL on boot and start MySQL server:

service mysqld start
chkconfig mysqld on

Step 3. Configuring MySQL.

By default, MySQL is not hardened. You can secure MySQL using the mysql_secure_installation script. you should read and below each steps carefully which will set root password, remove anonymous users, disallow remote root login, and remove the test database and access to secure MySQL.

 mysql_secure_installation


Step 4. Create PowerDNS Database and User in MySQL.

Login as a MySQL root and create a new database and tables:

 mysql -uroot -p
create database powerdns;
GRANT ALL PRIVILEGES ON powerdns.* TO 'powerdns'@'localhost' IDENTIFIED BY 'powerdnsPassword';
use powerdns;

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)
);
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)
);
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
);
exit;

Step 5. Install PowerDNS.

 yum install pdns-backend-mysql pdns bind-utils

Enable PowerDNS on boot and start PowerDNS server:

service pdns start
chkconfig pdns on

Step 6. Configure PowerDNS.

Open the /etc/pdns/pdns.conf file and add the following lines:

launch=gmysql
gmysql-host=localhost
gmysql-user=powerdns
gmysql-password=powerdnsPassword
gmysql-dbname=powerdns

Finally, restart the Power DNS service:

 service pdns restart

Congratulation’s! You have successfully installed PowerDNS. Thanks for using this tutorial for installing PowerDNS on CentOS 6 system.

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