Extract the distribution tarball.

• tar xzvf cacti-version.tar.gz

Create the MySQL database:

• mysqladmin --user=root -p create cacti

Import the default cacti database:

• mysql cacti < cacti.sql

Create a MySQL username and password for Cacti.

• mysql --user=root mysql

mysql> GRANT ALL ON cacti.* TO cactiuser@localhost IDENTIFIED BY 'somepassword';
mysql> flush privileges;

Edit include/config.php and specify the MySQL user, password and database for your Cacti configuration.
$database_default = "cacti";
$database_hostname = "localhost";
$database_username = "cactiuser";
$database_password = "cacti";

Set the appropriate permissions on cacti's directories for graph/log generation. You should execute these commands from inside cacti's directory to change the permissions.

• chown -R cactiuser rra/ log/

(Enter a valid username for cactiuser, this user will also be used in the next step for data gathering.)

Add a line to your /etc/crontab file similar to:

• */5 * * * * cactiuser php /var/www/html/cacti/poller.php > /dev/null 2>&1