Using Cacti to monitoring network bandwidth

1.Cacti Installation

/*Install LAMP*/

yum -y install mariadb-server mariadb httpd php php-mysql

service httpd start

chkconfig httpd on

service mariadb start

chkconfig mariadb on

mysqladmin -uroot password Wanda01!

mysqladmin --user=root --password reload

 

 

/*Install related library and rrdtool*/

yum -y install zlib freetype libjpeg fontconfig gd libxml2 php-gd rrdtool

 

/*Install SNMP tool*/

yum -y install net-snmp net-snmp-utils

service snmpd start

chkconfig snmpd on

 

/*Install Cacti*/

cd /opt

yum -y install wget

wget http://www.cacti.net/downloads/cacti-0.8.8h.tar.gz

tar xvzf cacti-0.8.8h.tar.gz

mv cacti-0.8.8h /var/www/html/cacti

 

/*Create user and set up cacti poller job*/

useradd cactiuser

passwd cactiuser

su cactiuser

crontab -e

*/1 * * * * /usr/bin/php /var/www/html/cacti/poller.php > /dev/null 2>&1

 

/*grant cacti file and folder permission to the new created user*/

su root

chgrp -R cactiuser /var/www/html/cacti

chown -R cactiuser /var/www/html/cacti/rra

chown -R cactiuser /var/www/html/cacti/log

chown -R cactiuser /var/www/html/cacti/poller.php

 

/*create database*/

mysql -uroot -p

MariaDB [(none)]> create database cacti;

MariaDB [(none)]> exit

/*import cacti databse*/

mysql -u root -p cacti < /var/www/html/cacti/cacti.sql

/grant database permission/

mysql -uroot -p

MariaDB [(none)]> GRANT ALL ON cacti.* TO cactiuser@localhost IDENTIFIED BY 'cactiuser';

MariaDB [(none)]> flush privileges;

MariaDB [(none)]> exit

After installation, login to the portal via http://server_ip/cacti to continue with the configuration and you will see the web page as below, make sure there is no warning appearred. The default user name and password is admin/admin, and we need to change the password after login.