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How to Install Cacti on CentOS 7
Simple.Predictable.Scalable
Installing Cacti on CentOS 7
Cacti is an open-source network monitoring and graphing tool that provides a web-based interface for managing network resources. It allows you to monitor the performance of devices such as routers, switches, servers, and other network devices.
Step 1: Update System
To begin the installation, it's important to update the system packages to their latest versions. Run the following command:
sudo yum update
Step 2: Install Required Packages
Cacti requires several packages to be installed on the system. Use the following command to install the necessary packages:
sudo yum install httpd mariadb mariadb-server php php-mysql php-snmp net-snmp-utils net-snmp-libs rrdtool
Step 3: Configure MariaDB
Start and enable the MariaDB service:
sudo systemctl start mariadb
sudo systemctl enable mariadb
Run the MySQL secure installation script:
sudo mysql_secure_installation
Step 4: Configure Apache
Start and enable the Apache service:
sudo systemctl start httpd
sudo systemctl enable httpd
Step 5: Configure PHP
Edit the PHP configuration file:
sudo vi /etc/php.ini
Update the following lines:
max_execution_time = 600
memory_limit = 256M
post_max_size = 32M
upload_max_filesize = 32M
date.timezone = [YOUR_TIMEZONE]
Step 6: Install Cacti
Download the latest version of Cacti:
sudo yum install epel-release
sudo yum install cacti
Import the default MySQL database for Cacti:
mysql -u root -p cacti < /usr/share/doc/cacti-*/cacti.sql
Edit the Cacti configuration file:
sudo vi /etc/cacti/db.php
Update the following lines:
$database_username = 'cactiuser';
$database_password = 'cactipassword';
$database_name = 'cacti';
Step 7: Configure Cacti
Edit the Apache configuration file:
sudo vi /etc/httpd/conf.d/cacti.conf
Update the following line to allow access from your IP address:
Allow from YOUR_IP_ADDRESS
Restart the Apache service:
sudo systemctl restart httpd
Step 8: Access Cacti Web Interface
Open your web browser and access the Cacti web interface using the following URL:
http://YOUR_SERVER_IP/cacti
Follow the on-screen instructions to complete the installation and set up monitoring for your network devices.
That's it! You have successfully installed and configured Cacti on CentOS 7. You can now monitor your network resources and generate graphs based on the collected data.
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