Cacti is an open-source network monitoring tool that can be used to track metrics such as bandwidth usage, CPU load, memory usage, and more. In this tutorial, we'll guide you through the process of installing Cacti on Clear Linux Latest.
Before getting started, please make sure your system meets the following requirements:
Before installing any new software on your system, it's important to ensure that your system is up-to-date. To do this, run the following command:
sudo swupd update
To install packages required for Cacti, run the following command:
sudo swupd bundle-add lamp-dev
This command will install all of the necessary packages for a LAMP stack, including PHP, Apache, and MySQL.
To install the SNMP daemon, run the following command:
sudo swupd bundle-add snmp
Now that all of the prerequisites are installed, we can begin to install Cacti. Download the latest version of Cacti from http://www.cacti.net/download_cacti.php.
wget http://www.cacti.net/downloads/cacti-latest.tar.gz
Extract the tarball:
tar -zxvf cacti-latest.tar.gz
Move the extracted content to your web server's root directory. For example, if you are using Apache, move the extracted content to /var/www/html/.
sudo mv cacti-*/ /var/www/html/cacti/
To create a MySQL database for Cacti, run the following command:
sudo mysql -u root -p
Enter your MySQL root password when prompted. Now you're in the MySQL shell.
CREATE DATABASE cacti;
GRANT ALL ON cacti.* TO cactiuser@localhost IDENTIFIED BY 'password';
FLUSH PRIVILEGES;
exit;
Note that you'll need to replace 'password' with a password of your choice.
Cacti requires some configuration before it can be used. To begin the configuration process, open the include/config.php file in your favorite text editor:
sudo nano /var/www/html/cacti/include/config.php
Find the following lines:
$database_password = '';
$database_default = '';
Update them to the following:
$database_password = 'password';
$database_default = 'cacti';
Again, replace 'password' with the MySQL password you chose earlier.
If you are using Apache as your web server, you'll need to add the following lines to your Apache configuration file (/etc/httpd/conf/httpd.conf or /etc/apache2/httpd.conf):
Alias /cacti /var/www/html/cacti
<Directory /var/www/html/cacti>
Options FollowSymLinks
AllowOverride None
Order allow,deny
Allow from all
</Directory>
For Nginx, you'll need to add the following lines to your Nginx configuration file (/etc/nginx/nginx.conf or /etc/nginx/sites-available/default):
location /cacti {
alias /var/www/html/cacti;
index index.php;
try_files $uri $uri/ /cacti/install/index.php?$args;
}
To initialize the Cacti database, run the following command:
sudo mysql -u cactiuser -p cacti < /var/www/html/cacti/cacti.sql
Enter the password you chose earlier.
The Cacti poller is a script that collects data from devices on your network. To schedule the poller, run the following command:
sudo crontab -e
Add the following line:
*/5 * * * * /usr/bin/php /var/www/html/cacti/poller.php > /dev/null 2>&1
This will run the poller every 5 minutes.
You can now access the Cacti web interface by navigating to http://your_server_ip/cacti/ in your web browser.
Enter the default username and password (admin/admin) and change them to a secure value.
In this tutorial, you learned how to install Cacti on Clear Linux Latest. With Cacti, you can monitor your network's performance and identify issues before they become problems.
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