linux cacti安装

sudo apt-get update
sudo apt-get install apache2 mysql-server php libapache2-mod-php php-mysql rrdtool snmp

sudo mysql_secure_installation
sudo mysql -u root -p
CREATE DATABASE cacti;
GRANT ALL PRIVILEGES ON cacti.* TO 'cactiuser'@'localhost' IDENTIFIED BY 'your_password';
FLUSH PRIVILEGES;
EXIT;

cd /var/www/html
sudo wget https://www.cacti.net/downloads/cacti-1.2.12.tar.gz
sudo tar -xzf cacti-1.2.12.tar.gz
sudo rm cacti-1.2.12.tar.gz
sudo chown -R www-data:www-data /var/www/html/cacti

$database_type = "mysql";
$database_default = "cacti";
$database_hostname = "localhost";
$database_username = "cactiuser";
$database_password = "your_password";

<?php
$host = '192.168.1.1';
$community = 'public';
$oid = '.1.3.6.1.2.1.1.1.0'; // System Description OID

$session = new SNMP(SNMP::VERSION_2c, $host, $community);
$sysDescr = $session->get($oid);

if ($sysDescr === false) {
    echo "SNMP error: " . $session->getError();
} else {
    echo "System Description: " . $sysDescr;
}
?>