Install Cacti on Proxmox Container Ubuntu 24.04

Here’s a clean step-by-step guide for Cacti installation on Ubuntu 24.04 inside your Proxmox CT 

 Update the System 

 sudo apt update && sudo apt upgrade -y 

 Install Required Packages, Cacti needs a web server, PHP, SNMP, RRDtool, and MySQL/MariaDB. 

 sudo apt install -y apache2 mariadb-server mariadb-client \

php php-mysql php-snmp php-xml php-ldap php-gd php-mbstring php-gmp \

rrdtool snmp snmpd librrds-perl unzip git 

 Enable required Apache modules: 

 sudo a2enmod php* rewrite

sudo systemctl restart apache2 

 Secure MariaDB: 

 sudo mysql_secure_installation 

 

 

 Set root password 

 

 

 Remove anonymous users 

 

 

 Disallow remote root login 

 

 

 Remove test DB 

 

 

 Reload privilege tables 

 

 

 Create Cacti database and user: 

 mysql -u root -p

CREATE DATABASE cacti CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

CREATE USER 'cactiuser'@'localhost' IDENTIFIED BY 'yourpassword';

GRANT ALL PRIVILEGES ON cacti.* TO 'cactiuser'@'localhost';

GRANT SELECT ON mysql.time_zone_name TO 'cactiuser'@'localhost';

FLUSH PRIVILEGES;

EXIT; 

 Load time zone data: 

 mysql_tzinfo_to_sql /usr/share/zoneinfo | sudo mysql -u root -p mysql 

 Download Cacti official GitHub: https://github.com/Cacti/cacti 

 cd /var/www/html

sudo git clone -b master https://github.com/Cacti/cacti.git

sudo chown -R www-data:www-data cacti 

 Import Default Database 

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

 Configure Cacti Settings,Edit config file: 

 sudo nano /var/www/html/cacti/include/config.php 

 Set DB info: 

 $database_type = "mysql";

$database_default = "cacti";

$database_hostname = "localhost";

$database_username = "cactiuser";

$database_password = "yourpassword";

$database_port = "3306"; 

 Configure Apache, for cacti 

 sudo nano /etc/apache2/sites-available/cacti.conf 

 Paste 

 <VirtualHost *:80>

 DocumentRoot /var/www/html/cacti

 ServerName cacti.local

 <Directory /var/www/html/cacti>

 Options +FollowSymLinks

 AllowOverride All

 Require all granted

 </Directory>

 ErrorLog ${APACHE_LOG_DIR}/cacti_error.log

 CustomLog ${APACHE_LOG_DIR}/cacti_access.log combined

</VirtualHost> 

 Enable site: 

 sudo a2ensite cacti.conf

sudo systemctl reload apache2 

 Configure Cron for Poller: 

 sudo nano /etc/cron.d/cacti 

 Add: 

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

 Configure SNMP, Edit SNMP daemon: 

 sudo nano /etc/snmp/snmpd.conf 

 Example (simple): 

 rocommunity public

sysLocation ServerRoom

sysContact admin@example.com 

 Restart SNMP: 

 sudo systemctl restart snmpd 

 Access Cacti Web Installer 

 http://<your-server-ip>/cacti 

 Now you have Cacti latest version running on Ubuntu 24.04