How To Install Cacti Monitoring Server on Debian 10 with Nginx

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Today, we are going to learn that How To Install Cacti Monitoring Server on Debian 10 with Nginx. Cacti is a Monitoring server along with the network graphing solution specially designed to harness the power of RRDTool’s data storage & graphics functionality. You can find the more about Cacti from any search engine. In short, Cacti is well maintained Server for the LAN networks to the complex ones. So, here we we learn that how we can install Cacti on our Debian System.

Step 1: Update System

As usual, update your system by

sudo apt udpate 

Step 2:Install Required Packages

Install the dependency packages required for cacti if they are not present before.

sudo apt install software-properties-common
sudo apt install nginx
sudo apt install curl vim acl composer fping git graphviz imagemagick mariadb-client mariadb-server mtr-tiny nginx-full python-memcache python-mysqldb snmp snmpd whois php-snmp rrdtool librrds-perl

Step 3: Install PHP & PHP extensions

Type the given command to install PHP & its required extensions

sudo apt -y install php php-common
sudo apt -y install php-cli php-fpm php-json php-pdo php-mysql php-zip php-gd php-mbstring php-curl php-xml php-pear php-bcmath php-gmp php-ldap

Step 4: Database Configuration

Configure the database as we’ve installed it in step 2.

sudo systemctl enable mysql
sudo systemctl restart mysql
sudo mysql -u root -p

Create Database & User for Cacti

Create a database with name cacti as the demo data also contain database with cacti name. To make our work easier create with cacti name.

CREATE DATABASE cacti;
CREATE USER 'cactiuser'@'localhost' IDENTIFIED BY 'Your_password';
GRANT ALL PRIVILEGES ON cacti.* TO 'cactiuser'@'localhost';
FLUSH PRIVILEGES;
EXIT

Now, give the Cacti user access to the MySQL Timezone Database.

sudo mysql -u root -p mysql < /usr/share/mysql/mysql_test_data_timezone.sql

Then login to the MariaDB

sudo mysql -u root -p

Give Permissions to the cacti user.

GRANT SELECT ON mysql.time_zone_name TO cactiuser@localhost;
ALTER DATABASE cacti CHARACTER SET = 'utf8mb4' COLLATE = 'utf8mb4_unicode_ci'
flush privileges;
exit

Then open the below file & scroll to the [mysqld] section

sudo vim /etc/mysql/mariadb.conf.d/50-server.cnf

And then do the changes as below:

[mysqld]
……..
collation-server = utf8mb4_unicode_ci
character-set-server = utf8mb4
max_heap_table_size = 128M
tmp_table_size = 64M
join_buffer_size = 64M
innodb_file_format = Barracuda
innodb_large_prefix = 1
innodb_buffer_pool_size = 1GB
innodb_buffer_pool_instances = 10
innodb_flush_log_at_timeout = 3
innodb_read_io_threads = 32
innodb_write_io_threads = 16
innodb_io_capacity = 5000
innodb_io_capacity_max = 10000

After it restart the MariaDB services.

sudo systemctl restart mysql

Step 5: Configuring PHP FPM

Change the timezone to your’s in php.ini file.

sudo nano /etc/php/7.3/fpm/php.ini

Scroll to the [Date] section & add your timezone without comment.

sudo nano /etc/php/7.3/cli/php.ini

Here also set the above timezone.

And then restart PHP-FPM services

sudo systemctl restart php7.3-fpm

Step 6: Configuring Nginx Server

Nginx web server is the recommended one. You can choose your desired one. As we’ve selected the Nginx so we’ll go through its configuration.

First of all remove the default page of Nginx

sudo rm /etc/nginx/sites-enabled/default

Then create a new file

sudo nano /etc/nginx/conf.d/cacticonfig.conf

And add the below content.

server {
listen 80;
server_name example.com;
root /var/www/html;
index index.php;
access_log /var/www/html/log/cactiacess.log;
error_log /var/www/html/log/cacti.log;
charset utf-8;
gzip on;
gzip_types text/css application/javascript text/javascript application/x-javascript image/svg+xml text/plain text/xsd text/xsl text/xml image/x-icon;
location / {
try_files $uri $uri/ /index.php?$query_string;
}
location /api/v0 {
try_files $uri $uri/ /api_v0.php?$query_string;
}
location ~ .php {
include fastcgi.conf;
fastcgi_split_path_info ^(.+.php)(/.+)$;
fastcgi_pass unix:/var/run/php/php7.3-fpm.sock;
}
location ~ /.ht {
deny all;
}
}

Restart the Nginx services.

sudo systemctl restart nginx 

Step 7: Installing Cacti

Go to the latest Cacti release & download it

curl -O https://www.cacti.net/downloads/cacti-latest.tar.gz

Extract the downloaded package

tar -zxvf cacti-latest.tar.gz

Then move the files to the web root directory & then change the name of the directory.

sudo mv cacti-1* /var/www/html/
sudo mv /var/www/html/cacti-*/ /var/www/html/cacti

After it change the ownership

sudo chown -R www-data:www-data /var/www/html

Now, import the default Cacti Data.

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

Edit the Cacti Configuration file

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

And set the database info.

$database_type = "mysql";
$database_default = "cacti";
$database_hostname = "localhost";
$database_username = "cactiuser";
$database_password = "your_password";
$database_port = "3306";
$database_ssl = false;

Replace the username cactiuser & password with your’s.

After it restart the nginx.

sudo systemctl restart nginx.

Step 8: Edit crontab file

Edit the crontab file and add the following to it.

$ sudo nano /etc/cron.d/cacti
*/5 * * * * www-data php /var/www/html/cacti/poller.php > /dev/null 2>&1

Step 9: Cacti Dashboard

Go to the web installer & follow the instructions by visiting http://IP

Enter the default credentials as admin for username & password.

how to install cacti monitoring server on debian 10 with nginx

Change your password to stay secure.

install cacti monitoring server on debian 10 with nginx

Accept the Licence Agreement & click on Begin.

install cacti monitoring server

Choose the mode as dark or default & hit Begin.

accept license agreement  cacti monitoring server

If all the requirements are properly configured you’ll see the following screen. Then click Next if all gives a green thumbs up.

cacti monitoring server on debian 10

Click Next.

Select your Installation type & hit Next.

cacti monitoring server

After Directory Permissions checks. Hit Next.

cacti monitoring server with nginx

Click Next to accept the directories to store the binary files of cacti.

how to install cacti on debian 10

And then read the Statement carefully & proceed to Next.

how to configure cacti monitoring server on debian 10 with nginx

Select default profiles for poller & networks.

cacti monitoring server

Select the templates & click Next.

It will do the Configuration checks. When finished, just hit Next.

Now, confirm the installation by checking the radio button & then click on Install to start the Installation process.

Wait until Installation is complete.

When done, do refresh the page & you’ll see the login page. Provide your username & password to go to the dashboard.

You are here to the dashboard.

cacti monitoring server

So, that’s how we have Installed & Configured Cacti Server on Debian 10.

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