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Add Remote Linux Host to Cacti for Monitoring - Do it now
This article covers how to add a #Linux host to #Cacti.
Basically, Cacti is a network #monitoring device that creates personalized graphs of server efficiency.
SNMP, short for Simple Network Management Protocol is a protocol used for gathering information about devices in a network. Using SNMP, you can poll metrics such as CPU utilization, memory usage, disk utilization, network bandwidth, and so on.
To install snmp agent on Ubuntu, run the command:
$ sudo apt install snmp snmpd -y
To install #snmp agent On CentOS 8, run the command:
$ sudo dnf install net-snmp net-snmp-utils -y
SNMP starts automatically upon installation.
To confirm this, confirm the status by running:
$ sudo systemctl status snmpd
If the service is not running yet, start and enable it on boot as shown:
$ sudo systemctl start snmpd
To Add Remote Linux Host to Cacti for Monitoring:
1. Install SNMP service on Linux hosts. SNMP, short for Simple Network Management Protocol is a protocol used for gathering information about devices in a network.
2. Configuring SNMP service.
3. Configure the firewall rules for snmp.
4. Adding remote Linux host to Cacti.
To Install and Configure Cacti:
1. Cacti require few more dependencies, run the following command to install them:
yum -y install net-snmp rrdtool net-snmp-utils
2. As we have all the dependencies ready, we can now download the install package from Cacti website.
cd /var/www/html
wget http://www.cacti.net/downloads/cacti-1.1.10.tar.gz
3. You can always find the link to the latest version of the application on Cacti download page. Extract the archive using the following command.
tar xzvf cacti*.tar.gz
4. Rename your Cacti folder using:
mv cacti-1*/ cacti/
5. Now import the Cacti database by running the following command.
cd /var/www/html/cacti
mysql cacti_data < cacti.sql -u root -p
6. The above command will import the cacti.sql database into cacti_data using the user root.
It will also ask you the password of root user before importing the database.
7. Now edit Cacti configuration by running the following command.
nano /var/www/html/cacti/include/config.php
8. Now find the following lines and edit them according to your MySQL database credentials.
/* make sure these values reflect your actual database/host/user/password */
$database_type = 'mysql';
$database_default = 'cacti_data';
$database_hostname = 'localhost';
$database_username = 'cacti_user';
$database_password = 'StrongPassword';
$database_port = '3306';
$database_ssl = false;
How to install and configure Icinga2 on Ubuntu
Icinga 2 helps in the monitoring of core resources on a server thereby serving as a resort of comfort for webmasters and website owners from panic and fear of unnoticed critical service changes within the server environment.
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