zabbix_datacenter_monitoring

Bash script for deploying Zabbix 6.4 on Ubuntu 22.04 with optimized settings for datacenter environments.

Zabbix 6.4 Installation and Configuration on Ubuntu 22.04

This repository contains a Bash script for automating the installation and configuration of Zabbix 6.4 on an Ubuntu 22.04 server using the LAMP stack.

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Test Environment - Monitored Devices

• 90 VMs (Linux and Windows).
• 4 hyper-converged cluster virtualizers.
• 2 layer switches.
• 2 firewalls in HA.
• 1 enterprise NAS for secure VM backups.

Recommended Hardware Requirements for Virtual machine

• 150GB SSD (SSD virtual hard disk).
• 8GB RAM.
• 4 vCPUs.

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Optimizations Applied

1. Zabbix Server Optimization

In the configuration file /etc/zabbix/zabbix_server.conf, the ValueCacheSize value was adjusted to 64MB.

Benefits:

• Provides better stability for environments with a high number of monitored metrics (90+ VMs).
• Enhances performance for caching metrics.

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2. MySQL Optimization

In the configuration file /etc/mysql/mysql.conf.d/mysqld.cnf, the following changes were made:

1. Uncommented and configured:

   log_bin = /var/log/mysql/mysql-bin.log
   binlog_expire_logs_seconds = 432000
   max_binlog_size   = 100M
   

Benefits:

• Reduces disk space used by binary logs while maintaining an adequate recovery window
• Efficient File Management: Smaller, more manageable log files improve read/write speed.
• binlog_expire_logs_seconds = 432000 (from 2592000, equivalent to 30 days, to 432000, equivalent to 5 days).

Notes

• This script is intended for fresh Ubuntu 22.04 installations.

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How to Run the Script

1. Update the system

   sudo su
   apt update && apgrade -y
   

2. Clone the repository

   git clone https://github.com/eugeniogiusti/zabbix_datacenter_monitoring.git
   cd zabbix_datacenter_monitoring
   
   

3. Make the script executable:

   chmod +x install_zabbix.sh
   
   

4. Run the script as root:

   sudo ./install_zabbix.sh
   
   

5. Access the Zabbix Frontend / Find the server’s IP address:

   http://yourlocalip/zabbix
   
   

6. Complete the initial configuration wizard: Enter the database details configured by the script:

Database Name: zabbix User: zabbix Password: Password2025!

Follow the steps to finish the setup. Log in to the Zabbix dashboard with the default credentials:

Username: Admin
Password: zabbix