This script automates the upgrade/installation of Zabbix Agent 7.2 on Linux systems.

• Automatically detects and supports both Red Hat-based (RHEL/CentOS) and Debian-based (Ubuntu/Debian) systems
• Creates backups of existing Zabbix agent configurations before making changes
• Installs Zabbix Agent 7.2, zabbix-get, and zabbix-sender
• Enables and starts the Zabbix agent service automatically

Make the script executable:

chmod +x upgrade_zabbix.sh

Run the script as root:

sudo ./upgrade_zabbix.sh

• The script requires internet access to download the Zabbix repositories and packages
• Configuration backups are stored in /backup/zabbix-agent2-config
• The script removes any existing Zabbix repositories before installing the new ones
• Last updated: April 2025 for Zabbix 7.2