Final answer:
Migrating Zabbix to a new server involves installing the same version of Zabbix on the new machine, transferring the database and configuration files, copying the PHP frontend files, and updating external configurations such as DNS and firewall settings.
Step-by-step explanation:
Migrating Zabbix to another server involves several key steps to ensure that data and configurations are transferred accurately. The first step is to install the same version of Zabbix server software on the new machine. Next, export the Zabbix database from the old server using a database management tool like mysqldump for MySQL or pg_dump for PostgreSQL. After this, you will need to transfer the database dump to the new server and import it into the newly created Zabbix database. Also, make sure to copy the Zabbix server configuration file (zabbix_server.conf) to preserve your settings.
Besides the database and configuration file, the Zabbix PHP frontend files should be copied from the old server's webserver directory to the new one, making sure to maintain file and directory permissions. Once all data and configurations are in place on the new server, restart the Zabbix server and web server services to apply the changes. Lastly, it's essential to update any external configurations such as DNS or firewall settings that point to the old server with the new server's IP address or hostname.
While performing these tasks, ensure that all services on the old server are stopped to prevent data discrepancies during the migration process. After successful verification that the new server is operational with all functionalities intact, the old server can be decommissioned.