https://bestmonitoringtools.com/install-zabbix-agent-on-windows-server-monitoring/
https://bestmonitoringtools.com/zabbix-agent-linux-install-on-ubuntu-centos-rhel-debian-rasbian/
http://www.zabbixbook.com/2017/08/01...sk-encryption/
https://www.zabbix.com/documentation/current/manual/web_interface/frontend_sections/administration/general
https://sbcode.net/zabbix/agent-psk-encryption/