zabbix server: agent config
vim /etc/zabbix/zabbix_agentd.conf
PidFile=/var/run/zabbix/zabbix_agentd.pid
LogFile=/var/log/zabbix/zabbix_agentd.log
LogFileSize=0
SourceIP= zabbix_server_IP
Server=127.0.0.1,zabbix_server_ip
ListenPort=10050
ServerActive=127.0.0.1
Hostname=Zabbix server
Include=/etc/zabbix/zabbix_agentd.d/
service zabbix-agent restart