journalctl -xe
-- Support: https://access.redhat.com/support
--
-- Automatic restarting of the unit zabbix-agent.service has been schedule>
-- the configured Restart= setting for the unit.
Oct 26 21:08:05 as systemd[1]: Stopped Zabbix Agent.
-- Subject: Unit zabbix-agent.service has finished shutting down
-- Defined-By: systemd
-- Support: https://access.redhat.com/support
--
-- Unit zabbix-agent.service has finished shutting down.
Oct 26 21:08:05 as systemd[1]: Starting Zabbix Agent...
-- Subject: Unit zabbix-agent.service has begun start-up
-- Defined-By: systemd
-- Support: https://access.redhat.com/support
--
-- Unit zabbix-agent.service has begun starting up.
Oct 26 21:08:05 as zabbix_agentd[31419]: zabbix_agentd [31419]: ERROR: Sta>
Oct 26 21:08:05 as systemd[1]: zabbix-agent.service: Control process exite>
Oct 26 21:08:05 as systemd[1]: zabbix-agent.service: Failed with result 'e>
Oct 26 21:08:05 as systemd[1]: Failed to start Zabbix Agent.
-- Subject: Unit zabbix-agent.service has failed
-- Defined-By: systemd
-- Support: https://access.redhat.com/support
--
-- Unit zabbix-agent.service has failed.
--
-- The result is RESULT.
lines 3460-3486/3486 (END)
-- Support: https://access.redhat.com/support
--
-- Automatic restarting of the unit zabbix-agent.service has been scheduled, as the result for
-- the configured Restart= setting for the unit.
Oct 26 21:08:05 as systemd[1]: Stopped Zabbix Agent.
-- Subject: Unit zabbix-agent.service has finished shutting down
-- Defined-By: systemd
-- Support: https://access.redhat.com/support
--
-- Unit zabbix-agent.service has finished shutting down.
Oct 26 21:08:05 as systemd[1]: Starting Zabbix Agent...
-- Subject: Unit zabbix-agent.service has begun start-up
-- Defined-By: systemd
-- Support: https://access.redhat.com/support
--
-- Unit zabbix-agent.service has begun starting up.
Oct 26 21:08:05 as zabbix_agentd[31419]: zabbix_agentd [31419]: ERROR: StartAgents is not 0, parameter "Server" must be defined
Oct 26 21:08:05 as systemd[1]: zabbix-agent.service: Control process exited, code=exited status=1
Oct 26 21:08:05 as systemd[1]: zabbix-agent.service: Failed with result 'exit-code'.
Oct 26 21:08:05 as systemd[1]: Failed to start Zabbix Agent.
-- Subject: Unit zabbix-agent.service has failed
-- Defined-By: systemd
-- Support: https://access.redhat.com/support
--
-- Unit zabbix-agent.service has failed.
--
-- The result is RESULT.
这是啥情况呀

more zabbix_server.log 可以看下有什么日志