** 今天在玩zabbix监控的时候，在被监控端装好agent后，添加主机时界面上提示报错
Zabbix agent on jiabao is unreachable for 5 minutes
查看日志却发现
[root@localhost tmp]# tail -f zabbix_server.log
26115:20190307:235549.064 cannot send list of active checks to "192.168.1.150": host [localhost] not found
26120:20190307:235715.010 executing housekeeper
26120:20190307:235715.015 housekeeper [deleted 0 hist/trends, 0 items, 0 events, 0 problems, 0 sessions, 0 alarms, 0 audit items in 0.003076 sec, idle for 1 hour(s)]
26115:20190307:235749.195 cannot send list of active checks to "192.168.1.150": host [localhost] not found
26115:20190307:235949.324 cannot send list of active checks to "192.168.1.150": host [localhost] not found
26115:20190308:000149.455 cannot send list of active checks to "192.168.1.150": host [localhost] not found
26115:20190308:000349.587 cannot send list of active checks to "192.168.1.150": host [localhost] not found
26115:20190308:000549.719 cannot send list of active checks to "192.168.1.150": host [localhost] not found
26115:20190308:000749.846 cannot send list of active checks to "192.168.1.150": host [localhost] not found
26115:20190308:000941.617 cannot send list of active checks to "192.168.1.150": host [localhost] not found
26117:20190308:001141.741 cannot send list of active checks to "192.168.1.150": host [localhost] not found
26117:20190308:001341.873 cannot send list of active checks to "192.168.1.150": host [localhost] not found
26117:20190308:001542.001 cannot send list of active checks to "192.168.1.150": host [localhost] not found
于是我就查看agent端的配置文件发现hostname字段
和
web界面上
不一致，因此出现了主机名识别不了导致无法连接，必须保证二者必须一致才可以
更改之后查看server端的日志
成功**
