zabbix_agentd.log里面有出现host [***] not found错误的解决

# tail /var/log/zabbix/zabbix_agentd.log 

1266:20140523:063554.157 no active checks on server [127.0.0.1:10051]: host [zabbix.linuxidc.com] not found

出现该错误的原因是一般是zabbix_agentd.conf里面的Hostname和前端zabbix web里面的配置不一样所造成的，即在zabbix web页面Monitoring->Configuration->Hosts 页面的Name和zabbix_agentd.conf里面的Hostname要一样。 

解决方法：

1.查看zabbix_agentd.conf文件中的Hostname

# cat /etc/zabbix/zabbix_agentd.conf | grep Hostname

### Option: Hostname

# Value is acquired from HostnameItem if undefined.

# Hostname=

Hostname=zabbix.linuxidc.com

### Option: HostnameItem

# Item used for generating Hostname if it is undefined. Ignored if Hostname is defined.

# HostnameItem=system.hostname

# Aliases can be used in HostMetadataItem but not in HostnameItem parameters. 

2.在zabbix web页面Monitoring->Configuration->Hosts 页面更改Host name和zabbix_agentd.conf里面的Hostname一样。 

3.重新启动zabbix-agent服务

# service zabbix-agent restart

Shutting down Zabbix agent: [ OK ]

Starting Zabbix agent: [ OK ]

4.再次查看日志文件

[root@bjsd-zabbix-x86v-app01 ~]# tail /var/log/zabbix/zabbix_agentd.log 

1262:20140523:063900.738 Got signal [signal:15(SIGTERM),sender_pid:2615,sender_uid:0,reason:0]. Exiting ...

1257:20140523:063900.741 Got signal [signal:15(SIGTERM),sender_pid:2615,sender_uid:0,reason:0]. Exiting ...

1257:20140523:063900.762 Zabbix Agent stopped. Zabbix 2.2.3 (revision 44105).

2627:20140523:063900.929 Starting Zabbix Agent [zabbix.linuxidc.com]. Zabbix 2.2.3 (revision 44105).

2627:20140523:063900.929 using configuration file: /etc/zabbix/zabbix_agentd.conf

2628:20140523:063900.941 agent #0 started [collector]

2630:20140523:063900.943 agent #2 started [listener #2]

2629:20140523:063900.944 agent #1 started [listener #1]

2631:20140523:063900.947 agent #3 started [listener #3]

2632:20140523:063900.948 agent #4 started [active checks #1]