JAVA高级面试进阶训练营视频教程

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1 nagios 守护进程引起的一系列问题
1 影响nagios web页面收集监控信息 致使页面出现时而收集不到服务信息
2 影响pnp查看图形化，出图缓慢
3 影响查看服务状态信息，致使有时候查看不了服务状态

解决方法
通过命令ps -ef|grep nagios.cfg确认 是否开启多个守护进程
如果发现多个全部kill掉在重新启动守护进程

kill -9 xxxx

原因：启动了两个nagios进程，可通过命令ps -ef|grep nagios.cfg确认。全kill掉之后再启动就可以了。也可以在nagios启动脚本（/etc/init.d/nagios）中加入判 断，start时如果已有nagios进程在运行则强制kill，kill成功再继续启动，失败则退出。
Warning: The check of service 'load' on host 'Nagios' looks like it was orphaned (results never came back).  I'm scheduling an immediate check of the service...
[1354527841] Warning: The check of service 'procs' on host 'Nagios' looks like it was orphaned (results never came back).  I'm scheduling an immediate check of the service...
/usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg
添加网卡流量监控的错误

Unknown - Read or Write File /var/tmp/check_traffic_localhost_2_root_itnms.hist_dat_64 Error with user uid=501(nagios) gid=501(nagios) groups=501(nagios),502(nagcmd).

解决删除/var/tmp/check_traffic_localhost_2_root_itnms.hist_dat_64

 

转自：http://bbs.chinaunix.net/forum.php?mod=viewthread&tid=4055566&highlight=