- A+
所属分类：System
系统：Centos 6.4
服务器：hostname:Nagios-Server kernel:2.6.32-358.el6.x86_64 IP:1.1.1.26
客户端：hostname:Nagios-Client kernel:2.6.32-358.el6.x86_64 IP:1.1.1.27
升级内核：
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[root@Nagios-Server ~]# yum install ntpdate -y #安装ntpdate，时间同步 [root@Nagios-Server ~]# /usr/sbin/ntpdate time.nist.gov #时间同步 [root@Nagios-Server ~]# yum install kernel kernel-devel gcc gcc-c++ wget vim -y #升级内核 [root@Nagios-Client ~]# yum install ntpdate -y [root@Nagios-Client ~]# /usr/sbin/ntpdate time.nist.gov [root@Nagios-Client ~]# yum install kernel kernel-devel gcc gcc-c++ wget vim -y |
升级后内核：
服务器：2.6.32-504.1.3.el6.x86_64
客户端：2.6.32-504.1.3.el6.x86_64
日志分析：
一、服务
①check_users服务监控，第一次soft、第二次soft、第三次hard，在然后发送邮件
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[1417348396] Warning: Return code of 255 for check of service 'check_users' on host '1.1.1.27' was out of bounds. [1417348396] SERVICE ALERT: 1.1.1.27;check_users;CRITICAL;SOFT;1;(Return code of 255 is out of bounds) [1417348456] Warning: Return code of 255 for check of service 'check_users' on host '1.1.1.27' was out of bounds. [1417348456] SERVICE ALERT: 1.1.1.27;check_users;CRITICAL;SOFT;2;(Return code of 255 is out of bounds) [1417348516] Warning: Return code of 255 for check of service 'check_users' on host '1.1.1.27' was out of bounds. [1417348516] SERVICE ALERT: 1.1.1.27;check_users;CRITICAL;HARD;3;(Return code of 255 is out of bounds) [1417348516] SERVICE NOTIFICATION: nagiosadmin;1.1.1.27;check_users;CRITICAL;notify-service-by-email;(Return code of 255 is out of bounds) |
②：check_zombie_procs服务监控，第一次soft、第二次soft、第三次hard，在然后发送邮件
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[1417348426] Warning: Return code of 255 for check of service 'check_zombie_procs' on host '1.1.1.27' was out of bounds. [1417348426] SERVICE ALERT: 1.1.1.27;check_zombie_procs;CRITICAL;SOFT;1;(Return code of 255 is out of bounds) [1417348486] Warning: Return code of 255 for check of service 'check_zombie_procs' on host '1.1.1.27' was out of bounds. [1417348486] SERVICE ALERT: 1.1.1.27;check_zombie_procs;CRITICAL;SOFT;2;(Return code of 255 is out of bounds) [1417348546] Warning: Return code of 255 for check of service 'check_zombie_procs' on host '1.1.1.27' was out of bounds. [1417348546] SERVICE ALERT: 1.1.1.27;check_zombie_procs;CRITICAL;HARD;3;(Return code of 255 is out of bounds) [1417348546] SERVICE NOTIFICATION: nagiosadmin;1.1.1.27;check_zombie_procs;CRITICAL;notify-service-by-email;(Return code of 255 is out of bounds) |
③：check_total_procs服务监控，第一次soft、第二次soft、第三次hard，在然后发送邮件
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[1417348436] Warning: Return code of 255 for check of service 'check_total_procs' on host '1.1.1.27' was out of bounds. [1417348436] SERVICE ALERT: 1.1.1.27;check_total_procs;CRITICAL;SOFT;1;(Return code of 255 is out of bounds) [1417348496] Warning: Return code of 255 for check of service 'check_total_procs' on host '1.1.1.27' was out of bounds. [1417348496] SERVICE ALERT: 1.1.1.27;check_total_procs;CRITICAL;SOFT;2;(Return code of 255 is out of bounds) [1417348556] Warning: Return code of 255 for check of service 'check_total_procs' on host '1.1.1.27' was out of bounds. [1417348556] SERVICE ALERT: 1.1.1.27;check_total_procs;CRITICAL;HARD;3;(Return code of 255 is out of bounds) [1417348556] SERVICE NOTIFICATION: nagiosadmin;1.1.1.27;check_total_procs;CRITICAL;notify-service-by-email;(Return code of 255 is out of bounds) |
二、主机
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[1417349046] HOST ALERT: 1.1.1.27;DOWN;SOFT;1;CRITICAL - Host Unreachable (1.1.1.27) [1417349116] HOST ALERT: 1.1.1.27;DOWN;SOFT;2;CRITICAL - Host Unreachable (1.1.1.27) [1417349186] HOST ALERT: 1.1.1.27;DOWN;HARD;3;CRITICAL - Host Unreachable (1.1.1.27) [1417349186] HOST NOTIFICATION: nagiosadmin;1.1.1.27;DOWN;notify-host-by-email;CRITICAL - Host Unreachable (1.1.1.27) |
配置：
①：配置报警邮箱
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sed -i 's#email nagios@localhost#email byrd_monitor@163.com#g' /usr/local/nagios/etc/objects/contacts.cfg #修改发送报警邮件地址 |
②：配置主机报警频次（备注：可以自定义，也可以修改修改/usr/local/nagios/etc/objects/templates.cfg）
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define host{ name linux-server #linux模板通用名 use generic-host #继承了通用主机模板的其他值 check_period 24x7 #检查周期7*24小时 check_interval 2 #每隔2分钟检查一次 retry_interval 1 #异常后，1分钟后重试 max_check_attempts 3 #异常后，最大尝试3次，然后报警 check_command check-host-alive #检查主机存活命令 notification_period 24x7 #工作时间通知 notification_interval 2 #异常后，通知间隔2分 notification_options d,u,r #当主机down(关机)、unrealcable(不可达)、recovery(恢复) contact_groups admins #通知发送管理员组 register 0 #？？？ } |
③：配置服务报警频次
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define service{ name generic-service #通用服务模板名称 active_checks_enabled 1 #服务检查启用 passive_checks_enabled 1 #被动检查启用 parallelize_check 1 #并行检查开启 obsess_over_service 1 #分布式监控使用，1启用，0禁用 check_freshness 0 #不检查服务'freshness' notifications_enabled 1 #服务通知启用 event_handler_enabled 1 #启用服务事件处理程序 flap_detection_enabled 1 #Flap detection is enabled failure_prediction_enabled 1 #启用故障预测 process_perf_data 1 #性能数据 retain_status_information 1 #保留重新启动状态信息 retain_nonstatus_information 1 #保留非状态信息 is_volatile 0 #The service is not volatile check_period 24x7 #7*24 max_check_attempts 3 #重新检查服务3次，以确认是否真正的状态 normal_check_interval 1 #正常情况下每个1分钟检查一次 retry_check_interval 1 #每隔1分钟检查一次服务，直到真正的状态确定 contact_groups admins #通知管理组 notification_options w,u,c,r #发送通知，当服务状态为warning, unknown, critical, and recovery events notification_interval 2 #60分钟后重新通知状态 notification_period 24x7 #7*24 register 0 #？？？ } |
参考文档：http://www.t4x.org/system/nagios-server-and-define-host-services/
参考文档：http://www.t4x.org/system/nagios-template-configuration-file-comments/
