grep nag /etc/group
nagios

500:nagios,apache,snmptt
nagcmd

501:nagios,apache,snmptt
tail -50 /var/log/mysqld.log
160113 12:54:51 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:54:51 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:54:51 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:54:51 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:54:51 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:54:51 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:54:53 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:55:41 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:55:48 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:55:50 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:55:58 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:56:04 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:56:09 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:56:17 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:56:29 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:56:29 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:56:33 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:56:40 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 12:56:40 [ERROR] /usr/libexec/mysqld: Table './nagios/nagios_logentries' is marked as crashed and last (automatic?) repair failed
160113 13:10:04 [Note] Found 18936396 of 2519861 rows when repairing './nagios/nagios_logentries'
160113 21:52:35 [Note] /usr/libexec/mysqld: Normal shutdown
160113 21:52:35 [Note] Event Scheduler: Purging the queue. 0 events
160113 21:52:35 InnoDB: Starting shutdown...
160113 21:52:38 InnoDB: Shutdown completed; log sequence number 0 44233
160113 21:52:38 [Note] /usr/libexec/mysqld: Shutdown complete
160113 21:52:38 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended
160113 14:10:52 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
160113 14:10:53 InnoDB: Initializing buffer pool, size = 8.0M
160113 14:10:53 InnoDB: Completed initialization of buffer pool
160113 14:10:53 InnoDB: Started; log sequence number 0 44233
160113 14:10:53 [Note] Event Scheduler: Loaded 0 events
160113 14:10:53 [Note] /usr/libexec/mysqld: ready for connections.
Version: '5.1.73' socket: '/var/lib/mysql/mysql.sock' port: 3306 Source distribution
160113 22:18:00 [Note] /usr/libexec/mysqld: Normal shutdown
160113 22:18:00 [Note] Event Scheduler: Purging the queue. 0 events
160113 22:18:02 InnoDB: Starting shutdown...
160113 22:18:07 InnoDB: Shutdown completed; log sequence number 0 44233
160113 22:18:07 [Note] /usr/libexec/mysqld: Shutdown complete
160113 22:18:07 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended
160113 14:36:14 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
160113 14:36:14 InnoDB: Initializing buffer pool, size = 8.0M
160113 14:36:14 InnoDB: Completed initialization of buffer pool
160113 14:36:15 InnoDB: Started; log sequence number 0 44233
160113 14:36:15 [Note] Event Scheduler: Loaded 0 events
160113 14:36:15 [Note] /usr/libexec/mysqld: ready for connections.
Version: '5.1.73' socket: '/var/lib/mysql/mysql.sock' port: 3306 Source distribution
To the messages log i have just sensor errors
tail -100 /var/log/messages
Jan 26 17:32:22 MY SERVER nagios: SERVICE ALERT: WINSERVER;CPU Stats;WARNING;HARD;5;WARNING - CPU usage at 94.75%
Jan 26 17:32:22 MY SERVER nagios: SERVICE NOTIFICATION: nagiosadmin;WINSERVER;CPU Stats;WARNING;xi_service_notification_handler;WARNING - CPU usage at 94.75%
Jan 26 17:33:08 MY SERVER nagios: SERVICE NOTIFICATION: nagiosadmin;WINSERVER01;Drive E: Disk Usage;CRITICAL;xi_service_notification_handler;connect to address 10.x.X.X and port 12489: Connection refused
Jan 26 17:33:10 MY SERVER nagios: SERVICE NOTIFICATION: nagiosadmin;WINSERVER002;CPU Stats;CRITICAL;xi_service_notification_handler;CRITICAL - CPU usage at 100%
Jan 26 17:33:10 MY SERVER nagios: SERVICE NOTIFICATION: nagiosadmin;WINSERVER002;CPU Stats;CRITICAL;xi_service_notification_handler;CRITICAL - CPU usage at 100%
Jan 26 17:33:10 MY SERVER nagios: SERVICE NOTIFICATION: nagiosadmin;WINSERVER002;CPU Stats;CRITICAL;xi_service_notification_handler;CRITICAL - CPU usage at 100%
Jan 26 17:33:10 MY SERVER nagios: SERVICE NOTIFICATION: nagiosadmin;WINSERVER002;CPU Stats;CRITICAL;xi_service_notification_handler;CRITICAL - CPU usage at 100%