如果沒有check_mysql插件，需要安裝Mysql數據庫

1、建立專用數據庫： [root@svr3 ~]#mysql -u root -p

Enter password:

Welcome to the MySQL monitor. ?Commands end with ; or \g.

Your MySQL connection id is 51910

Server version: 5.5.3-m3-log Source distribution

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> create database nagios;

Query OK, 1 row affected (0.00 sec)

mysql> grant select on nagios.* to nagios@'%' identified by '123qweasd';

Query OK, 0 rows affected (0.00 sec)

mysql> flush privileges;

Query OK, 0 rows affected (0.00 sec)

mysql> select User,Password,Host from user;

+----------------+-------------------------------------------+------------------+

| User ? ? ? ? ? | Password ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?| Host ? ? ? ? ? ? |

+----------------+-------------------------------------------+------------------+

| root ? ? ? ? ? | *84BB5DF4823DA319BBF86C99624479A198E6EEE9 | localhost ? ? ? ?|

| nagios ? ? ? ? | *A1F1CB851D62F002C09A0C9C4A76262473432F55 | % ? ? ? ? ? ? ? ?|

+----------------+-------------------------------------------+------------------+

14 rows in set (0.00 sec)

12 rows in set (0.00 sec)

2.測試check_mysql

[root@svr3 ~]# /usr/local/nagios/libexec/check_mysql -H 10.1.1.30 -u nagios -d nagios -p 123qweasd

Uptime: 970046 ?Threads: 1 ?Questions: 684583 ?Slow queries: 3 ?Opens: 672 ?Flush tables: 1 ?Open tables: 369 ?Queries per second avg: 0.705 3.在command.cfg里增加插件命令： #check mysql define command{ command_name check_mysql command_line $USER1$/check_mysql -H $HOSTADDRESS$ -u nagios -d nagios -p 123qweasd } ?4.在localhost.cfg里定義服務 define service { ? ? ? ? host_name svr3.labexam.com ? ? ? ? service_description MysqlDB ? ? ? ? check_period 24x7 ? ? ? ? max_check_attempts 2 ? ? ? ? normal_check_interval 1 ? ? ? ? retry_check_interval 1 ? ? ? ? contact_groups sagroup,dbagroup ? ? ? ? notification_interval 5 ? ? ? ? notification_period 24x7 ? ? ? ? notification_options w,u,c,r ? ? ? ? check_command check_mysql }

總結

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