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[MySQL] Centos下的启动和关闭_MySQL

Jun 01, 2016 pm 01:28 PM
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CentOS

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[MySQL] Centos下的启动和关闭

 

现在主流的Unix系统有两种风格:System V和BSD,他们的区别如下:

 

[MySQL] Centos下的启动和关闭_MySQL

 

 

Linux作为类Unix,同样也存在这两种风格,其中Centos属于System V,本文主要介绍在Centos下(即System V风格)如何启动和关闭MySQL,同时简单介绍BSD系统的情况。

 

MySQL启动方式

1)直接调用mysqld。这是最不常见的方式,不推荐使用。

2)运行mysql.server脚本

mysql.server脚本通过调用mysqld_safe启动服务器,该脚本可以通过参数start和stop指定启动还是关闭。

mysql.server脚本在MySQL安装目录下的share/mysql目录中,如果是采用源码安装的MySQL,则可以在support-files目录里找到。如果想使用mysql.server,则必须把它复制到合适的运行级别目录中,如下所示:

1

[plain] cp mysql.server /etc/init.d/mysqld  chmod 755 /etc/init.d/mysqld  如上配置之后,就可以利用以下命令启动和关闭MySQL实例了:[sql] service mysqld start/stop  /etc/init.d/mysqld start/stop  使用chkconfig命令配置开机自动启动:[sql] chkconfig --add mysqld  chkconfig mysqld on  运行以下命令检查是否正确启用:[plain] [root@data data]# chkconfig --list mysqld  mysqld          0:off   1:off   2:on    3:on    4:on    5:on    6:off  MySQL关闭方式[sql] mysqladmin -p -u root shutdown

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