CentOS7安装MySQL

CentOS7安装MySQL

MySQL官网下载所需版本:

https://dev.mysql.com/downloads/repo/yum/

或者用wget命令下载:

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wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm

注意:

  • 1.1.1、wget没安装的话需要先安装wget:sudo yum install -y wget
  • 1.1.2、最好做一下和校验:
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    md5sum mysql57-community-release-el7-11.noarch.rpm

安装MySQL软件包的源:

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sudo rpm -ivh mysql57-community-release-el7-11.noarch.rpm

开始安装MySQL

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yum install mysql-community-server

或者这条命令:

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sudo yum install mysql-server

启动MySQL服务:

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sudo systemctl start mysqld

查看MySQL运行状态:

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sudo systemctl status mysqld

如果看到一下内容说明安装并启动成功。

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*
其他内容
*
Active: active (running)
*
其他内容
*
Started MySQL Server.

这个命令也行,不过最后会自动转到另一个命令

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service mysqld restart

实际执行效果:

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[liudecai@a ~]$ service mysqld restart
Redirecting to /bin/systemctl restart mysqld.service

到此MySQL算是安装成功。

安装后可以用一下命令查看mysql的临时密码:

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sudo grep 'temporary password' /var/log/mysqld.log

配置MySQL:

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sudo mysql_secure_installation

安装wget

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sudo yum install -y wget
wget -V
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