CentOS 7.2 安装MySQL 5.7
方法/步骤
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在MySQL官网中找到yum源rpm安装包
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下载mysql源安装包,这里可以从官网上下载再上传上到CentOS中,也可以用wget直接下载:
wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm
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安装mysql源
yum localinstall mysql57-community-release-el7-8.noarch.rpm
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安装MySQL
yum install mysql-community-server
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启动MySQL服务
systemctl start mysqld
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查看MySQL的启动状态
systemctl status mysqld
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开机启动
systemctl enable mysqld
systemctl daemon-reload
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mysql安装完成之后,在/var/log/mysqld.log文件中给root生成了一个默认密码。通过下面的方式找到root默认密码,然后登录mysql进行修改:
grep 'temporary password' /var/log/mysqld.log
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登录mysql,修改密码:
ALTER USER USER() IDENTIFIED BY '新密码';
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注:前面设置密码的时间,遇到一个密码安全的问题:
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
这个可以用set global validate_password_policy=0;设置