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  • centOS 7 安装mysql

    安装环境:CentOS7 64位 MINI版,安装MySQL5.7

    1、配置YUM源

    在MySQL官网中下载YUM源rpm安装包:http://dev.mysql.com/downloads/repo/yum/ 

    # 下载mysql源安装包
    shell> wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm
    # 安装mysql源
    shell> yum localinstall mysql57-community-release-el7-8.noarch.rpm

    检查mysql源是否安装成功

    shell> yum repolist enabled | grep "mysql.*-community.*"

    检查mysql源安装是否正确 
    看到上图所示表示安装成功。 
    可以修改vim /etc/yum.repos.d/mysql-community.repo源,改变默认安装的mysql版本。比如要安装5.6版本,将5.7源的enabled=1改成enabled=0。然后再将5.6源的enabled=0改成enabled=1即可。改完之后的效果如下所示: 
    这里写图片描述

    2、安装MySQL

    shell> yum install mysql-community-server

    3、启动MySQL服务

    shell> systemctl start mysqld

    查看MySQL的启动状态

    shell> systemctl status mysqld
    ● mysqld.service - MySQL Server
       Loaded: loaded (/usr/lib/systemd/system/mysqld.service; disabled; vendor preset: disabled)
       Active: active (running) since 五 2016-06-24 04:37:37 CST; 35min ago
     Main PID: 2888 (mysqld)
       CGroup: /system.slice/mysqld.service
               └─2888 /usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid
    
    6月 24 04:37:36 localhost.localdomain systemd[1]: Starting MySQL Server...
    6月 24 04:37:37 localhost.localdomain systemd[1]: Started MySQL Server.

    4、开机启动

    shell> systemctl enable mysqld
    shell> systemctl daemon-reload

    5、修改root本地登录密码

    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:

    shell> grep 'temporary password' /var/log/mysqld.log

    root默认密码

    shell> mysql -uroot -p                       //登录mysql


    https://www.linuxidc.com/Linux/2016-09/135288.htm
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  • 原文地址:https://www.cnblogs.com/nyfz/p/8482756.html
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