centos 6.7 yum 安装mysql 5.7

前提条件

下载yum repo 文件

一、卸载旧mysql

#rpm -qa |grep mysql

#rpm -e mysql-libs-5.1.73-5.el6_6.x86_64 --nodeps

二、安装repo

# rpm -i mysql57-community-release-el6-11.noarch.rpm

三、安装mysql

yum install mysql-community-server -y

四、修改配置文件/etc/my.cnf

datadir=/data1/mysql

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character_set_server = utf8
collation-server = utf8_bin
transaction_isolation = READ-COMMITTED

五、初始化mysql

# /usr/sbin/mysqld --initialize --user=mysql

六、启动mysql

#service mysqld start

七、忘记root 密码

配置文件/etc/my.cnf 增加skip-grant-tables

重启mysql

八、登录修改root密码

update mysql.user set authentication_string=password('root123') where user='root' and Host='localhost';  

九、重启mysql 输入root密码登录再次修改密码

set password for 'root'@'localhost'=password('root123');




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转载自blog.csdn.net/gnufre/article/details/79015483