[系统运维]centos7安装mysql8.0

环境准备

centos7的虚拟机

redhat的 mysql安装包

下载mysql安装包的官网?

MySQL :: Download MySQL Community Server (Archived Versions)https://downloads.mysql.com/archives/community/?

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1.删除centos自带的?mariadb

查看：rpm -qa | grep mariadb

删除：rpm -e ....

因为mariadb被postfix需要，所以我们需要一块删除掉

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2.安装

?tar -xvf mysql....?

?为了避免安装失败我们给mysql这个文件夹附上 777的权限

cd ../

chmod 777 mysql/

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按照顺序安装?

?rpm -ivh mysql-community-common-8.0.26-1.el7.x86_64.rpm

rpm -ivh mysql-community-client-plugins-8.0.26-1.el7.x86_64.rpm

rpm -ivh mysql-community-libs-8.0.26-1.el7.x86_64.rpm

rpm -ivh mysql-community-client-8.0.26-1.el7.x86_64.rpm

rpm -ivh mysql-community-server-8.0.26-1.el7.x86_64.rpm --force --nodeps

3.配置数据库

借鉴这篇博客就行（上面是因为8和5.7稍微有点不同才写的）

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