Linux操作系统(Centos7)安装MySQL

一、下载命令wget

yum -y install wget

 二、在线下载MySQL安装包

wget https://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm

三、安装MySQL  

rpm -ivh mysql57-community-release-el7-8.noarch.rpm

四、安装MySQL服务

1.先进入 cd /etc/yum.repos.d/目录

cd /etc/yum.repos.d/

2.安装

yum -y install mysql-server

3.安装中可能会出现的问题
         失败的软件包是：mysql-community-libs-compat-5.7.39-1.el7.x86_64
 GPG  密钥配置为：file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

解决方案 :

rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022

 然后再重新安装:

yum -y install mysql-server

五、启动MySQL