centos7安装mysql-8.0.38-1.el7.x86_64.rpm-bundle.tar

先更新yum源

#yum源
curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

#epel源
wget -O /etc/yum.repos.d/epel.repo https://mirrors.aliyun.com/repo/epel-7.repo

yum clean all

yum makecache

mysql的tar包下载路径：MySQL :: Download MySQL Community Server

下载前需要删除mariadb-libs，删除后安装即可

yum remove mariadb-libs -y

解包

tar xf mysql-8.0.38-1.el7.x86_64.rpm-bundle.tar

安装mysql

yum install -y mysql-community-client-8.0.38-1.el7.x86_64.rpm mysql-community-common-8.0.38-1.el7.x86_64.rpm mysql-community-libs-8.0.38-1.el7.x86_64.rpm  mysql-community-server-8.0.38-1.el7.x86_64.rpm mysql-community-icu-data-files-8.0.38-1.el7.x86_64.rpm mysql-community-client-plugins-8.0.38-1.el7.x86_64.rpm

获取数据库初始密码

cat /var/log/mysqld.log | grep password

登录mysql并修改密码

alter user root@'localhost' identified by 'Mysql@123';