本篇文章为大家展示了如何在Centos7环境中安装mysql 8.0.13，内容简明扼要并且容易理解，绝对能使你眼前一亮，通过这篇文章的详细介绍希望你能有所收获。
环境说明
•操作系统：Centos7.4 (CentOS-7-x86_64-Minimal-1804.iso)
•mysql：mysql8.0.13
•卸载系统自带的mariadb-lib
•查看mariadb版本
rpm -qa|grep mariadb mariadb-libs-5.5.56-2.el7.x86_64
•卸载mariadb
rpm -e mariadb-libs-5.5.56-2.el7.x86_64 --nodeps
安装依赖环境
yum install -y openssl-devel.x86_64 openssl.x86_64 yum install -y libaio.x86_64 libaio-devel.x86_64 yum install -y perl.x86_64 perl-devel.x86_64 yum install -y perl-JSON.noarch yum install -y autoconf yum install -y wget yum install -y net-tools
关闭防火墙
systemctl stop firewalld.service systemctl disable firewalld.service
禁用selinux
vi /etc/selinux/config
将SELINUX=enforcing改为SELINUX=disabled
reboot 重启机器
从网易镜像下载mysql安装包集合
•下载完整安装包并解压
wget https://mirrors.163.com/mysql/Downloads/MySQL-8.0/mysql-8.0.13-1.el7.x86_64.rpm-bundle.tar tar -xvf mysql-8.0.13-1.el7.x86_64.rpm-bundle.tar
•下载必要安装包（二选一）
wget https://mirrors.163.com/mysql/Downloads/MySQL-8.0/mysql-community-common-8.0.13-1.el7.x86_64.rpm wget https://mirrors.163.com/mysql/Downloads/MySQL-8.0/mysql-community-libs-8.0.13-1.el7.x86_64.rpm wget https://mirrors.163.com/mysql/Downloads/MySQL-8.0/mysql-community-client-8.0.13-1.el7.x86_64.rpm wget https://mirrors.163.com/mysql/Downloads/MySQL-8.0/mysql-community-server-8.0.13-1.el7.x86_64.rpm
按顺序安装
•必要安装（注意顺序）
•安装common
•安装lib 依赖于common，确保已经卸载mariadb
•依赖于libs
•依赖于client、common
rpm -ivh mysql-community-common-8.0.13-1.el7.x86_64.rpm rpm -ivh mysql-community-libs-8.0.13-1.el7.x86_64.rpm rpm -ivh mysql-community-client-8.0.13-1.el7.x86_64.rpm rpm -ivh mysql-community-server-8.0.13-1.el7.x86_64.rpm
•非必要安装（注意顺序）
rpm -ivh mysql-community-libs-compat-8.0.13-1.el7.x86_64.rpm rpm -ivh mysql-community-embedded-compat-8.0.13-1.el7.x86_64.rpm rpm -ivh mysql-community-devel-8.0.13-1.el7.x86_64.rpm rpm -ivh mysql-community-test-8.0.13-1.el7.x86_64.rpm
初始化数据库
mysqld --initialize --console
目录授权，否则启动失败
chown -R mysql:mysql /var/lib/mysql/
启动服务
systemctl start mysqld
加密
mysql_secure_installation
其他
其他操作和yum安装方式一样，不再重复。
安装perl所有模块
yum install -y perl-Module-Install.noarch
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