Linux CentOS 7.9 MySQL 8.0安装配置全攻略

下载MySQL安装包

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# 下载MySQL安装包
wget https://dev.mysql.com/get/Downloads/MySQL-8.0/mysql-8.0.30-1.el7.x86_64.rpm-bundle.tar

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# 解压缩
tar -xvf mysql-8.0.30-1.el7.x86_64.rpm-bundle.tar

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# 安装mysql
rpm -ivh mysql-community-common-8.0.30-1.el7.x86_64.rpm

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rpm -ivh mysql-community-client-plugins-8.0.30-1.el7.x86_64.rpm

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yum remove mariadb-libs

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按y回车

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rpm -ivh mysql-community-libs-8.0.30-1.el7.x86_64.rpm

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rpm -ivh mysql-community-client-8.0.30-1.el7.x86_64.rpm

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rpm -ivh mysql-community-icu-data-files-8.0.30-1.el7.x86_64.rpm

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rpm -ivh mysql-community-server-8.0.30-1.el7.x86_64.rpm

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# 若安装过程中缺少依赖包libaio则使用以下命令，没遇到问题请跳过这行命令
yum -y install libaio

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# 增加权限
chown -R mysql:mysql /var/lib/mysql/

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# 启动mysql
systemctl start mysqld

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# 获取初始化密码
cat /var/log/mysqld.log | grep password

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# 登陆mysql
mysql -u root -p

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# 修改密码
alter user 'root'@'localhost' identified by '新密码需包含数字、大小写、特殊字符';

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# 允许所有主机访问
use mysql;

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update user set host = '%' where user = 'root';

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flush privileges;

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# 用Navicat或其他工具连接MySQL，验证可用

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# 验证没问题后退出服务器上的MySQL命令行
quit