Linux系统 安装 MySQL

#1. 在线下载MySQl软件包
wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.32-1.el7.x86_64.rpm-bundle.tar

#2. 安装依赖
yum install -y perl libaio net-tools

#3. 卸载mariadb数据库，以防安装冲突
rpm -qa | grep mariadb
yum remove mariadb-libs

#4. 解压 mysql5.7安装包
tar -xvf mysql-5.7.32-1.el7.x86_64.rpm-bundle.tar
#cd 切换到解压后的目录
#ls 查看该目录下有许多 rpm软件

#服务端和客户端常用库文件
rpm -ivh mysql-community-common-5.7.32-1.el7.x86_64.rpm
#MySQL数据库客户端共享库
rpm -ivh mysql-community-libs-5.7.32-1.el7.x86_64.rpm
#MySQL 客户端
rpm -ivh mysql-community-client-5.7.32-1.el7.x86_64.rpm
#数据库服务端与相关工具
rpm -ivh mysql-community-server-5.7.32-1.el7.x86_64.rpm

#查看MySQL 服务的状态
systemctl status mysqld.service

#启动MySQL服务
systemctl start mysqld.service

#查看临时密码
grep "password" /var/log/mysqld.log

#用临时密码登录mysql
mysql -uroot –p

#修改成新的密码
mysql> set password = password("P@ssw0rd");   
mysql> quit