Linux环境下安装MySQL

# 创建安装包文件夹，并下载mysql5.7.35安装包
mkdir -p /usr/local/database/
wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm

# 安装
yum -y localinstall mysql57-community-release-el7-11.noarch.rpm
yum -y install mysql-community-server

# 设置开机自启
systemctl enable mysql

# 将mysql数据目录从系统盘移动至数据盘
mkdir -p /data/mysql

systemctl stop mysql
cp -r /var/lib/mysql/* /data/mysql/

# 给新的mysql数据目录授权（必须执行）
chown -R mysql:mysql mysql/

# 启动
systemctl start mysqld