Linux 下安装 MySQL 数据库

# 下载软件包 在创建并在 /usr/mysql 下下载
wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm

# yum 安装
yum -y install mysql57-community-release-el7-10.noarch.rpm

# yum 安装 mysql
yum -y install mysql-community-server

# 启动mysql
systemctl start mysqld.service

# 查看运行状态 
systemctl status mysqld.service

# 查看数据库密码 feYWq(kYu8dr
grep "password" /var/log/mysqld.log  

# 登录数据库
mysql -uroot -p     # 回车后会提示输入密码

# 初次登录修改密码
ALTER USER 'root'@'localhost' IDENTIFIED BY 'Troila12#$';

# 查看mysql的安装目录
which mysql