mysql 5.7 安装

创建用户

groupadd mysql
useradd mysql -r -g mysql

初始化
bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql57 --datadir=/usr/local/mysql57/data

 

 如果安装报错

bin/mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory

执行 yum install libaio 一下

 

启动
/usr/local/mysql57/bin/mysqld --defaults-file=/etc/my57.cnf --user=root

登录
mysql -uroot -p -S /tmp/mysql57.sock
修改密码
ALTER USER 'root'@'localhost' IDENTIFIED BY '123456';

设置PATH环境变量。

# echo "export PATH=$PATH:/usr/local/mysql57/bin" > /etc/profile.d/mysql.sh
# source /etc/profile.d/mysql.sh