mysql 5.7 安装手册(for linux)

1.下载和解压mysql数据库

wget http://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.9-linux-glibc2.5-x86_64.tar.gzs
tar -xvf mysql-5.7.9-linux-glibc2.5-x86_64.tar.gz -C /usr/local/mysql-5.7.9

2.建立软链接
ln -s mysql-5.7.9 mysql

3.创建mysql用户和修改软件的权限

useradd -r -M -s /sbin/nologin mysql

chown -R mysql.mysql /usr/local/mysql-5.7.9
chown -R mysql.mysql /usr/local/mysql

chgrp -R mysql /usr/local/mysql-5.7.9

4.安装和初始化数据库

cd /usr/local/mysql-5.7.9/

bin/mysql_install_db --user=mysql --basedir=/usr/local/mysql-5.7.9/ --datadir=/usr/local/mysql-5.7.9/data/ --必须在mysql根目录安装mysql,否则出错

cp -a ./support-files/my-default.cnf /etc/my.cnf

cp -a ./support-files/mysql.server /etc/init.d/mysqld

#cd bin/
#./mysqld_safe --user=mysql &

[root@db2 scripts]# /etc/init.d/mysqld restart
Shutting down MySQL.. [ OK ]
Starting MySQL... [ OK ]

#开机启动
chkconfig --level 35 mysqld on

5.初始化密码

mysql5.7会生成一个初始化密码，而在之前的版本首次登陆不需要登录。

shell> cat /root/.mysql_secret

mysql -uroot -p

SET PASSWORD = PASSWORD('123456');
flush privileges