CentOS-6.9 二进制安装Mysql-5.7.12

1. 下载软件

https://cdn.mysql.com/archives/mysql-5.7/mysql-5.7.12-linux-glibc2.5-x86_64.tar.gz

2. 创建不可登录mysql用户

# groupadd  mysql
# useradd -r -g mysql -s /bin/false mysql

3. 安装libaio

# rpm -qa | grep libaio
# yum -y install libaio  libaio-devel

4. 解压mysql安装包

# tar xzf mysql-5.7.12-linux-glibc2.5-x86_64.tar.gz

5. 将源码包剪切到相应目录

# mv mysql-5.7.12-linux-glibc2.5-x86_64 /usr/local/mysql

6. 复制配置文件

# cp /usr/local/mysql/support-files/my-default.cnf /etc/my.cnf

7. 修改配置文件

# vim /etc/my.cnf
basedir = /usr/local/mysql/
datadir = /usr/local/mysql/data
socket = /tmp/mysql.sock

8. 初始化数据库

# cd /usr/local/mysql 
# bin/mysqld --defaults-file=/etc/my.cnf --initialize --user=mysql

命令参数解释：
    --defaults-file ：制定MySQL配置文件路径
    --initialize ：初始化随机密码，注意，初始化的密码是一个过期密码，登录后需要修改密码
    --user ：指定账户

随机密码：
    2017-10-11T16:39:07.365065Z 1 [Note] A temporary password is generated for root@localhost: 9)J>7swK/Ue_

9. 将 mysqld 加入 service 系统服务

# cp support-files/mysql.server /etc/init.d/mysqld
# chkconfig --add mysqld
# chkconfig mysqld on

10. 启动mysql 服务器

# service mysqld start

11. 配置 mysql 环境变量

# vim /etc/profile
### Mysql
export PATH=$PATH:https:/usr/local/mysql/bin

# source /etc/profile

12. 修改密码

# mysql -u root -p
Enter password: 9)J>7swK/Ue_
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY  'mysqlpasswd';
mysql> flush privileges;
mysql> quit

13. 登录mysql

# mysql -uroot -pmysqlpasswd
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2428
Server version: 5.7.12 MySQL Community Server (GPL)

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