1.在mysql官网上载tar包

MySQL-5.6.30-1.el6.i686.rpm-bundle.tar

进目录cd /home/fuyouling/

解压tar -xvf MySQL-5.6.30-1.el6.i686.rpm-bundle.tar

MySQL-client-5.6.30-1.el7.x86_64.rpm

MySQL-devel-5.6.30-1.el7.x86_64.rpm

MySQL-embedded-5.6.30-1.el7.x86_64.rpm

MySQL-server-5.6.30-1.el7.x86_64.rpm

MySQL-shared-5.6.30-1.el7.x86_64.rpm

MySQL-shared-compat-5.6.30-1.el7.x86_64.rpm

MySQL-test-5.6.30-1.el7.x86_64.rpm

2. 查看是否安装了mysql

rpm –qa |grep mysql

如有安装就先卸载：

rpm -e MySQL-client-community-5.1.40-0.rhel5

rpm -e MySQL-server-community-5.1.40-0.rhel5

3. 查看是否安装了mariadb

rpm -qa | grep mariadb

如有安装就先卸载

rpm -e --nodeps mariadb-libs-5.5.35-3.el7.x86_64

rpm -e --nodeps mariadb-5.5.35-3.el7.x86_64

rpm -e --nodeps mariadb-server-5.5.35-3.el7.x86_64

4.按顺序以下安装

yum install -y MySQL-shared-compat-5.6.30-1.el6.i686.rpm

yum install -y MySQL-server-5.6.30-1.el6.i686.rpm

yum install -y MySQL-client-5.6.30-1.el6.i686.rpm

yum install -y MySQL-devel-5.6.30-1.el6.i686.rpm

yum install -y MySQL-shared-5.6.30-1.el6.i686.rpm

5.yum install -y perl-Module-Install.noarch #安装perl Module

6./usr/bin/mysql_install_db                 #数据库初始化

安装后数据文件目录是在/var/lib/mysql/

配置文件是在/usr/my.cnf

7.chown -R mysql:mysql /var/lib/mysql       #赋权限

8.service mysql start                       #开启mysql服务

9.mysqladmin -u root password '123456'      #设置初次密码

10.mysql -uroot -p123456                    #登录mysql

11.service mysql stop                       #关掉mysql服务

---------------------------------------------------------------

以下为配置多实例：

12.mkdir -p /home/fuyouling/mutl_mysql/mysql_3307/mysql/  #创建数据文件目录

13./usr/bin/mysql_install_db --datadir=/home/fuyouling/mutl_mysql/mysql_3307/mysql --user=root #新实例初始化

14.修改/usr/my.cnf配置，修改为多实例模式

[mysqld_multi]

mysqld=/usr/bin/mysqld_safe

mysqladmin=/usr/bin/mysqladmin

user=root

[mysqld3306]

port=3306

socket=/var/lib/mysql/mysql.sock

pid-file=/var/lib/mysql/localhost.localdomain.pid

datadir=/var/lib/mysql/

user=root

[mysqld3307]

port=3307

socket=/home/fuyouling/mutl_mysql/mysql_3307/mysql/mysql.sock

pid-file=/home/fuyouling/mutl_mysql/mysql_3307/mysql/localhost.localdomain.pid

datadir=/home/fuyouling/mutl_mysql/mysql_3307/mysql/

user=root

15.启动新实例

mysqld_multi --defaults-extra-file=/usr/my.cnf start 3307

16.检查新实例是否生成

netstat -nltp或者ps -ef|grep mysql 查看是否有两个mysql端口或进程

也可以mysqld_multi report(这种方式不是很保险)

17.设置新实例密码

mysqladmin -uroot password '654321' -S /home/fuyouling/mutl_mysql/mysql_3307/mysql/mysql.sock

18.登录新实例

mysql -uroot -p654321 -S /home/fuyouling/mutl_mysql/mysql_3307/mysql/mysql.sock

19.检查新实例是否使用新的数据文件目录

show variables like '%datadir%'

20.关闭新实例

mysqladmin -uroot -p654321 -S /home/fuyouling/mutl_mysql/mysql_3307/mysql/mysql.sock shutdown

21.检查新实例是否关闭成功

netstat -nltp或者ps -ef|grep mysql