groupadd mysql
useradd -r -g mysql mysql

tar -zxvf mysql-5.6.20.tar.gz
cd mysql-5.6.20
#默认情况下是安装在/usr/local/mysql
cmake .
make && make install

cmake .
-DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DMYSQL_DATADIR=/usr/local/mysql/data -DSYSCONFDIR=/etc -DWITH_MYISAM_STORAGE_ENGINE=1 -DWITH_INNOBASE_STORAGE_ENGINE=1 -DWITH_MEMORY_STORAGE_ENGINE=1 -DWITH_READLINE=1 -DMYSQL_UNIX_ADDR=/var/lib/mysql/mysql.sock -DMYSQL_TCP_PORT=3306 -DENABLED_LOCAL_INFILE=1 -DWITH_PARTITION_STORAGE_ENGINE=1 -DEXTRA_CHARSETS=all -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci

cd /usr/local/mysql/support-files

#注册服务
cp mysql.server /etc/rc.d/init.d/mysql

#使用默认配置文件
cp my-default.cnf /etc/my.cnf

#让chkconfig管理mysql服务
chkconfig --add mysql

#开机启动
chkconfig mysql on

[client]
default-character-set=utf8

[mysqld]
character-set-server=utf8

[mysql]
default-character-set=utf8

cd ~
#我把path添加到当前用户目录的bashrc中，如果需要全局设定，请修改`/etc/profile`
vi .bashrc

#加入以下内容
PATH=/usr/local/mysql/bin:$PATH
export PATH

mysql -uroot 
SET PASSWORD = PASSWORD('123456');

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRANT OPTION;