yum -y install make  bison gcc-c++ cmake ncurses ncurses-devel

wget ftp://mirror.switch.ch/mirror/mysql/Downloads/MySQL-5.6/mysql-5.6.19.tar.gz

tar zxvf mysql-5.6..tar.gz

cd mysql-5.6.

cmake -DCMAKE_INSTALL_PREFIX=/mysql/ -DMYSQL_DATADIR=/mysql/data -DSYSCONFDIR=/etc -DWITH_MYISAM_STORAGE_ENGINE= -DWITH_INNOBASE_STORAGE_ENGINE= -DWITH_MEMORY_STORAGE_ENGINE= -DWITH_READLINE= -DMYSQL_UNIX_ADDR=/tmp/mysqld.sock -DMYSQL_TCP_PORT= -DENABLED_LOCAL_INFILE=  -DWITH_PARTITION_STORAGE_ENGINE= -DEXTRA_CHARSETS=all -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci

make && make install

cd /mysql/

chown -R mysql:mysql .

cd /opt/mysql-5.6.

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

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

chmod  /etc/init.d/mysqld

mkdir -p /mysql/data

chown -R mysql:mysql /mysql/data

/mysql//scripts/mysql_install_db --user=mysql --basedir=/mysql// --datadir=/mysql/data/

service mysqld start

[root@mysql mysql-5.6.]# /mysql//bin/mysql -u root -p

Enter password:

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is

Server version: 5.6. Source distribution

Copyright (c) , , Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>

service mysqld stop

/mysql//bin/mysqld_safe --skip-grant-tables & 

/mysql//bin/mysql -u root -p

>use mysql

>update user set password=password("新密码") where user="root";

>flush privileges;