rpm -Uvh http://ftp.iij.ad.jp/pub/linux/fedora/epel/6/i386/epel-release-6-8.noarch.rpm;

rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm;

yum list --enablerepo=remi --enablerepo=remi-php56 | grep php;

yum install --enablerepo=remi --enablerepo=remi-php56 php php-mysql php-opcache php-pecl-apcu php-devel php-mbstring php-mcrypt php-mysqlnd php-phpunit-PHPUnit php-pecl-xdebug php-pecl-xhprof php-pdo php-pear php-fpm php-cli php-xml php-bcmath php-process php-gd php-common;

php -v;

rpm -Uvh http://dev.mysql.com/get/mysql-community-release-el6-5.noarch.rpm;

yum list  mysql-community-server;

yum install mysql-community-server;

wget http://dev.mysql.com/get/mysql57-community-release-el6-7.noarch.rpm；

yum localinstall mysql57-community-release-el6-.noarch.rpm; #本地源安装

yum list mysql-community-server; #看到终于是 el6 版本的了

yum repolist enabled | grep "mysql.*-community.*"; #看到 mysql 是 5.7 版本的

vi /etc/yum.repos.d/mysql-community.repo; #修改源，把 5.7 的 enabled=，把 5.6 的 enabled=

yum repolist enabled | grep "mysql.*-community.*"; #看到 mysql 是 5.6 版本的了

yum list mysql-community-server;

#看到的是下面这些：

#mysql56-community             | 2.5 kB       :

#Not using downloaded repomd.xml because it is older than what we have:

#  Current   : Thu Jun   ::

#  Downloaded: Thu Jun   ::

#Available Packages

#mysql-community-server.i686         5.6.-.el7          mysql56-community

yum clean all; #清缓存

yum list mysql-community-server; 看到是 el6 版本了

yum install mysql-community-server;

mysqladmin -u root password 123456