RHEL 6.4（i386）安装MySQL 5.6的方法
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1. 下载MySQL 5.6
下载页面：
此处选择“Red Hat Enterprise Linux 6 / Oracle Linux 6 (x86, 32-bit), RPM Bundle”下载，下载至/root/Downloads/目录下，下载文件名为“MySQL-5.6.15-1.el6.i686.rpm-bundle.tar”
2. 解压tar包
cd /root/Downloads/
tar -xvf MySQL-5.6.15-1.el6.i686.rpm-bundle.tar
3. 以RPM方式安装MySQL
在RHEL系统中，，必须先安装“MySQL-shared-compat-5.6.15-1.el6.i686.rpm”这个兼容包，然后才能安装server和client，否则安装时会出错。
yum install MySQL-shared-compat-5.6.15-1.el6.i686.rpm # RHEL兼容包
yum install MySQL-server-5.6.15-1.el6.i686.rpm # MySQL服务端程序
yum install MySQL-client-5.6.15-1.el6.i686.rpm # MySQL客户端程序
yum install MySQL-devel-5.6.15-1.el6.i686.rpm # MySQL的库和头文件
yum install MySQL-shared-5.6.15-1.el6.i686.rpm # MySQL的共享库
4. 配置MySQL登录密码
cat /root/.mysql_secret # 获取MySQL安装时生成的随机密码
service mysql start # 启动MySQL服务
mysql -uroot -p # 进入MySQL，使用之前获取的随机密码
SET PASSWORD FOR 'root'@'localhost' = PASSWORD('password'); # 在MySQL命令行中设置root账户的密码为password
quit # 退出MySQL命令行
service mysql restart # 重新启动MySQL服务
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