linux rpm常用形式
http://blog.sina.com.cn/s/blog_535aa0930100bo3c.html
mysql 5.1.73-3.el6_5.x86_64 rpm
依赖冲突：
http://bbs.chinaunix.net/thread-4095937-1-1.html
http://pkgs.org/centos-6/centos-updates-x86_64/mysql-5.1.73-3.el6_5.x86_64.rpm.html
Another MySQL daemon already running with the same unix socket.
mysql相关rpm
http://mirrors.sohu.com/centos/6.5/os/x86_64/Packages/
重装mysql后启动mysqld服务失败问题解决
http://blog.163.com/eric1945@126/blog/static/164934572201092842410118/