Centos 5被官方彻底抛弃,不支持yum的解决办法

http://www.znjack.com/centos-5%E8%A2%AB%E5%AE%98%E6%96%B9%E5%BD%BB%E5%BA%95%E6%8A%9B%E5%BC%83%EF%BC%8Cyum%E4%B9%9F%E7%94%A8%E4%B8%8D%E4%BA%86%E4%BA%86.html,460