包下载地址 http://mirrors.163.com/centos/6/os/x86_64/Packages/

删除冲突包 rpm -e --nodeps python-libs-2.6.6-52.el6.x86_64 rpm -e --nodeps python-2.6.6-52.el6.x86_64

rpm -ivh python-libs-2.6.6-64.el6.x86_64.rpm rpm -ivh python-2.6.6-64.el6.x86_64.rpm rpm -ivh python-iniparse-0.3.1-2.1.el6.noarch.rpm

yum-plugin-fastestmirror-1.1.30-37.el6.noarch.rpm yum-metadata-parser-1.1.2-16.el6.x86_64.rpm yum-3.2.29-73.el6.centos.noarch.rpm rpm -ivh yum-*

更多详情 http://jingyan.baidu.com/article/ed2a5d1f5a9fbe09f6be17ea.html

使用yum安装crontab: yum install vixie-cron yum install crontabs