摘要：
使用yum安装计划任务功能，结果提示： yum -y install vixie-cron 1、Loaded plugins: fastestmirror, refresh-packagekit, security 2、Existing lock /var/run/yum.pid: another 阅读全文
摘要：
1、yum安装东西的时候,老是报:There are unfinished transactions remaining. You might consider running yum-complete-transaction first to finish them. 意思是:有未完成的yum事务 阅读全文