在使用yum 时总是有提示信息：

There are unfinished transactions remaining. You might consider running yum-complete-transaction first to finish them.
The program yum-complete-transaction is found in the yum-utils package.

意思是，有未完成的yum事务，建议先运行yum-complete-transaction命令清除。

处理步骤：

# 安装 yum-complete-transaction

yum install yum-utils

# 运行 yum-complete-transaction

yum-complete-transaction –cleanup-only

# 清除可能存在的重复包

package-cleanup –dupes

# 清除可能存在的损坏包

package-cleanup –problems