yum安装软件包，提示yum-complete-transaction。
# 安装 yum-complete-transaction
yum install yum-utils
# 运行 yum-complete-transaction
yum-complete-transaction
安装完成后，yum 安装包可能扔提示软件包冲突
#查看存储冲突软件包（不会删除，只是查看）：
package-cleanup
#删除存在冲突的软件包中的旧版本包
ackage-cleanup --cleandupes
package-cleanup options:
--problems List dependency problems in the local RPM database
--qf=QF, --queryformat=QF Query format to use for output.
--orphans List installed packages which are not available from currently configured repositories
Duplicate Package Options:
--dupes Scan for duplicates in your rpmdb
--cleandupes Scan for duplicates in your rpmdb and remove older
--removenewestdupes Remove the newest dupes instead of the oldest dupes when cleaning duplicates.
--noscripts disable rpm scriptlets from running when cleaning duplicates