[root@docker1 ~]# yum whatprovides */killall psmisc-22.20-16.el7.x86_64 : Utilities for managing processes on your system 源 :base 匹配来源: 文件名 :/usr/bin/killall [root@docker1 ~]# yum install -y psmisc-22.20-16.el7.x86_64