State : Sleeping, pid: 2905 Another app is currently holding the yum lock; waiting for it to exit... The other application is: PackageKit Memory : 29 M RSS ( 76 MB VSZ) Started: Wed May 6 05:33:21 2015 - 07:44 ago State : Sleeping, pid: 2905 Another app is currently holding the yum lock; waiting for it to exit... The other application is: PackageKit Memory : 29 M RSS ( 76 MB VSZ) Started: Wed May 6 05:33:21 2015 - 07:46 ago State : Sleeping, pid: 2905 Another app is currently holding the yum lock; waiting for it to exit... The other application is: PackageKit Memory : 29 M RSS ( 76 MB VSZ) Started: Wed May 6 05:33:21 2015 - 07:48 ago State : Sleeping, pid: 2905 ^C
这是因为后台可能有其它的软件在执行安装，占用的yum程序
1 . 可以使用 rm -rf /var/run/yum.pid 来强制接触yum锁定，就可以了
原文：http://www.cnblogs.com/hgj123/p/4483109.html