Another app is currently holding the yum lock; waiting&n

yum配置提示错误：

[root@localhost yum.repos.d]# yum clean all

Another app is currently holding the yum lock; waiting for it to exit...

  The other application is: PackageKit

    Memory :   21 M RSS ( 35 MB VSZ)

    Started: Sun Oct 27 03:20:16 2013 - 1:13:47 ago

    State   : Sleeping, pid: 11985

解决方法：

[root@localhost yum.repos.d]# rm -rf /var/run/yum.pid 

[root@localhost yum.repos.d]# yum clean all

Loaded plugins: product-id, refresh-packagekit, subscription-manager

Updating Red Hat repositories.

Cleaning repos: rhel-source

Cleaning up Everything

[root@localhost yum.repos.d]#