linux 下使用yum命令出错解决办法

linux系统使用yum命令时，遇到出现以下错误：

Loaded plugins: fastestmirror

Existing lock /var/run/yum.pid: another copy is running as pid 3404.

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

The other application is: yum

Memory : 41 M RSS (253 MB VSZ)

Started: Wed Apr 11 07:03:37 2012 - 00:25 ago

State : Sleeping, pid: 3404

使用以下命令可以解决问题：

rm -rf  /var/run/yum.pid

转载于:https://blog.51cto.com/abchw/1965350