yum报错

1.Loaded plugins: fastestmirror, langpacks

Existing lock /var/run/yum.pid: another copy is running as pid 3965.

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

解决方案：

直接输入  rm -f    /var/run/yum.pid
或者：      /etc/init.d/yum-updatesd stop
也可以等更新完了再进行安装