[root@localhost ]# yum install app*
Existing lock /var/run/yum.pid: another copy is running as pid 3807. Another app is currently holding the yum lock; waiting for it to exit... Another app is currently holding the yum lock; waiting for it to exit... Another app is currently holding the yum lock; waiting for it to exit... Another app is currently holding the yum lock; waiting for it to exit... Another app is currently holding the yum lock; waiting for it to exit... Another app is currently holding the yum lock; waiting for it to exit... Another app is currently holding the yum lock; waiting for it to exit... Another app is currently holding the yum lock; waiting for it to exit... Another app is currently holding the yum lock; waiting for it to exit... Another app is currently holding the yum lock; waiting for it to exit... 这是什么原因？ /var/run/yum.pid我打开看了，只是一个数，其他的 可能是系统自动升级正在运行，所以yum被锁定了。 可以通过执行rm -rf /var/run/yum.pid 来强行解除锁定，然后你的yum就可以运行了。
yum update时候出现Another app is currently holding the yum lock解决方法
原文：http://cmmwyy.blog.51cto.com/5251443/1684934