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

在Linux系统中使用yum安装软件时，提示yum处于锁定状态

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

通过查询得知，可能是系统内部在自动升级，可通过强制关闭yum进程

1 #rm -f /var/run/yum.pid

之后yum就可以正常使用了