another app is currently holding the yum lock;waiting for it to exit解决 有时用yum升级一些文件时,会出现以下情况: another app is currently holding the yum lock;waiting for it to exit... 可以通过强制关掉yum进程: www.2cto.com #rm -f /var/run/yum.pid 然后就可以使用yum了。