编辑器加载中another app is currently holding the yum lock;waiting for it to exit... 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： #rm -f /var/run/yum.pid 然后就可以使用yum了。