用yum安裝包有時(shí)候會(huì)提示
```
Another app is currently holding the yum lock; waiting for it to exit...
? The other application is: PackageKit
??? Memory : 128 M RSS (439 MB VSZ)
??? Started: Fri Aug 28 08:08:31 2015 - 48:25 ago
??? State? : Sleeping, pid: 3462
```
解決方法:
```
rm -f /var/run/yum.pid
```
然后重新執(zhí)行yum就可以了
永久禁止該錯(cuò)誤
```
[root@oracle pluginconf.d]# cd /etc/yum/pluginconf.d/
[root@oracle pluginconf.d]# ls
product-id.conf? refresh-packagekit.conf? rhnplugin.conf? security.conf? subscription-manager.conf
[root@oracle pluginconf.d]# vim refresh-packagekit.conf
[main]
enabled=0? --將原來的1改成0即可