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

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

有時用yum安裝docker或者升級時，會出現以下情況：

1.1.1  現象

[root@dockerserver2 ~]# yum install docker

Loaded plugins: fastestmirror, langpacks

Repodata is over 2 weeks old. Install yum-cron? Or run: yum makecache fast

Existing lock /var/run/yum.pid: another copy is running as pid 4279.

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

  The other application is: PackageKit

    Memory : 132 M RSS (1.0 GB VSZ)

    Started: Mon Sep 26 06:27:37 2016 - 04:18 ago

    State  : Sleeping, pid: 4279

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

  The other application is: PackageKit

    Memory : 132 M RSS (1.0 GB VSZ)

    Started: Mon Sep 26 06:27:37 2016 - 04:20 ago

    State  : Sleeping, pid: 4279

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

  The other application is: PackageKit

    Memory : 132 M RSS (1.0 GB VSZ)

    Started: Mon Sep 26 06:27:37 2016 - 04:22 ago

    State  : Sleeping, pid: 4279

 

1.1.2  處理辦法

可以透過強制關掉yum程式來解決處理

rm -f /var/run/yum.pid

1.1.3  具體過程

刪除後，安裝正常操作

Exiting on user cancel.

[root@dockerserver2 ~]# rm -f /var/run/yum.pid

 [root@dockerserver2 ~]# yum install docker

Loaded plugins: fastestmirror, langpacks

Repodata is over 2 weeks old. Install yum-cron? Or run: yum makecache fast

base                                                                                                         | 3.6 kB  00:00:00    

extras                                                                                                       | 3.4 kB  00:00:00    

updates                                                                                                      | 3.4 kB  00:00:00    

(1/2): extras/7/x86_64/primary_db                                                                            | 165 kB  00:00:00    

(2/2): updates/7/x86_64/primary_db                                                                           | 7.8 MB  00:00:02    

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