解决yum install redhat-lsb遇到的问题

解决yum install redhat-lsb遇到的问题

一、 背景：centos 7.2.1511 系统中没有lsb_release命令。

二、解决方法：在终端中输入：yum install -y redhat-lsb

三、遇到的问题如下：

Loaded plugins: fastestmirror, langpacks
Existing lock /var/run/yum.pid: another copy is running as pid 3414.
Another app is currently holding the yum lock; waiting for it to exit...
The other application is: PackageKit
Memory : 46 M RSS (449 MB VSZ)
Started: Sun Oct 16 22:20:56 2016 - 01:10 ago
State : Sleeping, pid: 3414
Another app is currently holding the yum lock; waiting for it to exit...
The other application is: PackageKit
Memory : 46 M RSS (449 MB VSZ)
Started: Sun Oct 16 22:20:56 2016 - 01:12 ago
State : Sleeping, pid: 3414
Another app is currently holding the yum lock; waiting for it to exit...
The other application is: PackageKit
Memory : 46 M RSS (449 MB VSZ)
Started: Sun Oct 16 22:20:56 2016 - 01:14 ago
State : Sleeping, pid: 3414

四、 解决问题的步骤：1）在终端输入：kill -9 3414

2）在终端输入：rm -fr /var/run/yum.pid

3）在终端输入：yum install -y redhat-lsb

五、验证安装lsb_release

1）在终端输入：lsb_release -a

出现如下信息算成功了.

LSB Version: :core-4.1-amd64:core-4.1-noarch:cxx-4.1-amd64:cxx-4.1-noarch:desktop-4.1-amd64:desktop-4.1-noarch:languages-4.1-amd64:languages-4.1-noarch:printing-4.1-amd64:printing-4.1-noarch Distributor ID: CentOS Description: CentOS Linux release 7.2.1511 (Core) Release: 7.2.1511 Codename: Core