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没有名为 yum 的模块

tag-icon • tag-icon centos yum python
没有名为 yum 的模块

我在 centos 7 系统上运行任何 yum 命令时遇到错误

No module named yum

Please install a package which provides this module, or
verify that the module is installed correctly.

It's possible that the above module doesn't match the
current version of Python, which is:
2.7.11 (default, Jan 29 2016, 15:44:20)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-4)]

If you cannot solve this problem yourself, please go to
the yum faq at:
  http://yum.baseurl.org/wiki/Faq

在遇到此错误之前我做的最后一件事是 cpanm --notest XML::LibXML 不确定这是否以任何方式干扰了 python 配置。我浏览了论坛并更新了 centos 7 的 python rpm

$ ls rpm/
python-2.7.5-34.el7.x86_64.rpm
python-tools-2.7.5-34.el7.x86_64.rpm
tix-devel-8.4.3-12.el7.x86_64.rpm
yum-3.4.3-132.el7.centos.0.1.noarch.rpm.1
python-devel-2.7.5-34.el7.x86_64.rpm 
tkinter-2.7.5-34.el7.x86_64.rpm
yum-plugin-fastestmirror-1.1.31-34.el7.noarch.rpm
python-libs-2.7.5-34.el7.x86_64.rpm
tix-8.4.3-12.el7.x86_64.rpm 
yum-3.4.3-132.el7.centos.0.1.noarch.rpm  yum-utils-1.1.31-34.el7.noarch.rpm

$ sudo rpm -ivh  *.rpm --force

这是以下命令的输出

$ python -V
Python 2.7.11
$ rpm -qi python
Name        : python
Version     : 2.7.5
Release     : 34.el7
Architecture: x86_64
Install Date: Tue 29 Mar 2016 01:29:30 AM EDT
Group       : Development/Languages
Size        : 80835
License     : Python
Signature   : RSA/SHA256, Wed 25 Nov 2015 10:33:01 AM EST, Key ID 24c6a8a7f4a80eb5
Source RPM  : python-2.7.5-34.el7.src.rpm
Build Date  : Thu 19 Nov 2015 09:33:15 PM EST
Build Host  : worker1.bsys.centos.org
Relocations : (not relocatable)
Packager    : CentOS BuildSystem <http://bugs.centos.org>
Vendor      : CentOS
URL         : http://www.python.org/
Summary     : An interpreted, interactive, object-oriented programming language


$ which python
/usr/local/bin/python

$ vim /usr/bin/yum

#!/usr/bin/python
import sys

有人可以帮我恢复 yum 命令吗？

提前致谢！

答案1

你正在使用的 python 可执行文件对我来说似乎很可疑；我手边没有一台 CentOS 机器可以检查，但我的记忆是系统提供的应该是/usr/bin/python.

如果你跑

[$]> rpm -qf /usr/local/bin/python

它是否报告该文件归该python包所有？

另外，输出是什么

[$]> rpm -ql python | grep bin

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