centos 7 使用dnf报错

root@localhost \~\]# dnf --version Traceback (most recent call last): File "/usr/bin/dnf", line 57, in \ from dnf.cli import main File "/usr/lib/python2.7/site-packages/dnf/__init__.py", line 30, in \ import dnf.base File "/usr/lib/python2.7/site-packages/dnf/base.py", line 29, in \ import libdnf.transaction File "/usr/lib64/python2.7/site-packages/libdnf/__init__.py", line 3, in \ from . import conf File "/usr/lib64/python2.7/site-packages/libdnf/conf.py", line 17, in \ _conf = swig_import_helper() File "/usr/lib64/python2.7/site-packages/libdnf/conf.py", line 16, in swig_import_helper return importlib.import_module('_conf') File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module __import__(name) ImportError: No module named _conf 解决方法： 因为服务器环境为CentOS 7，没有完全预装在 CentOS 7 中，所以需要先全安装DNF。 # yum install epel-release # yum install dnf # dnf --version 二、解决办法 1、先升级python: #yum update python\* 2、再安装以下软件： ```bash yum -y install dnf-data dnf-plugins-core libdnf-devel libdnf python2-dnf-plugin-migrate dnf-automatic ``` 3、测试 \[root@localhost \~\]# dnf --version 4.0.9 Installed: dnf-0:4.0.9.2-2.el7_9.noarch at Tue 09 Apr 2024 06:06:01 PM CST Built : CentOS BuildSystem \ at Wed 07 Apr 2021 03:52:38 PM CST Installed: rpm-0:4.11.3-48.el7_9.x86_64 at Tue 09 Apr 2024 06:13:58 PM CST Built : CentOS BuildSystem \ at Wed 24 Nov 2021 04:33:39 PM CST