联网的话，可参考这个步骤

[root@mysql8041 yum.repos.d]# wget -O /etc/yum.repos.d/epel.repo https://mirrors.aliyun.com/repo/epel-7.repo
--2025-04-16 02:10:04--  https://mirrors.aliyun.com/repo/epel-7.repo
Resolving mirrors.aliyun.com (mirrors.aliyun.com)... 123.6.22.217, 123.6.22.139, 123.6.22.218, ...
Connecting to mirrors.aliyun.com (mirrors.aliyun.com)|123.6.22.217|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 664 [application/octet-stream]
Saving to: ‘/etc/yum.repos.d/epel.repo’

100%[================================================================================================================================================================>] 664         --.-K/s   in 0s

2025-04-16 02:10:04 (67.4 MB/s) - ‘/etc/yum.repos.d/epel.repo’ saved [664/664]

[root@mysql8041 yum.repos.d]# yum provides python2-pip-8.1.2-14.el7.noarch.rpm
Loaded plugins: product-id, search-disabled-repos, subscription-manager

This system is not registered with an entitlement server. You can use subscription-manager to register.

epel                                                                                                                                                                               | 4.3 kB  00:00:00
(1/3): epel/x86_64/updateinfo                                                                                                                                                      | 1.0 MB  00:00:00
(2/3): epel/x86_64/group                                                                                                                                                           | 399 kB  00:00:00
(3/3): epel/x86_64/primary_db                                                                                                                                                      | 8.7 MB  00:00:00
EL7/filelists                                                                                                                                                                      | 3.1 MB  00:00:00
epel/x86_64/filelists_db                                                                                                                                                           |  15 MB  00:00:01
No matches found
[root@mysql8041 yum.repos.d]# yum -y install epel-release
Loaded plugins: product-id, search-disabled-repos, subscription-manager

This system is not registered with an entitlement server. You can use subscription-manager to register.

Resolving Dependencies
--> Running transaction check
---> Package epel-release.noarch 0:7-14 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

==========================================================================================================================================================================================================
 Package                                               Arch                                            Version                                        Repository                                     Size
==========================================================================================================================================================================================================
Installing:
 epel-release                                          noarch                                          7-14                                           epel                                           15 k

Transaction Summary
==========================================================================================================================================================================================================
Install  1 Package

Total download size: 15 k
Installed size: 25 k
Downloading packages:
epel-release-7-14.noarch.rpm                                                                                                                                                       |  15 kB  00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : epel-release-7-14.noarch                                                                                                                                                               1/1
warning: /etc/yum.repos.d/epel.repo created as /etc/yum.repos.d/epel.repo.rpmnew
  Verifying  : epel-release-7-14.noarch                                                                                                                                                               1/1

Installed:
  epel-release.noarch 0:7-14

Complete!
[root@mysql8041 yum.repos.d]# yum install python-pip
Loaded plugins: product-id, search-disabled-repos, subscription-manager

This system is not registered with an entitlement server. You can use subscription-manager to register.

Resolving Dependencies
--> Running transaction check
---> Package python2-pip.noarch 0:8.1.2-14.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

==========================================================================================================================================================================================================
 Package                                            Arch                                          Version                                               Repository                                   Size
==========================================================================================================================================================================================================
Installing:
 python2-pip                                        noarch                                        8.1.2-14.el7                                          epel                                        1.7 M

Transaction Summary
==========================================================================================================================================================================================================
Install  1 Package

Total download size: 1.7 M
Installed size: 7.2 M
Is this ok [y/d/N]: y
Downloading packages:
python2-pip-8.1.2-14.el7.noarch.rpm                                                                                                                                                | 1.7 MB  00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : python2-pip-8.1.2-14.el7.noarch                                                                                                                                                        1/1
  Verifying  : python2-pip-8.1.2-14.el7.noarch                                                                                                                                                        1/1

Installed:
  python2-pip.noarch 0:8.1.2-14.el7

Complete!
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