一、?参考链接

阿里巴巴开源镜像站-OPSX镜像站-阿里云开发者社区 (aliyun.com)

epel镜像-epel下载地址-epel安装教程-阿里巴巴开源镜像站 (aliyun.com)

阿里云开源镜像站资源目录 (aliyun.com)

二、?Epel 镜像简介

EPEL (Extra Packages for Enterprise Linux), 是由 Fedora Special Interest Group 维护的 Enterprise Linux（RHEL、CentOS）中经常用到的包。

下载地址：https://mirrors.aliyun.com/epel/

三、? 配置方法

1、更新YUM源?

  1. [root@centos ~]# yum clean all
  2. [root@centos ~]# yum repolist

2、 备份(如有配置原来的epel源)?

  1. mv /etc/yum.repos.d/epel.repo /etc/yum.repos.d/epel.repo.backup
  2. mv /etc/yum.repos.d/epel-testing.repo /etc/yum.repos.d/epel-testing.repo.backup

3、下载新repo 到/etc/yum.repos.d/?

1）安装 epel 配置包?

安装对应的安装包（本实验以CentOS 7系统为例）

  1. [root@centos ~]# hostnamectl
  2.    Static hostname: centos
  3.          Icon name: computer-vm
  4.            Chassis: vm
  5.         Machine ID: f6fc8fb7991c4c518238af7c75f16046
  6.            Boot ID: 543d1319d8164d8dac9e789e553f3ae5
  7.     Virtualization: vmware
  8.   Operating System: CentOS Linux 7 (Core)
  9.        CPE OS Name: cpe:/o:centos:centos:7
  10.             Kernel: Linux 3.10.0-1160.el7.x86_64
  11.       Architecture: x86-64
  12. [root@centos ~]#
  13. [root@centos ~]# yum install -y https://mirrors.aliyun.com/epel/epel-release-latest-7.noarch.rpm
  14. Loaded plugins: fastestmirror
  15. epel-release-latest-7.noarch.rpm                                                                 |  15 kB  00:00:00     Examining /var/tmp/yum-root-_WgcRs/epel-release-latest-7.noarch.rpm: epel-release-7-14.noarch
  16. Marking /var/tmp/yum-root-_WgcRs/epel-release-latest-7.noarch.rpm to be installed
  17. Resolving Dependencies
  18. --> Running transaction check
  19. ---> Package epel-release.noarch 0:7-14 will be installed
  20. --> Finished Dependency Resolution
  22. Dependencies Resolved
  24. ======================================================================================================================== Package                    Arch                 Version              Repository                                   Size
  25. ========================================================================================================================Installing:
  26.  epel-release               noarch               7-14                 /epel-release-latest-7.noarch                25 k
  28. Transaction Summary
  29. ========================================================================================================================Install  1 Package
  31. Total size: 25 k
  32. Installed size: 25 k
  33. Downloading packages:
  34. Running transaction check
  35. Running transaction test
  36. Transaction test succeeded
  37. Running transaction
  38.   Installing : epel-release-7-14.noarch                                                                             1/1   Verifying  : epel-release-7-14.noarch                                                                             1/1 
  39. Installed:
  40.   epel-release.noarch 0:7-14                                                                                            
  41. Complete!
  42. [root@centos ~]#
  43. [root@centos ~]# cd /etc/yum.repos.d/
  44. [root@centos yum.repos.d]# ll
  45. total 60
  46. -rw-r--r--. 1 root root 2523 Nov 28 18:12 CentOS-Base.repo
  47. -rw-r--r--. 1 root root 1664 Oct 23  2020 CentOS-Base.repo.backup
  48. -rw-r--r--. 1 root root 1309 Oct 23  2020 CentOS-CR.repo
  49. -rw-r--r--. 1 root root  649 Oct 23  2020 CentOS-Debuginfo.repo
  50. -rw-r--r--. 1 root root  314 Oct 23  2020 CentOS-fasttrack.repo
  51. -rw-r--r--. 1 root root  630 Oct 23  2020 CentOS-Media.repo
  52. -rw-r--r--. 1 root root 1331 Oct 23  2020 CentOS-Sources.repo
  53. -rw-r--r--. 1 root root 8515 Oct 23  2020 CentOS-Vault.repo
  54. -rw-r--r--. 1 root root  616 Oct 23  2020 CentOS-x86_64-kernel.repo
  55. -rw-r--r--  1 root root 2081 Dec  3 09:23 docker-ce.repo
  56. -rw-r--r--  1 root root 1358 Sep  5 01:37 epel.repo
  57. -rw-r--r--  1 root root 1457 Sep  5 01:37 epel-testing.repo
  58. -rw-r--r--  1 root root  276 Dec  8 13:15 kubernetes.repo
2）将 repo 配置中的地址替换为阿里云镜像站地址?
  1. sed -i 's|^#baseurl=https://download.example/pub|baseurl=https://mirrors.aliyun.com|' /etc/yum.repos.d/epel*
  3. sed -i 's|^metalink|#metalink|' /etc/yum.repos.d/epel*
  1. [root@centos yum.repos.d]# sed -i 's|^#baseurl=https://download.example/pub|baseurl=https://mirrors.aliyun.com|' /etc/yum.repos.d/epel*
  2. [root@centos yum.repos.d]# sed -i 's|^metalink|#metalink|' /etc/yum.repos.d/epel*

4、更新YUM源?

  1. [root@centos yum.repos.d]# yum clean all
  2. Loaded plugins: fastestmirror
  3. Cleaning repos: base epel extras updates
  4. Cleaning up list of fastest mirrors
  5. [root@centos yum.repos.d]# yum repolist
  6. Loaded plugins: fastestmirror
  7. Determining fastest mirrors
  8.  * base: mirrors.aliyun.com
  9.  * extras: mirrors.aliyun.com
  10.  * updates: mirrors.aliyun.com
  11. base                                           | 3.6 kB  00:00:00     epel                                           | 4.7 kB  00:00:00     extras                                         | 2.9 kB  00:00:00     updates                                        | 2.9 kB  00:00:00     (1/7): base/7/x86_64/group_gz                  | 153 kB  00:00:00     (2/7): epel/x86_64/group_gz                    |  96 kB  00:00:00     (3/7): extras/7/x86_64/primary_db              | 243 kB  00:00:02     (4/7): epel/x86_64/updateinfo                  | 1.0 MB  00:00:03     (5/7): base/7/x86_64/primary_db                | 6.1 MB  00:00:06     (6/7): epel/x86_64/primary_db                  | 7.0 MB  00:00:06     (7/7): updates/7/x86_64/primary_db             |  13 MB  00:00:07     repo id                    repo name                  status
  12. base/7/x86_64  CentOS-7 - Base - mirrors.aliyun.com      10,072
  13. epel/x86_64   Extra Packages for Enterprise Linux 7 - x86_64   13,691
  14. extras/7/x86_64   CentOS-7 - Extras - mirrors.aliyun.com       500
  15. updates/7/x86_64   CentOS-7 - Updates - mirrors.aliyun.com 3,190
  16. repolist: 27,453
  17. [root@centos yum.repos.d]#

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