centos7配置阿里云yum源镜像
【阿里云镜像】切换阿里巴巴开源镜像站镜像——CentOS镜像
2021-12-131866
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简介： 阿里巴巴 OPSX 开源镜像站，提供 CentOS、Debian、Ubuntu、 Fedora、Arch Linux、Gentoo、openSUSE、Scientific Linux 等主流发行版的软件源镜像。为阿里云和互联网用户提供免费高速的一站式镜像服务。
更改阿里巴巴开源镜像站镜像之——CentOS镜像
一、什么是阿里巴巴开源镜像站
前言
阿里巴巴 OPSX 开源镜像站，提供 CentOS、Debian、Ubuntu、 Fedora、Arch Linux、Gentoo、openSUSE、Scientific Linux 等主流发行版的软件源镜像。为阿里云和互联网用户提供免费高速的一站式镜像服务
镜像站官网：阿里巴巴镜像站链接
二、更换阿里巴巴镜像源操作步骤
参考链接：CentOS镜像
CentOS，是基于 Red Hat Linux 提供的可自由使用源代码的企业级 Linux 发行版本；是一个稳定，可预测，可管理和可复制的免费企业级计算平台。
镜像下载地址：
https://mirrors.aliyun.com/centos/
https://mirrors.aliyun.com/centos-vault/
1、备份自带的YUM源
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
2、下载新的 CentOS-Base.repo 到 /etc/yum.repos.d/
CentOS 7版本：
wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
或者
curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
[root@centos yum.repos.d]# wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
--2021-11-22 11:07:13-- https://mirrors.aliyun.com/repo/Centos-7.repo
Resolving mirrors.aliyun.com (mirrors.aliyun.com)... 61.162.46.214, 61.162.46.210, 61.162.46.208, ...
Connecting to mirrors.aliyun.com (mirrors.aliyun.com)|61.162.46.214|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2523 (2.5K) [application/octet-stream]
Saving to: ‘/etc/yum.repos.d/CentOS-Base.repo’
100%[==============================================================================>] 2,523 --.-K/s in 0s
2021-11-22 11:07:13 (122 MB/s) - ‘/etc/yum.repos.d/CentOS-Base.repo’ saved [2523/2523]
[root@centos yum.repos.d]# ll
total 40
drwxr-xr-x 2 root root 6 Nov 22 11:04 backup
-rw-r--r-- 1 root root 2523 Dec 26 2020 CentOS-Base.repo
-rw-r--r--. 1 root root 1664 Nov 23 2018 CentOS-Base.repo.backup
-rw-r--r--. 1 root root 1309 Nov 23 2018 CentOS-CR.repo
-rw-r--r--. 1 root root 649 Nov 23 2018 CentOS-Debuginfo.repo
-rw-r--r--. 1 root root 314 Nov 23 2018 CentOS-fasttrack.repo
-rw-r--r--. 1 root root 630 Nov 23 2018 CentOS-Media.repo
-rw-r--r-- 1 root root 69 Nov 20 07:55 centos.repo.backup
-rw-r--r--. 1 root root 1331 Nov 23 2018 CentOS-Sources.repo
-rw-r--r--. 1 root root 5701 Nov 23 2018 CentOS-Vault.repo
[root@centos yum.repos.d]#
3、运行 yum makecache 生成缓存
yum makecache
[root@centos yum.repos.d]# yum makecache
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
base | 3.6 kB 00:00:00
extras | 2.9 kB 00:00:00
updates | 2.9 kB 00:00:00
(1/6): extras/7/x86_64/filelists_db | 259 kB 00:00:01
(2/6): extras/7/x86_64/other_db | 145 kB 00:00:02
(3/6): base/7/x86_64/other_db | 2.6 MB 00:00:02
(4/6): updates/7/x86_64/other_db | 829 kB 00:00:01
(5/6): base/7/x86_64/filelists_db | 7.2 MB 00:00:06
(6/6): updates/7/x86_64/filelists_db | 6.6 MB 00:00:08
Metadata Cache Created
[root@centos yum.repos.d]#
4、查看更换的阿里云镜像的仓库是否生效。
yum clean all
yum repolist
[root@centos yum.repos.d]# yum clean all
Loaded plugins: fastestmirror
Cleaning repos: base extras updates
Cleaning up list of fastest mirrors
Other repos take up 41 M of disk space (use --verbose for details)
[root@centos yum.repos.d]# yum repolist
Loaded plugins: fastestmirror
Determining fastest mirrors
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
base | 3.6 kB 00:00:00
extras | 2.9 kB 00:00:00
updates | 2.9 kB 00:00:00
(1/4): base/7/x86_64/group_gz | 153 kB 00:00:00
(2/4): extras/7/x86_64/primary_db | 243 kB 00:00:00
(3/4): updates/7/x86_64/primary_db | 12 MB 00:00:02
(4/4): base/7/x86_64/primary_db | 6.1 MB 00:00:03
repo id repo name status
base/7/x86_64 CentOS-7 - Base - mirrors.aliyun.com 10,072
extras/7/x86_64 CentOS-7 - Extras - mirrors.aliyun.com 500
updates/7/x86_64 CentOS-7 - Updates - mirrors.aliyun.com 2,963
repolist: 13,535
[root@centos yum.repos.d]#更换阿里云镜像站——CentOS镜像生效。
