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【阿里云镜像】更改阿里巴巴开源镜像站镜像之——CentOS镜像
source link: https://segmentfault.com/a/1190000041081210
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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
一、什么是阿里巴巴开源镜像站
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/re...
curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/re...
[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。
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