---
title: "[Linux笔记]Centos8更换Yum国内源"
id: "358"
type: "post"
slug: "linux%e7%ac%94%e8%ae%b0centos8%e6%9b%b4%e6%8d%a2yum%e5%9b%bd%e5%86%85%e6%ba%90"
published_at: "2020-12-26T15:37:17+00:00"
modified_at: "2021-07-01T11:46:19+00:00"
url: "https://www.hitsword.org/2020/358.html"
markdown_url: "https://www.hitsword.org/2020/358.md"
excerpt: "[bash] sed -e 's|^mirrorlist=|#mirrorlist=|g' \\ -e 's|^#baseurl=http://mirror.centos.org/$contentdir|baseurl=https://mirrors.aliyun.com/centos|g' \\ -i.bak \\ /etc/yum.repos.d/CentOS-Linux-AppStream.repo \\ /etc/yum.repos.d/CentOS-Linux-BaseOS.repo \\ /etc/yum.repos.d/CentOS-Linux-Extras.repo \\ /etc/yum.repos.d/CentOS-Linux-PowerTools.repo \\ /etc/yum.repos.d/CentOS-Linux-Plus.repo yum makecache yum install -y epel-release yum update -y sed -e 's|^metalink=|#metalink=|g' \\ -e 's|^#baseurl=https\\?://download.fedoraproject.org/pub/epel/|baseurl=https://mirrors.aliyun.com/epel/|g' \\ -e 's|^#baseurl=https\\?://download.example/pub/epel/|baseurl=https://mirrors.aliyun.com/epel/|g' \\ -i.bak \\..."
taxonomy_category:
  - "Centos"
taxonomy_post_tag:
  - "Centos"
  - "Linux"
---

# [Linux笔记]Centos8更换Yum国内源

```
sed -e 's|^mirrorlist=|#mirrorlist=|g' \
-e 's|^#baseurl=http://mirror.centos.org/$contentdir|baseurl=https://mirrors.aliyun.com/centos|g' \
-i.bak \
/etc/yum.repos.d/CentOS-Linux-AppStream.repo \
/etc/yum.repos.d/CentOS-Linux-BaseOS.repo \
/etc/yum.repos.d/CentOS-Linux-Extras.repo \
/etc/yum.repos.d/CentOS-Linux-PowerTools.repo \
/etc/yum.repos.d/CentOS-Linux-Plus.repo
yum makecache
yum install -y epel-release
yum update -y
sed -e 's|^metalink=|#metalink=|g' \
-e 's|^#baseurl=https\?://download.fedoraproject.org/pub/epel/|baseurl=https://mirrors.aliyun.com/epel/|g' \
-e 's|^#baseurl=https\?://download.example/pub/epel/|baseurl=https://mirrors.aliyun.com/epel/|g' \
-i.bak \
/etc/yum.repos.d/epel.repo
```