【linux】centos yum 换源

一、问题描述

CentOS 7 更换yum源后,无法正常使用,报错信息如下:

复制代码
[root@host-10-43-1-3 ~]# yum install tmux
Loaded plugins: fastestmirror, langpacks
Repository base is listed more than once in the configuration
Repository updates is listed more than once in the configuration
Repository extras is listed more than once in the configuration
Repository centosplus is listed more than once in the configuration
Loading mirror speeds from cached hostfile
epel/x86_64/metalink                                                                                   |  15 kB  00:00:00     
 * base: mirrors.aliyun.com
 * epel: mirrors.tuna.tsinghua.edu.cn
 * extras: mirrors.aliyun.com
 * updates: mirrors.aliyun.com
base                                                                                                   | 3.6 kB  00:00:00     
https://download.docker.com/linux/centos/7/x86_64/stable/repodata/repomd.xml: [Errno 12] Timeout on https://download.docker.com/linux/centos/7/x86_64/stable/repodata/repomd.xml: (28, 'Connection timed out after 30001 milliseconds')
Trying other mirror.
https://download.docker.com/linux/centos/7/x86_64/stable/repodata/repomd.xml: [Errno 12] Timeout on https://download.docker.com/linux/centos/7/x86_64/stable/repodata/repomd.xml: (28, 'Connection timed out after 30001 milliseconds')
Trying other mirror.

二、解决方案

1、删除yum配置中的原先依赖库

复制代码
sudo rm -rf /etc/yum.repos.d/*

2、下载163源

复制代码
sudo wget -qO- http://mirrors.163.com/centos/7.9.2009/os/x86_64/Packages/python-iniparse-0.4-9.el7.noarch.rpm
sudo wget -qO- http://mirrors.163.com/centos/7.9.2009/os/x86_64/Packages/yum-metadata-parser-1.1.4-10.el7.x86_64.rpm
sudo wget -qO- http://mirrors.163.com/centos/7.9.2009/os/x86_64/Packages/yum-3.4.3-168.el7.centos.noarch.rpm
sudo wget -qO- http://mirrors.163.com/centos/7.9.2009/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.31-54.el7_8.noarch.rpm

3、依次安装

复制代码
rpm -ivh python-iniparse-0.4-9.el7.noarch.rpm
rpm -ivh yum-metadata-parser-1.1.4-10.el7.x86_64.rpm
rpm -ivh yum-3.4.3-168.el7.centos.noarch.rpm yum-plugin-fastestmirror-1.1.31-54.el7_8.noarch.rpm

4、进入配置文件夹

复制代码
cd /etc/yum.repos.d

5、 下载最新依赖

复制代码
sudo wget http://mirrors.163.com/.help/CentOS7-Base-163.repo

6、修改配置项

复制代码
vim CentOS7-Base-163.repo

7、更换 $releasever 为centos版本号

我这里的centos版本号是7.9.2009

复制代码
# CentOS-Base.repo
#
# The mirror system uses the connecting IP address of the client and the
# update status of each mirror to pick mirrors that are updated to and
# geographically close to the client.  You should use this for CentOS updates
# unless you are manually picking other mirrors.
#
# If the mirrorlist= does not work for you, as a fall back you can try the 
# remarked out baseurl= line instead.
#
#
[base]
name=CentOS-7.9.2009 - Base - 163.com
#mirrorlist=http://mirrorlist.centos.org/?release=7.9.2009&arch=$basearch&repo=os
baseurl=http://mirrors.163.com/centos/7.9.2009/os/$basearch/
gpgcheck=1
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7

#released updates
[updates]
name=CentOS-7.9.2009 - Updates - 163.com
#mirrorlist=http://mirrorlist.centos.org/?release=7.9.2009&arch=$basearch&repo=updates
baseurl=http://mirrors.163.com/centos/7.9.2009/updates/$basearch/
gpgcheck=1
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7

#additional packages that may be useful
[extras]
name=CentOS-7.9.2009 - Extras - 163.com
#mirrorlist=http://mirrorlist.centos.org/?release=7.9.2009&arch=$basearch&repo=extras
baseurl=http://mirrors.163.com/centos/7.9.2009/extras/$basearch/
gpgcheck=1
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7

#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-7.9.2009 - Plus - 163.com
baseurl=http://mirrors.163.com/centos/7.9.2009/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7

8、 清理yum缓存的各个部分

复制代码
yum clean all

9、重新生成yum新缓存,完成换源

复制代码
yum makecache

Loaded plugins: fastestmirror, langpacks
Determining fastest mirrors
base                                   | 3.6 kB     00:00     
extras                                 | 2.9 kB     00:00     
updates                                | 2.9 kB     00:00     
(1/10): base/7/x86_64/group_gz           | 153 kB   00:01     
(2/10): base/7/x86_64/primary_db         | 6.1 MB   01:24     
(3/10): extras/7/x86_64/filelists_db     | 305 kB   00:03     
(4/10): extras/7/x86_64/other_db         | 154 kB   00:00     
(5/10): extras/7/x86_64/primary_db       | 253 kB   00:04     
(6/10): base/7/x86_64/filelists_db       | 7.2 MB   01:41     
(7/10): base/7/x86_64/other_db           | 2.6 MB   00:27     
(8/10): updates/7/x86_64/filelists_db    |  15 MB   03:24     
(9/10): updates/7/x86_64/other_db        | 1.6 MB   00:15     
(10/10): updates/7/x86_64/primary_db     |  27 MB   06:03     
Metadata Cache Created

10、尝试下载新的工具包

复制代码
yum install tmux

Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package tmux.x86_64 0:1.8-4.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

==============================================================
 Package     Arch          Version          Repository   Size
==============================================================
Installing:
 tmux        x86_64        1.8-4.el7        base        243 k

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

Total download size: 243 k
Installed size: 558 k
Is this ok [y/d/N]: y
Downloading packages:
tmux-1.8-4.el7.x86_64.rpm                | 243 kB   00:03     
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Warning: RPMDB altered outside of yum.
  Installing : tmux-1.8-4.el7.x86_64                      1/1 
  Verifying  : tmux-1.8-4.el7.x86_64                      1/1 

Installed:
  tmux.x86_64 0:1.8-4.el7                                     

Complete!

搞定!

附加:

centos7 卸载docker

复制代码
yum remove docker docker-common docker-selinux docker-engine

centos7 安装docker

复制代码
yum install docker
相关推荐
漫步企鹅28 分钟前
【蓝牙】Linux Qt4查看已经配对的蓝牙信息
linux·qt·蓝牙·配对
cui_win39 分钟前
【网络】Linux 内核优化实战 - net.core.flow_limit_table_len
linux·运维·网络
梦在深巷、40 分钟前
MySQL/MariaDB数据库主从复制之基于二进制日志的方式
linux·数据库·mysql·mariadb
风清再凯44 分钟前
自动化工具ansible,以及playbook剧本
运维·自动化·ansible
深圳安锐科技有限公司1 小时前
深圳安锐科技发布国内首款4G 索力仪!让斜拉桥索力自动化监测更精准高效
运维·安全·自动化·自动化监测·人工监测·桥梁监测·索力监测
猫头虎1 小时前
猫头虎 AI工具分享:一个网页抓取、结构化数据提取、网页爬取、浏览器自动化操作工具:Hyperbrowser MCP
运维·人工智能·gpt·开源·自动化·文心一言·ai编程
冰橙子id1 小时前
linux系统安全
linux·安全·系统安全
stark张宇1 小时前
VMware 虚拟机装 Linux Centos 7.9 保姆级教程(附资源包)
linux·后端
Johny_Zhao1 小时前
Ubuntu系统安装部署Pandawiki智能知识库
linux·mysql·网络安全·信息安全·云计算·shell·yum源·系统运维·itsm·pandawiki
悲伤小伞2 小时前
linux_git的使用
linux·c语言·c++·git