LInux 更换 yum 源

Linux 更换 yum 源

1.下载 wget

[test@ppl ~]$ sudo yum install wget -y

2.查看 base 源

[test@ppl ~]$ cd /etc/yum.repos.d
[test@ppl yum.repos.d]$ ll -h
total 32K
-rw-r--r--. 1 root root 1.7K Apr 28 12:35 CentOS-Base.repo
-rw-r--r--. 1 root root 1.3K Apr 28 12:35 CentOS-CR.repo
-rw-r--r--. 1 root root  649 Apr 28 12:35 CentOS-Debuginfo.repo
-rw-r--r--. 1 root root  314 Apr 28 12:35 CentOS-fasttrack.repo
-rw-r--r--. 1 root root  630 Apr 28 12:35 CentOS-Media.repo
-rw-r--r--. 1 root root 1.3K Apr 28 12:35 CentOS-Sources.repo
-rw-r--r--. 1 root root 4.7K Apr 28 12:35 CentOS-Vault.repo
[test@ppl yum.repos.d]$ 

3.备份旧的配置文件

[test@ppl yum.repos.d]$ sudo mv CentOS-Base.repo CentOS-Base.repo.bak

4.下载阿里源的文件

sudo wget -O CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

5.清理缓存/重新生成缓存

[test@ppl yum.repos.d]$ yum clean all
Loaded plugins: fastestmirror
Cleaning repos: base extras updates
Cleaning up everything
Maybe you want: rm -rf /var/tmp/yum-test-Me85wh, to also free up space taken by orphaned data from disabled or removed repos
[test@ppl yum.repos.d]$ yum makecache

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