CentOS7 Aliyun Yum Source use detailed _docker

CentOS 7 Yum Source using Aliyun

1. Back up the original Yum source

sudo cp/etc/yum.repos.d/centos-base.repo/etc/yum.repos.d/centos-base.repo.bak

2. Set the Aliyun yum source

sudo wget-o/etc/yum.repos.d/centos-base.repo Http://mirrors.aliyun.com/repo/Centos-7.repo  

3. Add Epel Source

Epel (Http://fedoraproject.org/wiki/EPEL) is a project built by the Fedora community to provide high-quality software packages for RHEL and derivative distributions such as CentOS, scientific Linux. After loading the Epel, you can install more software, as on Fedora, by Yum install Package-name.

sudo wget-p/etc/yum.repos.d/ Http://mirrors.aliyun.com/repo/epel-7.repo  

4. Clean up the cache and generate a new cache

sudo yum clean all
sudo yum Makecache

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