Centos7 modify the source yum Ali source (Big Data Foundation 02_2)

## guaranteed on the Internet, I do not know how to view large data networking foundation 02_1

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(1) Install the software wget

yum install -y wget

Finally, the installation is complete display Complete, represents a successful installation

(2) View yum source information:

     yum repolist

Yum is currently connected to foreign websites, ordinary (fq now looks like a very strict tube) and a multi-speed download limit very! very much! very slow!

(3) Access installation directory

  cd /etc/yum.repos.d 

(4) Backing up the old configuration files

  mv CentOS-Base.repo CentOS-Base.repo.bak

(5) Download the file Ali source (installed base reop source)

  wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/Centos-7.repo

(6) Clean up Cache

yum clean all

(7) Re-deployment

yum makecache

(8) again to view the yum source information

yum repolist

Deployment is successful, warehouses changed to Ali cloud