Adding new CentOS 7 repo servers

Moving the old repo to backup

mv /etc/yum.repos.d/Centos-* /tmp/

Create new repo

vi /etc/yum.repos.d/viettel.repo

[viettel]
name=Viettel Repository
baseurl=http://centos-hn.viettelidc.com.vn/7.3.1611/os/x86_64/
enabled=1
gpgcheck=0

Other mirorrs in Vietnam

http://mirrors.viettelidc.com.vn/
http://mirror-fpt-telecom.fpt.net/
http://mirrors.vinahost.vn/
http://mirrors.digipower.vn/
http://mirrors.aluhost.com/centos/
http://mirrors.vonline.vn/centos/
http://mirror.digistar.vn/centos/
http://mirrors.123host.vn/
http://mirror.ehost.vn/centos/
http://mirrors.nhanhoa.com/
http://mirror.tadu.vn/centos/
http://mirrors.vhost.vn/
http://mirrors.viethosting.com/

Test new repo

# export http_proxy=http://proxy.com:8080
# export https_proxy=http://proxy.com:8080

yum update

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