# 경로 이동
cd /etc/yum.repos.d
# 백업 폴더 생성 및 이동
mkdir old
mv CentOS-* old
# 새 레포지토리 파일 생성
vi CentOS-Base.repo
[base]
name=CentOS-$releasever - Base
release=$releasever&arch=$basearch&repo=os&infra=$infra
baseurl=http://centos.mirror.cdnetworks.com/7/os/x86_64
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
#released updates
[updates]
name=CentOS-$releasever - Updates
release=$releasever&arch=$basearch&repo=updates&infra=$infra
baseurl=http://centos.mirror.cdnetworks.com/7/updates/x86_64
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
release=$releasever&arch=$basearch&repo=extras&infra=$infra
baseurl=http://centos.mirror.cdnetworks.com/7/extras/x86_64
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
release=$releasever&arch=$basearch&repo=centosplus&infra=$infra
baseurl=http://centos.mirror.cdnetworks.com/7/centosplus/x86_64
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
# yum cache 삭제
yum clean all
