[linux] Centos 6.x yum 사용 방법

mkdir /etc/yum.repos.d/backup-repo
mv /etc/yum.repos.d/CentOS-*.repo
wget -P /etc/yum.repos.d https://mapoo.net/downfiles/Linux/repo/centos-vault.repo --no-check-certificate
yum clean all
yum repolist

언제 막힐지 모른다...