yum repository 설정
vi /etc/yum.repos.d/CentOS-Base.repo
mirrorlist 를 주석처리하고 baseurl 에 국내 미러 사이트를 설정
[base]name=CentOS-$releasever - Base#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/baseurl=http://centos.mirror.cdnetworks.com/$releasever/os/$basearch/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7[updates]name=CentOS-$releasever - Updates#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/baseurl=http://centos.mirror.cdnetworks.com/$releasever/updates/$basearchgpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
빠른 미러 사이트를 찾아주는 fast mirror plugin 중지
vi /etc/yum/pluginconf.d/fastestmirror.conf
아래 내용중에 enabled=1 을 enabled=0 으로 변경
[main]enabled=0verbose=0
[base]baseurl=http://centos.mirror.cdnetworks.com/$releasever/os/$basearch/[updates]baseurl=http://centos.mirror.cdnetworks.com/$releasever/updates/$basearch
[base]baseurl=http://mirror.kakao.com/centos/$releasever/os/$basearch/[updates]baseurl=http://mirror.kakao.com/centos/$releasever/updates/$basearch
[base]baseurl=http://mirror.navercorp.com/centos/$releasever/os/$basearch/[updates]baseurl=http://mirror.navercorp.com/centos/$releasever/updates/$basearch/