[VLC Player Install]

-->Repository

# yum --enablerepo=atrpms install vlc

[Repository - atrpms]

$ vi /etc/yum.repos.d/atrpms.repo

[atrpms]
name=Redhat Enterprise Linux $releasever - $basearch - ATrpms
baseurl=http://dl.atrpms.net/el$releasever-$basearch/atrpms/stable
enabled=0
gpgcheck=1
gpgkey=http://atrpms.net/RPM-GPG-KEY.atrpms

$ rpm --import http://atrpms.net/RPM-GPG-KEY.atrpms

[NVIDIA Driver Install for CentOS6]

-->Repository

# yum --enablerepo=elrepo install kmod-nvidia.i686 nvidia-x11-drv.i686

[Repository - elrepo]

http://elrepo.org/tiki/tiki-index.php

# rpm --import http://elrepo.org/RPM-GPG-KEY-elrepo.org
# rpm -Uvh http://elrepo.org/elrepo-release-6-4.el6.elrepo.noarch.rpm
# vi /etc/yum.repos.d/elrepo.repo
念のため変更
enabled=1 --> enabled=0