Jika benar anda pakai CentOS 6 (pastikan dengan menjalankan 'cat /etc/*release'), ganti isi /etc/yum.repos.d/mratwork.repo dengan:
[mratwork-release-neutral-noarch]
name=MRatWork - release-neutral-noarch
baseurl=https://github.com/mustafaramadhan/kloxo/raw/rpms/release/neutral/noarch/
#mirrorlist=http://rpms.mratwork.com/repo/mirrors/mratwork-release-neutral-noarch-mirrors.txt
enabled=1
gpgcheck=0
#[mratwork-release-neutral-arch]
#name=MRatWork - release-neutral-arch
#baseurl=https://github.com/mustafaramadhan/kloxo/raw/rpms/release/neutral/$basearch/
##mirrorlist=http://rpms.mratwork.com/repo/mirrors/mratwork-release-neutral-$basearch-mirrors.txt
#enabled=0
#gpgcheck=0
#[mratwork-release-version-noarch]
#name=MRatWork - release-version-noarch
#baseurl=https://github.com/mustafaramadhan/kloxo/raw/rpms/release/centos6/noarch/
##mirrorlist=http://rpms.mratwork.com/repo/mirrors/mratwork-release-centos6-noarch-mirrors.txt
#enabled=0
#gpgcheck=0
[mratwork-release-version-arch]
name=MRatWork - release-version-arch
baseurl=https://github.com/mustafaramadhan/kloxo/raw/rpms/release/centos6/$basearch/
#mirrorlist=http://rpms.mratwork.com/repo/mirrors/mratwork-release-centos6-$basearch-mirrors.txt
enabled=1
gpgcheck=0
[mratwork-testing-neutral-noarch]
name=MRatWork - testing-neutral-noarch
baseurl=https://github.com/mustafaramadhan/kloxo/raw/rpms/testing/neutral/noarch/
#mirrorlist=http://rpms.mratwork.com/repo/mirrors/mratwork-testing-neutral-noarch-mirrors.txt
enabled=1
gpgcheck=0
#[mratwork-testing-neutral-arch]
#name=MRatWork - testing-neutral-arch
#baseurl=https://github.com/mustafaramadhan/kloxo/raw/rpms/testing/neutral/$basearch/
##mirrorlist=http://rpms.mratwork.com/repo/mirrors/mratwork-testing-neutral-$basearch-mirrors.txt
#enabled=0
#gpgcheck=0
#[mratwork-testing-version-noarch]
#name=MRatWork - testing-version-noarch
#baseurl=https://github.com/mustafaramadhan/kloxo/raw/rpms/testing/centos6/noarch/
##mirrorlist=http://rpms.mratwork.com/repo/mirrors/mratwork-testing-centos6-noarch-mirrors.txt
#enabled=0
#gpgcheck=0
[mratwork-testing-version-arch]
name=MRatWork - testing-version-arch
baseurl=https://github.com/mustafaramadhan/kloxo/raw/rpms/testing/centos6/$basearch/
#mirrorlist=http://rpms.mratwork.com/repo/mirrors/mratwork-testing-centos6-$basearch-mirrors.txt
enabled=0
gpgcheck=0
[mratwork-srpms]
name=MRatWork - srpms
baseurl=https://github.com/mustafaramadhan/kloxo/raw/rpms/SRPMS/
#mirrorlist=http://rpms.mratwork.com/repo/mirrors/mratwork-SRPMS-mirrors.txt
enabled=0
gpgcheck=0
# ==================================
[mratwork-centalt]
name=MRatWork - centalt - arch
baseurl=http://centos.alt.ru/repository/centos/6/$basearch/
#mirrorlist=http://rpms.mratwork.com/repo/mirrors/centalt-centos-6-$basearch-mirrors.txt
enabled=0
gpgcheck=0
exclude=openssh* perl* mariadb* php* postfix* exim* ssmtp*
# ==================================
[mratwork-ius-stable]
name=MRatWork - IUS Community Packages for EL 6 (stable) - arch
baseurl=http://dl.iuscommunity.org/pub/ius/stable/Redhat/6/$basearch
mirrorlist=http://dmirr.iuscommunity.org/mirrorlist/?repo=ius-el6&arch=$basearch
enabled=1
gpgcheck=0
exclude=mysql51*
[mratwork-ius-archive]
name=MRatWork - IUS Community Packages for EL 6 (archive) - arch
baseurl=http://dl.iuscommunity.org/pub/ius/archive/Redhat/6/$basearch
enabled=1
gpgcheck=0
exclude=mysql51*
# ==================================
[mratwork-remi]
name=MRatWork - Les RPM de remi pour Enterprise Linux 6 - arch
baseurl=http://rpms.famillecollet.com/enterprise/6/remi/$basearch/
mirrorlist=http://rpms.famillecollet.com/enterprise/6/remi/mirror
enabled=0
gpgcheck=0
[mratwork-remi-php55]
name=MRatWork - Les RPM de remi de PHP 5.5 pour Enterprise Linux 6 - arch
baseurl=http://rpms.famillecollet.com/enterprise/6/php55/$basearch/
mirrorlist=http://rpms.famillecollet.com/enterprise/6/php55/mirror
enabled=0
gpgcheck=0
[mratwork-remi-php56]
name=MRatWork - Les RPM de remi de PHP 5.6 pour Enterprise Linux 6 - arch
#baseurl=http://rpms.famillecollet.com/enterprise/6/php56/$basearch/
mirrorlist=http://rpms.famillecollet.com/enterprise/6/php56/mirror
enabled=0
gpgcheck=0
# ==================================
[mratwork-epel]
name=MRatWork - Extra Packages for EL 6 - arch
baseurl=http://download.fedoraproject.org/pub/epel/6/$basearch
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-6&arch=$basearch
enabled=1
gpgcheck=0
exclude=postfix* exim* ssmtp* pdns*
# ==================================
# for varnish
[mratwork-varnish-3.0]
name=MRatWork - Varnish 3.0 for EL 6 - arch
baseurl=http://repo.varnish-cache.org/redhat/varnish-3.0/el6/$basearch
enabled=1
gpgcheck=0
# ==================================
# for hiawatha
[mratwork-centosec]
name=MRatWork - CentOS 6 Packages from CentOS.EC
baseurl=http://centos6.ecualinux.com/$basearch
enabled=0
gpgcheck=0
exclude=cairo*
# ==================================
# for nginx
[mratwork-nginx]
name=Kloxo-MR - nginx repo
baseurl=http://nginx.org/packages/mainline/centos/6/$basearch/
enabled=1
gpgcheck=0
# for nginx-stable
[mratwork-nginx-stable]
name=Kloxo-MR - nginx-stable repo
baseurl=http://nginx.org/packages/centos/6/$basearch/
enabled=1
gpgcheck=0
# ==================================
# for mariadb
[mratwork-mariadb-32]
name=Kloxo-MR - mariadb 32bit repo
baseurl=http://yum.mariadb.org/10.0/centos6-x86
enabled=0
gpgcheck=0
[mratwork-mariadb-64]
name=Kloxo-MR - mariadb 64bit repo
baseurl=http://yum.mariadb.org/10.0/centos6-amd64
enabled=0
gpgcheck=0
# ==================================
# for atrpms
[mratwork-atrpms]
name=Kloxo-MR - Fedora Core 6 - - ATrpms
baseurl=http://dl.atrpms.net/el6-$basearch/atrpms/stable
enabled=0
gpgcheck=0
# ==================================
# for litespeed
[mratwork-litespeed]
name=MRatWork - LiteSpeed Tech Repository for CentOS 6 - $basearch
baseurl=http://rpms.litespeedtech.com/centos/6/$basearch/
#failovermethod=priority
enabled=0
gpgcheck=0
[mratwork-litespeed-update]
name=MRatWork - LiteSpeed Tech Repository for CentOS 6 - $basearch
baseurl=http://rpms.litespeedtech.com/centos/6/update/$basearch/
#failovermethod=priority
enabled=0
gpgcheck=0
# ==================================
# for mod-pagespeed
[mratwork-google-mod-pagespeed]
name=MRatWork - google-mod-pagespeed
baseurl=http://dl.google.com/linux/mod-pagespeed/rpm/stable/$basearch
enabled=1
gpgcheck=0
# ==================================
# for mod_mono
[mratwork-mod-mono]
name=MRatWork - mod_mono
baseurl=http://download.mono-project.com/repo/centos/
enabled=0
gpgcheck=0
# ==================================
# for CentOS kernel
[mratwork-centos-kernel]
name=MRatWork - CentOS kernel
baseurl=http://elrepo.org/linux/kernel/el6/$basearch
enabled=0
gpgcheck=0
Saya menemukan kasus salah deteksi ini kebanyakan terjadi pada VPS yang pakai OpenVZ.