Faruque Ahmed : MCP, MCSA, MCSE, MCTS, MCIT, CCNA, OCA, OCP, GCP
LL
# mkdir /etc/yum.repos.d/backup
# mv /etc/yum.repos.d/CentOS-*.repo /etc/yum.repos.d/backup/
tee /etc/yum.repos.d/CentOS-Vault.repo > /dev/null << 'EOF'
[base]name=CentOS-7 - Basebaseurl=http://vault.centos.org/7.9.2009/os/$basearch/gpgcheck=1enabled=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7------------------------------------
yum clean allyum makecacheyum updateLL