ChamplainTechJournals/net-sec-controls-sec350/labs/week02/centOS_repo_fix.md

CentOS Repo Fix

They changed the URLs for the repos for CentOS. to fix, change the repos in yum's config:

sudo sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/CentOS-*.repo
sudo sed -i s/^#.*baseurl=http/baseurl=http/g /etc/yum.repos.d/CentOS-*.repo
sudo sed -i s/^mirrorlist=http/#mirrorlist=http/g /etc/yum.repos.d/CentOS-*.repo