1.wget -O epel.rpm –nv https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm 2. sudo yum install -y ./epel.rpm 3. sudo yum install python2-certbot-apache.noarch 4. certbot certonly --manual --preferred-challenges dns --manual-public-ip-logging-ok -d YOURWEBSITE