1yum install certbot.noarch -y 234certbot -d *.example.com \ 5--manual \ 6--preferred-challenges \ 7dns certonly \ 8--server https://acme-v02.api.letsencrypt.org/directory 910... 11... 12create the TXT DNS record NOTE: In creating the cert, make sure to wait for 5minutes or better check in another terminal session if …