see rhel80t21 /root/vodien for certbot ssl cert for transmit.com.au

see letsencrypt.org (nonprofit cert authority)

installed certbot of rhel80t21

created signed cert by running
#certbot certonly --manual

it requires a .well-known/acme-challenge folder in the webroot on website
and to copy the creaqted DNS record to a specific file in this folder
(see transmit vodien tc1: putty ssh terminal connection, uss pub/prov keys
see public_html/.well-known/acme-challenge
)



#---------------------------------------------------------------
# also see possible use of stadalone mode
 
to get our certificate. We.ll use the --standalone option to tell Certbot to handle the challenge using its own built-in web server. The --preferred-challenges option instructs Certbot to use port 80 or port 443. If you.re using port 80, you want --preferred-challenges http. For port 443 it would be --preferred-challenges tls-sni. Finally, the -d flag is used to specify the domain you.re requesting a certificate for. You can add multiple -d options to cover multiple domains in one certificate.

sudo certbot certonly --standalone --preferred-challenges http -d example.com
When running the command, you will be prompted to enter an email address and agree to the terms of service. After doing so, you should see a message telling you the process was successful and where your certificates are stored: