Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. crt.sh | example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.
My domain is:
I ran this command:
certbot renew
It produced this output:
root@node5:~# certbot renew
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Processing /etc/letsencrypt/renewal/node5.ham5teak.net.conf
Cert is due for renewal, auto-renewing...
Plugins selected: Authenticator standalone, Installer None
Renewing an existing certificate
Performing the following challenges:
http-01 challenge for node5.ham5teak.net
Cleaning up challenges
Attempting to renew cert (node5.ham5teak.net) from /etc/letsencrypt/renewal/node5.ham5teak.net.conf produced an unexpected error: Problem binding to port 80: Could not bind to IPv4 or IPv6.. Skipping.
All renewal attempts failed. The following certs could not be renewed:
/etc/letsencrypt/live/node5.ham5teak.net/fullchain.pem (failure)
All renewal attempts failed. The following certs could not be renewed:
/etc/letsencrypt/live/node5.ham5teak.net/fullchain.pem (failure)
1 renew failure(s), 0 parse failure(s)