Let's Encrypt Certbot

How to solve Let’s Encrypt certbot “Problem binding to port 80”?

This happens because port 80 has been reserved for a running process. Which means there could be a web server running behind, i.e. Apache, Nginx, etc. You will need to turn off the webserver or software that using port 80 first and rerun the command to let it spin up a certbot HTTP server for […]

How to solve Let’s Encrypt client lacks sufficient authorization?

Error Message when you are trying to renew an existing cert or generate a new cert: The client lacks sufficient authorization :: Error creating new authz :: Validations for new domains are disabled in the V1 API(https://community.letsencrypt.org/t/end-of-life-plan-for-acmev1/88430) This error is caused by old version of certbot. You can simply upgrade your certbot to resolve this […]