I have web app running on a DO Droplet which I secured with Letsencrypt. The cert renewal has been failing it's weekly attempt ever since 8/6. I should've addressed the problem sooner, but the cert has expired. In ...
It's hard to tell you anything without more information.
Let's Encrypt does not require that you use CAA, only that your nameservers respond in a valid manner, which is an extremely low bar that most DNS providers mee...
I powered off my droplet from the command line to do a snapshot. After powering back up I can't ssh in. PuTTY gives me a "Server refused our key" error and prompts for password of the root user (providing the passwo...