I tried manually installing packages from the PPA and running https://wiki.ubuntu.com/StableReleaseUpdates/Certbot/TestScript but the script failed because the Certbot systemd timer wasn't found.
I tried manually installing packages from the PPA and running https:/ /wiki.ubuntu. com/StableRelea seUpdates/ Certbot/ TestScript but the script failed because the Certbot systemd timer wasn't found.