That version is more than 1.5 years old (Client Version 0.4.1)
I would prefer that you try an updated version instead.
Here are instructions: https://certbot.eff.org/all-instructions/#ubuntu-16-04-xenial-nginx
That version is more than 1.5 years old (Client Version 0.4.1)
I would prefer that you try an updated version instead.
Here are instructions: https://certbot.eff.org/all-instructions/#ubuntu-16-04-xenial-nginx