[technion]

For this specific reason I'm a lot more comfortable running the "nosudo"[0] variant, which tells you to install the keys yourself.

A recently released Ruby gem also looks promising, in that it's a much better codebase with a tonne of tests.[1].

[0] https://github.com/diafygi/letsencrypt-nosudo [1] https://github.com/unixcharles/acme-client