Letsencrypt/publicBetaについて、ここに記述してください。

1. Public Beta

Debian experimental, Arch linux and FreeBSD now have native packages, ...

2. Webroot

If you’re running a webserver that you don't want to stop to use standalone, you can use the webroot plugin to obtain a cert by including certonly and --webroot on the command line.

3. Ubuntu 14.04 log

/log letsencryptのインストールまではすんなり行った模様。

-- ToshinoriMaeno 2015-12-04 08:33:19