Get Free SSL/TLS Certifcates

Download certbot from here.

$ wget https://github.com/certbot/certbot/archive/v0.8.0.tar.gz
$ tar -zxvf v0.8.0.tar.gz
$ cd certbot-0.8.0
$ ./certbot-auto

It give an error on AmazonAMI

Traceback (most recent call last):
  File "/root/.local/share/letsencrypt/bin/letsencrypt", line 7, in <module>
    from certbot.main import main
  File "/root/.local/share/letsencrypt/local/lib/python2.7/dist-packages/certbot/main.py", line 11, in <module>
    import zope.component
  File "/root/.local/share/letsencrypt/local/lib/python2.7/dist-packages/zope/component/__init__.py", line 16, in <module>
    from zope.interface import Interface
ImportError: No module named interface

To resolve this use

$ unset PYTHON_INSTALL_LAYOUT