How to quickly generate random secure token with nodejs

Quick fix to an ssl error was encountered with python requests on Ubuntu 14.04.

Github pages currently does not support https for blogs that use custom domain name, and here is what CloudFlare comes to a rescue.

Let’s Encrypt is a free, automated, and open CA (Certificate Authority) and let's make use of it to enable ssl access to web application serviced by nginx.

Java okhttp client trustall certificate (for test only).