Security is important. So important, that Google will downgrade the position of your website if you do not have an SSL certificate. In the past, there was a big SSL certificate market where you could buy a certificate from many resellers. Luckily this process is a lot easier nowadays and in this post I will explain you how you can use a tool made by Mozilla and many others to get your free SSL certificate.
This tutorial guides you in setting up a system for collecting Tweets. Not in Apache Spark or Apache Flink, but just in Python. In many use cases, just a single computing node can collect enough Tweets to draw decent conclusions. In future blog posts, I will explain how to collect Tweets using a cluster (and with either Apache Spark or Apache Flink). But for now, lets focus on a simple Pythonic harvester!