Building a Lambda Atomic Counter

I wanted to build an atomic counter to keep metrics of site visits and actions. Originally I started storing all the log messages and I was going to write some queries to summarise it. However, I decided that I didn’t need all the underlying data, at least not in this format, it’s stored elsewhere, so…

Primer on AWS (3/3) – Virtual Private Cloud (VPC)

The third part of my AWS Primer covers the AWS Virtual Private Cloud (VPC) which is a key component of the platform. For anyone who’s planning to do the certification there are likely to be a lot of questions about it.When I was learning it I decided to draw myself a diagram covering all the…

Primer on AWS (2/3) – S3, the object store

S3 is the Content Repository of AWS. Technically it’s called an Object Store but it amounts to the same thing. It’s a way of storing your files (objects) in a secure manner with encryption and version control. Below is a diagram with my notes on S3 and there’s a link to a PDF version as…

Primer on AWS (1/3) – Route 53

Below are my notes on the AWS service Route 53. Route 53 is the AWS DNS service. It’s named after port 53 which is the DNS port. Route 53 is not a regional service it is set up on the Global region only. It’s more commonly used for public domain names but can also be…

AWS Summit London 2015

One thing that was very clear from the AWS Summit in London this month was that they had outgrown the Excel venue. The queues to get onto the escalators and up to the breakout rooms after lunch were so large that most sessions started late. Later in the afternoon they switched all the escalators to…