When writing cloudformation templates, many resources provide ARNS, but referencing dynamodb isn’t that simple. Therefore, this post explains one solution which I’ve found works well – possibly not the biggest or most important news, but I think worthwhile to show… Continue Reading →
I’ve been experimenting with developing Python code to try out Lambda, the Amazon Web Service which allows you to run code without the need to run virtual machines (or EC2 instances as they’re known in AWS-Land) or containers. However, managing… Continue Reading →
Anyone using Amazon Web Services will hopefully start using the CloudFormation service early on to start templating and automating the creation of their infrastructure. Until recently, these templates had to be written using the .json file format – however, this… Continue Reading →
Have you ever wanted to control the permissions of a file in Puppet without worrying about the contents of the file? As an example, we needed to deploy a private/public key pair – we didn’t want to place the keys… Continue Reading →
These days, it’s generally accepted that we should all be using code repositories to store and manage our code, but there have been several cases recently where passwords or other sensitive data have been exposed either due to security issues… Continue Reading →
I’ve been trying out Elementary’s linux distribution Freya on my Dell E7440 for a while and whilst generally it’s been working pretty well, I’d have occasional issues with flickering, black screens and so on.
I recently came across the situation where for a specific set of machines I needed to assign a specific combination of users to a group.
A short presentation I put together to give an overview of the ELK (ElasticSearch, Logstash, Kibana) stack for centralised logging.
I recently gave a short presentation to our local Amazon Web Services user group about Puppet and how to use it for deploying and managing hosts – the presentation is below: