#aws

3 posts in this collection

AWS Command line: S3 content from stdin or to stdout

This article presents a quick tip that will help you deal with the content of files in S3 through the AWS command line in a much faster and simpler way. Did you ever want to simply print the content of a file in S3 from your command line and maybe pipe the output to another command? Or maybe, did you ever needed to pipe the standard output of a sequence of commands directly into a file in S3? I had this need multiple times and, before my amazing colleague Paul made me discover the tip I am about to describe…

From bare metal to Serverless

Lately, I tried to understand why modern cloud computing brought us to the idea (and growing adoption) of “Serverless”. In this article, I will illustrate the result of a small research I did about the history of Cloud computing from the age of bare metal to serverless . “You have to know the past to understand the present.” ― Carl Sagan At the end of this article, I will also illustrate a definition of Serverless and what are its main characteristics. The invention of the web This story starts with Sir…

Using Let’s Encrypt and Certbot to automate the creation of certificates for OpenVPN

Recently at Planet 9 Energy , I had to setup a VPN access to secure some of our internal services. One of the requirements was to make the provisioning easy to reproduce over multiple environments, so we ended up playing a bit with Terraform, while obviously adopting OpenVPN for the VPN server. Another important requirement was to expose the OpenVPN web interface (also called Access Server) using an SSL, which I was expecting to be one of the most challenging things to automate, instead, it turned out to…