Roger Welin

Introduction Your PostgreSQL database keeps growing, even though the number of rows stays roughly the same.

GitOps is a term first coined and popularized at Weaveworks.

In this post I will show how to easily build an external api with authentication with help from Traefik.

In this guide we will leverage AWS to build a completely serverless website (frontend and backend api) using S3, API Gateway and Lambda.

Traefik is an awesome reverse proxy (and load balancer) with lots of backend supports.

In this post we will delve into the fundamentals of Go’s concurrency features, the target audience are readers familiar with the language; however no prior knowledge of concurrency is required.

This will be a tutorial in how to implement websockets in Go using the excellent gorilla/websocket package.

Sensu is a decent monitoring platform compared to nagios, since the configuration is more flexible (and a lot more config mgmt friendly) and the platform is also easier to scale and customize.

Microservice architecture is a common architecture pattern that favors small services that’s independantly deployable which communicates with each other most often with a HTTP api.

I recently did some investigations at work on how to keep documentation up to date.

Both devs and ops care a lot about logging.

I’ve recently been working with the new pipeline plugin dsl in Jenkins 2.0 and the more I work with it the more I like it - I truly believe that it’s the next generation of pipeline as code even though it has several limitations and gotchas that I will de…

As long as I have been working with configuration management tools (puppet & ansible) there hasn’t really been a good way to test the units you’ve been written.

One thing that I really think is neat with Ansible is that when you need functionality that are not part of the Ansible core (let’s say you need to integrate Ansible with bigip F5 load balancer) you can just turn to Python (or any other language for that…

So what makes a good and helpful command line application?

First let’s set up our build rpm environment by installing the following: [bob@vagrant-centos65 ~]$ sudo yum install -y rpmdevtools rpmlint Then we’ll set up the folder structure with the rpmdev-setuptree command.

Welcome to the first part article on how to build rpm packages.

One thing with Ruby I don’t quite like (and many with me) are the Ruby gems.

Not long ago Kibana 4 was released and I think it’s a major improvement in relation to the previos version of Kibana.