Debug Ansible Playbooks Like A Pro
Ansible 2.1 introduced two features that make it possible to add proper debug logging to your playbooks, and also check and troubleshoot them on the fly, while they are executed. Read more
Posts about Cloud
XFS: Possible Memory Allocation Deadlock in kmem_alloc
We were hit by sudden I/O hangs on random virtual machines. Any attempt to write to a its data volume would block forever. This post describes the analysis, cause, and remedy of the problem. Read more
Distributed Stream Processing Frameworks for Fast & Big Data
03/27/17
Spark Streaming, Flink, Storm, Kafka Streams, ... The possibilities for stream processing are manifold. Time to bring some light into the dark. Read more
Legacy SOAP API integration with Java, AWS Lambda and AWS API Gateway
12/21/16
Leverage AWS API Gateway and AWS Lambda to integrate systems into your cloud infrastructure. Read more
Highly available VIPs on OpenStack VMs with VRRP
Creating VRRP connected VMs on an OpenStack cloud is a non-trivial task. In this blog post I will walk you through this task. Read more
The SMACK stack – hands on!
04/21/16
The SMACK stack is all the rage these days. Instead of just talking about it, this post is going to... Read more
Modifications to the CoreOS Ambassador Pattern
11/17/15
In this post I explain my changes to the ambassador pattern I implemented during a microservices project earlier this year.... Read more
Continuous Discussions (#c9d9): Episode 28 Recap – Docker and Containers in Your CD Pipeline
11/10/15
How are Docker containers being used today in software delivery pipelines, and what lessons have been learned on using containers... Read more
The need for speed – A story about DevOps, microservices, continuous delivery and cloud computing
05/27/15
Currently we can observe three mega-drivers that force IT into a dramatic change: Economic darwinism Digitization Disruptive technology All of... Read more