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ZooKeeper on Kubernetes

The last couple of weeks I’ve been playing around with docker and kubernetes. If you are not familiar with kubernetes let’s just say for now that its an open source container ...
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Linux productivity tools for me

This is the stack/are the tools that keep me productive in my day to day programming experience on linux. Well, first of all let me tell you, that this might not fit your needs , as ...
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Installing Drupal on FreeBSD

Drupal ports have been available on FreeBSD since quite a long time, and binary packages can be installed very quickly. However, manual setup is required to connect Drupal to the database ...
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Docker RabbitMQ cluster

I have been trying to create a Docker based RabbitMQ cluster on and off for sometime and got it working today – fairly basic and flaky but could be a good starting point for others ...
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Continuous Delivery with Docker, Jenkins, JBoss Fuse and OpenShift PaaS

I recently put together an end-to-end demo showing step-by-step how to set up a Continuous Delivery pipeline to help automate your deployments and shorten your cycle times for getting ...
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Using rlimit (And Why You Should)

I’ve been going through some old notes and came across a reminder of setrlimit(2). This is a C system call that allows an application to specify resource limitations on a number of ...
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Load Balance WebSockets using Apache HTTPD

JBoss EAP 6.3 provides a technology preview of WebSocket and WildFly have supported them as part of Java EE 7 compliance. github.com/javaee-samples/javaee7-samples/tree/master/websocket ...
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Deployment Script vs. Rultor

When I explain how Rultor automates deployment/release processes, very often I hear something like: But I already have a script that deploys everything automatically.This response ...
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Monitoring Akka with Kamon

I like the JVM a lot because there are a lot of tools available for inspecting a running JVM instance at runtime. The Java Mission Control (jmc) is one of my favorite tools, when it ...
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Route 53 Benchmark: The New AWS Geolocation’s Surprising Results

Latency vs. Geolocation: Testing DNS configurations across multiple EC2 regions using AWS Route 53 If you’re using the AWS stack, you’ve probably been through this: Deciding which ...
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