DevOps
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Health Checks, Run-time Asserts and Monkey Armies
After going live, we started building health checks into the system – run-time checks on operational dependencies and status to…
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Distributed Apache Flume Setup With an HDFS Sink
I have recently spent a few days getting up to speed with Flume, Cloudera‘s distributed log offering. If you haven’t…
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Install Cloudera Manager 3.7.5 Free Edition
I recently installed Cloudera Manager Free Edition on my test cluster. I ran into a few problems during install so…
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Intro to Chef
Chef is an incredible tool, but despite its beginnings in 2008/2009 it still lacks an effective quick start, or even…
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5 things I learned from a Hacker attack
On Friday evening I got an e-mail from my provider. They told me my webspace was subject of a hackers…
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Business Agility Through DevOps and Continuous Delivery
The principles of Continuous Delivery and DevOps have been around for a few years. Developers and system administrators who follow…
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Devops and Maintenance go together like Apple Pie and Ice Cream
One of the things I like about devops is that it takes on important but neglected problems in the full…
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GlassFish: How to deploy a war file
Before trying this out make sure you have installed GlassFish in your machine. Installation is just easy as downloading the…
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Introduction to Puppet For Vagrant Users
I couldn’t find any good, brief, practical introduction into Puppet that gives you basic working knowledge in minimal time, so…
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