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Eric Minick08/30/12
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How Experiment Cultures Lead to Continuous Deployment

While few of us want to live at the extremes of many production deployments of an app per day, many of us want to detect production problems quickly and be able to respond accordingly. Copy the infrastructure of good tests, piecemeal automated deployments, and good monitoring and apply them to your more reasonable goals.

Jakub Holý08/30/12
3974 views
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Minimalistic Practical Introduction to Puppet (Not Only) For Vagrant Users

I couldn’t find any good, brief, practical introduction into Puppet that gives you basic working knowledge in minimal time, so here it is. You will learn how to do the elementary things with Puppet – install packages, copy files, start services, execute commands. I won’t go into Puppet installation, nodes, etc. as this introduction focuses on the users of Vagrant, which comes with Puppet pre-installed and working in the serverless configuration.

Mark Needham08/29/12
5791 views
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The Curse Of Knowledge

Once we know something, we find it hard to imagine what it was like not to know it. Our knowledge has “cursed” us. And it becomes difficult for us to share out knowledge with others, because can’t readily re-create our listeners’ state of mind.

Gonzalo Ayuso08/28/12
3852 views
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Deployment Tip: How to Use Environ Variables to Create Different Environments with PHP

Mainly because my production environment is usually a cloud, and changing the code is a mess. What can we do? The solution that I like for these kind of problems is to use Apache’s environ variables.

Kris Buytaert08/27/12
3123 views
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Vagrant and Drupal, a Winning Team that Ends "It Works on My Machine" Excuses

With all of these tools and examples around , there should be no excuses anymore for Drupal developers to hack on their own machine and tell the systems people "It works on my machine" (let alone to hack in production).

Ranjib Dey08/26/12
5939 views
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Evolving Enterprise Infrastructure Using Chef

Learn some of the neat tricks and reasons that you would want to use the open source CM tool, Chef.

Daniel Ackerson08/25/12
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Forget Trains. Take off on a Release Plane!

For those that have to deal with release management, release train is a well-understood term. It refers to a software development schedule where multiple products are released as a part of a single ‘train’ on a regular, pre-planned schedule.

Eric Minick08/24/12
4248 views
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4 Signposts Towards a DevOps-Friendly SDLC

Four of the principals and laws that my company cites most frequently can help reinforce this direction and provide some needed checks as you begin transforming towards an organization whose path from idea to value (the software development lifecycle or SDLC in stodgy terms) needs to be more DevOps friendly.

Eric Minick08/23/12
6181 views
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The Curse of Tool Blindness: Maslow’s Hammer

In 1966 Abraham Maslow said, “I suppose it is tempting, if the only tool you have is a hammer, to treat everything as if it were a nail.” Maslow gave us all too much credit. When we have a hammer and know how great it is, we not only treat everything as a nail, we actually perceive everything to be a nail.

Andrew Phillips08/22/12
5190 views
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Connecting Continuous Integration to Continuous Delivery

At XebiaLabs, many of the questions we get about our enterprise deployment automation solution Deployit are from users looking for automated deployment as a prerequisite for Continuous Delivery. Often, this is the result of initiatives to extend existing Continuous Integration tooling to support application deployments.

Oliver Hookins08/21/12
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Rating My Team: Limoncelli Test (Based on Spolsky) for Sysadmins

Tom Limoncelli has his own version of The Joel Test – except his one is for sysadmins. I was only vaguely aware of Joel Spolsky’s test and only just read through it and rated my current team, and I’m glad to say we are just about at twelve for twelve.

Mitch Pronschinske08/21/12
5765 views
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All Roads Lead to Rome: For DevOps Days!

Another great Europe-based DevOps Day is on it's way for anyone who missed the earlier ones. It's on October 5th and 6th and it's going to be in Rome, Italy.

Gareth Rushgrove08/20/12
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Tale Of A Grok Pattern

One of the host powerful filters in logstash is the grok filter. It takes a grok pattern and parses out information contained in the text into fields that can be more easily used by outputs. This post serves hopefully as both an explanation of why and an example of how you might do that.

Eric Minick08/19/12
3611 views
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Can You Recover in 10 Minutes?

My alma-mater may be better known for its football team, but the engineering fraternity Theta Tau hosts a pretty wicked egg drop competition.

Kris Buytaert08/17/12
3938 views
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Our #Monitoringsucks RPM is Repository Available

The Rubygem Builds have changed along with the internal #monitoringsucks repository. All of these Vagrant projects are basically my test setups to play with those new tools.

Gareth Rushgrove08/16/12
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Riemann Puppet Module

Thanks to an errant tweet, I started playing with Riemann again. It ticks lots of boxes for me, from the clojure to configuration as code and the overloadable dashboard application. What started as using Puppet and Vagrant to investigate Riemann turned into a full-blown tool and module writing exercise.

Luke Galea08/15/12
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Logging Tables, Without the Mess

Logging tables are usually at the periphery of a design effort, sometimes added as an after-thought. But they shouldn't be. Here's how to do it without a lot of mess...

Pierre - Hugues...08/14/12
6076 views
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8 Ways to Improve Your Java EE Production Support Skills

Everybody involved in Java EE production support know this job can be difficult; 7/24 pager support, multiple incidents and bug fixes to deal with on a regular basis, pressure from the client and the management team to resolve production problems as fast as possible and prevent reoccurrences.

Ben Wootton08/14/12
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How To Do Rollback Well

The most important step is to implement an architecture that supports the need to rollback. For instance, componentised, service based architectures lend themselves well to this.

Alex Soto08/13/12
4323 views
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JaCoCo Jenkins Plugin

In this post we are going to see how to use the JaCoCo Jenkins plugin to achieve the same goal of Ant Tasks and have overall code coverage statistics for all modules.

Matthias Marschall08/13/12
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Devops and The Lean Startup

Let’s take a look how the ideas of The Lean Startup and Devops enrich each other to successfully create product development flow.

Ron Gross08/13/12
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How to do a Production Hotfix

It’s Thursday/Friday evening, the daily version / master branch was deemed too risky to install, and you decide to wait for Sunday/Monday with the deploy to production.

Alex Soto08/12/12
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JaCoCo in Maven Multi-Module Projects

In this post I am going to explain how to run code coverage using Maven and JaCoCo plugin in multi-module projects.

Swizec Teller08/09/12
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Making StatsD Talk Directly to a Browser

Your architecture now has a central service that collects all of your metrics, then pushes them to appropriate software, that doesn’t need to handle too much traffic and is guaranteed data will come from a single source in a sanitized format.

Mark Needham08/09/12
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Puppet: Keeping the Discipline

For the last 5 weeks or so I’ve been working with puppet every day to automate the configuration of various nodes in our stack and my most interesting observation so far is that you really need to keep your discipline when doing this type of work.