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The Puppet 2.7 Cookbook

Brand new edition for Puppet 3 available now!

Buy the Puppet 2.7 Cookbook now on Amazon UK or Amazon.com.

Why this book?

A revolution is coming to IT operations. Configuration management tools can build servers in seconds, and automate your entire network. Tools like Puppet are essential to taking full advantage of the power of cloud computing, and building reliable, scalable, secure, high-performance systems.

The Puppet 2.7 Cookbook takes you beyond the basics to explore the full power of Puppet, showing you in detail how to tackle a variety of real-world problems and applications. At every step it shows you exactly what commands you need to type, and includes full code samples for every recipe.

What they said

“The book that I wanted ‘Pro Puppet’ to be.”
“Very good insights… really has value. Well written, easy and fun to read.”
“Practical, handy, and useful… well organized.”

What’s in it?

  • Shows you how to use 100 powerful advanced features of Puppet, with detailed step-by-step instructions
  • Includes the latest features and updates in Puppet 2.7
  • Packed with tips and inspiring ideas for using Puppet to automate server builds, deployments, and workflows.
  • Covers all the popular tools and frameworks used with Puppet: Dashboard, Foreman, MCollective, and more
  • Written in a simple, practical style by a professional systems administrator and Puppet expert, every recipe has detailed step-by-step instructions showing you the exact commands and configuration settings you need.

The book takes the reader from a basic knowledge of Puppet to a complete and expert understanding of Puppet’s latest and most advanced features, community best practices, writing great manifests, scaling and performance, and how to extend Puppet by adding your own providers and resources. It starts with help on how to set up and expand your Puppet infrastructure, progresses through detailed information on the language and features, external tools, reporting, monitoring, and troubleshooting, and concludes with many specific recipes for managing popular applications.

What you’ll learn

  • Making Puppet reliable, performant, and scalable
  • Producing eye-catching reports and information for management
  • Understanding common error messages and troubleshooting common problems
  • Managing large networks with tools like Foreman and MCollective
  • Using classes and inheritance to write powerful Puppet code
  • Deploying configuration files and templates for lightning-fast installations
  • Using virtual machines to build test and staging environments, and production systems on cloud platforms such as EC2
  • Automating every aspect of your systems including provisioning, deployment and change management

Real-world examples from production

The book includes real examples from production systems and techniques that are in use in some of the world’s largest Puppet installations, including a distributed Puppet architecture and a high-performance Puppetmaster solution using Apache and Passenger. It shows you how to manage Puppet with a web interface and produce attractive, informative graphical reports and charts. It covers common problems and errors and shows you how to troubleshoot your Puppet manifests. You’ll be introduced to powerful tools that work with Puppet such as MCollective and Foreman. You’ll learn how to use object-orientation and classes to write powerful, reusable manifests, and how to embed Ruby code in templates. You’ll find out how to extend Puppet with custom resource types and providers. The book also explains managing Rails applications and databases, CMS systems such as Drupal, building web servers, load balancers, high-availability systems with Heartbeat, and many other state-of-the-art techniques.

  • Managing virtual machines with Vagrant
  • Building a Nagios monitoring server
  • Scaling Puppet using Passenger
  • Using cucumber-nagios to write behaviour-driven tests for your infrastructure
  • Using Augeas to edit config files
  • Managing users with virtual resources
  • Managing Rails applications
  • Managing firewalls with iptables
  • Building high-availability servers with Heartbeat
  • Using HAProxy for load-balancing
  • Using tools such as MCollective, Dashboard, and Foreman

What you’ll need

The book assumes that the reader already has a working Puppet installation and perhaps has written some basic manifests or adapted some published modules. It also requires some experience of Linux systems administration, including familiarity with the command line, file system, and text editing. No programming experience is required.

Why you should buy it

More and more systems administration and IT jobs require some knowledge of configuration management, and specifically Puppet. The Puppet 2.7 Cookbook not only gives you everything you need to become a Puppet expert, but includes powerful code samples and techniques developed over many years of production experience. With it, you’ll save time and effort by automating tedious manual processes, impress your boss by delivering better business value from IT, and future-proof your career by getting to grips with the new technologies revolutionizing the industry.

Read an interview with John Arundel, author of The Puppet Cookbook.

Notational Velocity / nvALT: 10 power user tips & tricks

Notational Velocity (NV) is a “modeless, mouseless Mac OS X note-taking application”, as the author describes it, which is elegant, attractive, and powerful. The original application has inspired various forks, of which nvALT is perhaps the best, and adds some very useful new features. In this article I’ll show you 10 power user tips and tricks to get the most out of nvALT.

1. Use NV as a knowledge organiser

NV is a great place to keep text of any kind:

  • tips
  • ideas
  • reminders
  • notes
  • meeting agendas and minutes
  • checklists and workflows
  • recipes
  • procedures and howtos
  • draft writings
  • cheat sheets

You can use it as a kind of external brain pack or databank: anything you think you might need again, stick it into NV. You never need to save; everything you type in is saved automatically.

It’s easy to find notes: just start typing in the title area and NV searches as you type, listing all matching notes.

If no note matches what you’ve typed, just press Enter to create a new note with that title. Simple, but brilliant!

NV works best with lots of short notes: for example, instead of one big note called ‘Recipes’, make separate notes: one for bolognaise, one for shepherd’s pie, one for cheesecake, and so on. If you put the word ‘recipe’ in the title, typing that will instantly find all your recipes.

Read more »

London DevOps Curry Night - Thursday 25 November 2010

Bringing together developers, sysadmins, and poppadoms

A social evening for sysadmins, developers, and the women who love them. (Or men obviously.) If you work in IT, love Unix or Macs, write code, enjoy open source products, or even if you just used to own a Spectrum when you were a kid. It’s the London DevOps Curry Night, Thursday 25th November 2010, at Ragam in Cleveland Street (near Goodge St or Warren St tube):

We will meet at the restaurant around 8.30pm, though we’ll be assembling in the nearby Grafton Arms in Grafton Way (nearest tube Warren St) from 7pm if you want to drink up an appetite!

Unfortunately this time we’ve got to limit the numbers - Ragam is a small restaurant and usually heavily booked up, so it’s first come first served. Email john@bitfieldconsulting.com if you’d like to come. We usually have a diverse and interesting array of guests so all are welcome, whether you self-identify as dev, ops or allied trades and miscellaneous.

Sysadmins Take Note

After many years as a professional sysadmin, my best tip for those just starting out is: take notes. Our job is basically about solving hard problems. (If they were easy, users would have solved them already.) This being so, keeping a detailed notebook of everything you do is like having an external brain pack. You don’t have to remember or rediscover how you solved that bizarre DNS problem back at your last gig; it’s in the book. You don’t have to reread the man page for half an hour to remind yourself how to self-sign an SSL certificate; it’s in the book. And you don’t have to waste time wondering where you got to on the current project at the end of last week; it’s in the book. Read more »

Puppet and MySQL: create databases and users

MySQL module for Puppet

Puppet MySQL management couldn’t be easier. Most applications use some kind of SQL database, and MySQL is a simple, easy to use, drop-in solution. In this article I’ll show you how to manage your MySQL servers, users, databases, and access permissions using Puppet. Read more »

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