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Instant OpenNMS Starter, by Ghislain Hachey
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A short, fast, and focused guide on OpenNMS that delivers immediate results
Overview
- Learn something new in an Instant! A short, fast, focused guide delivering immediate results
- Learn something new with OpenNMS in an instant
- Be the first to know when network issues arise through notifications
- Easily discover nodes on your network and start monitoring right away
In Detail
OpenNMS is an enterprise-grade network monitoring platform built following the open source model by a strong community of professional network operators. It is proven to scale to hundreds of thousands of nodes and rivals even the best proprietary competing products in terms of features. Equally, it is well suited to manage small network infrastructures with relative ease, which makes it an ideal choice from the start.
Instant OpenNMS Starter helps you get to grips with OpenNMS, understand what it is and what it can do for you, and then get to work with the most important features and tasks. It aims to make network and systems administration more exciting and inspires you to use this professional grade system in your own unique ways.
At a time when the number of technology start-ups is increasing at an exciting rate, Instant OpenNMS Starter is the ideal introduction to a tool that will help you maintain the highest possible level of service.
This book provides a lot in a very short amount of space. You will be given everything you need to get started with a reasonably secure installation. In minutes, you will be monitoring as little or as many nodes on your network as you wish.
You will be armed with the knowledge and inspiration necessary to take network management to the next level.
What you will learn from this book
- Find out how to benefit from using OpenNMS with little effort right from the start
- Learn how you can extend the capabilities of OpenNMS through the use of SNMP
- Tune OpenNMS to your specific network monitoring needs
- Generate custom reports for the technical team, management, or clients
- Chart performance data for your important services or any other network metric
- Learn to configure thresholds, alarms, and notifications
Approach
Get to grips with a new technology, understand what it is and what it can do for you, and then get to work with the most important features and tasks. A starters' guide to learning OpenNMS with ease, with a focus on immediate results.
Who this book is written for
Instant OpenNMS Starter is for network administrators of any level with a slight focus on the novice that would enjoy a swift glance at what OpenNMS has to offer. It assumes the reader will have knowledge of basic network operations and protocols such as the Internet Protocol Suite.
- Sales Rank: #3129889 in Books
- Published on: 2013-06-21
- Released on: 2013-06-21
- Original language: English
- Dimensions: 9.25" h x .14" w x 7.50" l, .0 pounds
- Binding: Paperback
- 60 pages
About the Author
Ghislain Hachey
Ghislain Hachey is an Electrical Engineer, with a Masters of Information Systems, and is a Technology Specialist by experience. He is Canadian, but has spent the past 10 years working in development in the South Pacific, advocating the use of free software. He worked at the grass roots level on pioneer projects with the goal of improving access to communication and education in remote, rural areas of the Solomon Islands. He then moved on to work in the private sector in Vanuatu, where he is largely responsible for the establishment of the first privately and locally owned small data center and also a distance and flexible learning institution.
He currently oversees all technical operations of Computer and Network Services (www.cns. com.vu), the leading Information Technology service provider operating in Vanuatu. Find him on his personal website www.ghachey.info or on LinkedIn.
Most helpful customer reviews
2 of 2 people found the following review helpful.
Instant OpenNMS Starter lives up to its title
By Wesley "Nonapeptide" David
Instant OpenNMS Starter is one title in Packt Publishing's line of "Instant" books. The book is a mere 60 pages long and was published in June of 2013. I recently had to work with a greenfield OpenNMS deployment for a small office and was shocked at the lack of learning resources for the software.
Usually a FOSS project of the size and tenure that OpenNMS is would have a large library of books, both officially published and community created. OpenNMS seems to be rather behind in the documentation department compared to other similar projects. This book is a welcome addition to the meager resources available to learn about such a long-lasting and truly FOSS NMS. Packt publishing offers their eBooks in ePub, mobi, and PDF. I was thus able to read this book on my eInk Kindle Touch, which I was happy about.
The Book:
It's not really organized by chapters. It's essentially one big chapter titled "instant OpenNMS Starter" with multiple bullet points underneath it. A look at the table of contents on the Packt Publishing website confirms that it's merely a long bulleted list of different bite sized topics.
Manage your expectations:
It is self evident, based on the title of the book and page count, that this is truly a quick start guide. This is not a book that attempts to exhaust anything. Fast readers can finish this book in a lunch break. I'm a slow reader preferring to dawdle and pause as I Google topics that intrigue me in the pages. Even so, it took less than three hours for me to finish.
Based Upon a Creaky Foundation:
A lot of the Instant OpenNMS Starter is based upon the OpenNMS documentation / wiki, which is notoriously slim. The first quarter of the starter, mostly referring to how to install OpenNMS, will often reference the documentation, which is somewhat rough. I've implemented OpenNMS myself based on the documentation and was underwhelmed.
At times in the Instant OpenNMS Starter it will admit that certain features of OpenNMS are sparsely documented and that you'll simply have to look at existing code and config files to figure it out on your own. An actual quote from the book concerning polling custom services says "...good documentation for achieving this is missing at the moment." In another location, the use of actiond and scriptd services for automation is touched upon and then left as an exercise to the reader saying: "The little documentation on how to achieve this can be found at..." along with a link.
But Wait! It's Actually Good!
Okay, so at this point maybe I've sounded a little pessimistic. I don't mean it to sound that way at all. The book is well done and fills a gap that exists in regards to getting people up and running quickly and reliably with a broad base of understanding that they can move forward with.
It initially starts with a general overview of what OpenNMS is and what niche it fills. It mentions the ITU's landmark document "M.3010: Principles for a telecommunications management network" and how OpenNMS conforms to it. It briefly mentions FCAPS and OpenNMS's role to play in that framework.
After those very briefly touched upon topics, it launches a quick introduction on how to install OpenNMS, including selecting the JDK, configuring PostgreSQL a little bit, and finding proper repos. Once that's done, it introduces you to some overall concepts in the OpenNMS world. In so doing, it uses the theoretical situation of an IT services company that has their own infrastructure to manage as well as customer services to watch over. I found that bit of realism very helpful, even in such a brief book, to make the bite-sized concepts gel.
The web user interface is touched on, host discovery, and some of the "out-of-the-box features" like events and alarms are introduced. After that, more advanced topics are brushed over such as how to organize users in groups and use categories to make a hierarchy of notification paths. All the while the scenario of an IT services company is used to show brief, real-world use cases for these features.
Then comes the largest single portion of the book, the meatiest section, "Top 5 Features You Need to Know About." Those five features are, in order:
Service Assurance Through Polling
Data Collection Through Collectors
Thresholds and Notifications
Events, Alarms, and Automations
Reports
Each of those sections gives you point by point insight into the basics, and sometimes the intermediate insights, of the topics at hand. I was impressed that most times the actual .xml config files were explored rather than simply showing how to do something in the web GUI. Even automation (a sparse feature in OpenNMS) was explored a bit, including making custom actions that execute SQL queries.
Final Word:
This is what has been needed in the OpenNMS community for people just getting off the ground. In my experience as just such an individual not too long ago, there is no sufficient quick start guide in the official OpenNMS wiki that is broad, thorough, and accurate enough to get you started on a solid course to continuing education. There were parts of the book that had some rough grammar, tense, and even doubled words, but those are minor editorial mistakes that I'm sure will be taken care of shortly and they certainly don't detract from the meat of the book.
At many points during the few hours it took to finish this book, I found myself saying "Ohhhh! So that's how it works..." and this is after having spent hours scouring the wiki, implementing OpenNMS myself, and working with it for a short time. If you are new to OpenNMS or considering it, I don't think you could go wrong by spending a lunch break reading through this. You might get some good ideas on how to take your implementation of OpenNMS to the next level. The Instant OpenNMS Starter won't take you there itself, but it will give you pointers to a few good paths that you can walk yourself down.
0 of 0 people found the following review helpful.
Packed with information for beginners and intermediate
By Umberto Nicoletti
Disclaimer: the publisher kindly sent me a free copy for review.
The book itself is short, but packed with information. A fast reader with some experience with OpenNMS should be able to finish it in 4 to 6 hours. Beginners will probably want to follow the pointers to the online documentation, check the configuration files and possibly experiment so they should allocate more time.
Before being published the book has been reviewed by Jeff Gehlbach. Anyone who has been involved with OpenNMS for some time know him, as he is one of the many brilliant minds working for the OpenNMS company, the commercial entity which develops and supports OpenNMS. Surely his involvement serves as a kind of seal of quality for the book. I for one was surprised by the clarity with even the most complex aspects of OpenNMS were presented in such a short text.
The book is divided in three main parts: installation, quick start and an advanced section that the book calls `the top 5 features'. The final section is a reference of sites and humans with more information on OpenNMS.
The author has been careful to link to the relevant sections of the online wiki when he felt that the wiki content was adequate, without devoiding the book of any additional practical information. For instance in the installation section he actually describes a more secure way of installing OpenNMS than that described in the online user guide and he does so by simply citing the extra steps while leaving to the online documentation to specify the rest.
The quick start section is useful for those in a hurry to just have something monitored with OpenNMS and needing to for a pointer on what all those links in the web ui do.
The advanced section is where probably you will spent most of your time as it describes the most interesting features of OpenNMS which are:
1. service assurance through polling
2. data collection through collectors
3. thresholds and notifications
4. events, alarms and automations
5. reports
IMHO one glaring omission in this list is the Provisioning system ([...] which was introduced with OpenNMS 1.8 and is a key feature because it covers a critical aspect: how nodes are added into OpenNMS for monitoring. I reread the book twice hoping that perhaps it was mistake on my part, but I could not find a single reference to it.
The book covers each of the five areas with enough depth to give a dedicated beginner useful pointers and background on how to implement the most advanced features of OpenNMS. The author again intelligently uses links to the online wiki to extend the text.
Only the section on reports felt a little thin. In defense of the author one could say that the reports area is so complex that it would have quickly grown out of hand for this kind of book. Perhaps in a second edition he should consider expanding it to at least mention the possibility of creating Jasper reports from collected data.
Instant OpenNMS Starter is clearly aimed at, and I recommend it for, people starting with OpenNMS, evaluating it or who might have inherited a working installation and now have to maintain it. Users seeking to master one of the 5 areas listed above should certainly consider buying it when the online bits and pieces feel not enough or too sparse.
By the title it should come as no surprise that advanced users are not likely to find any new or useful information at all, but, again given the price and the short text, it could still be used as a kind of self-check.
0 of 1 people found the following review helpful.
BOOK?!!!! Fifty-two pages does not make a book....
By Amazon Customer
This "book" has some useful information with regards to installing the software and a basic tour of the GUI and thats about it.
Very little information on even the most basic configuration.
Probably could have found more in-depth information on the OpenNMS wiki.
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