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DevOps Troubleshooting: Linux Server Best Practices
 
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DevOps Troubleshooting: Linux Server Best Practices [Format Kindle]

Kyle Rankin

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Descriptions du produit

Présentation de l'éditeur

“If you’re a developer trying to figure out why your application is not responding at 3 am, you need this book! This is now my go-to book when diagnosing production issues. It has saved me hours in troubleshooting complicated operations problems.”

Trotter Cashion, cofounder, Mashion

 

DevOps can help developers, QAs, and admins work together to solve Linux server problems far more rapidly, significantly improving IT performance, availability, and efficiency. To gain these benefits, however, team members need common troubleshooting skills and practices.

 

In DevOps Troubleshooting: Linux Server Best Practices , award-winning Linux expert Kyle Rankin brings together all the standardized, repeatable techniques your team needs to stop finger-pointing, collaborate effectively, and quickly solve virtually any Linux server problem. Rankin walks you through using DevOps techniques to troubleshoot everything from boot failures and corrupt disks to lost email and downed websites. You’ll master indispensable skills for diagnosing high-load systems and network problems in production environments.

 

Rankin shows how to

  • Master DevOps’ approach to troubleshooting and proven Linux server problem-solving principles
  • Diagnose slow servers and applications by identifying CPU, RAM, and Disk I/O bottlenecks
  • Understand healthy boots, so you can identify failure points and fix them
  • Solve full or corrupt disk issues that prevent disk writes
  • Track down the sources of network problems
  • Troubleshoot DNS, email, and other network services
  • Isolate and diagnose Apache and Nginx Web server failures and slowdowns
  • Solve problems with MySQL and Postgres database servers and queries
  • Identify hardware failures–even notoriously elusive intermittent failures

Biographie de l'auteur

Kyle Rankin, a senior systems administrator and DevOps engineer, is president of the North Bay Linux Users’ Group and is an award-winning columnist for Linux Journal. Rankin speaks frequently on open source software at SCALE, OSCON, Linux World Expo, Penguicon, and many Linux user groups. His other books include The Official Ubuntu Server Book; Knoppix Hacks, Second Edition; Knoppix Pocket Reference; and Linux Multimedia Hacks. He is also coauthor of Ubuntu Hacks.

 


Détails sur le produit

  • Format : Format Kindle
  • Taille du fichier : 8953 KB
  • Nombre de pages de l'édition imprimée : 214 pages
  • Utilisation simultanée de l'appareil : Jusqu'à  appareils simultanés, selon les limites de l'éditeur
  • Editeur : Addison-Wesley Professional; Édition : 1 (9 novembre 2012)
  • Vendu par : Amazon Media EU S.à r.l.
  • Langue : Anglais
  • ASIN: B00A4G7M06
  • Synthèse vocale : Activée
  • X-Ray :
  • Classement des meilleures ventes d'Amazon: n°134.323 dans la Boutique Kindle (Voir le Top 100 dans la Boutique Kindle)
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Amazon.com: 4.7 étoiles sur 5  15 commentaires
3 internautes sur 3 ont trouvé ce commentaire utile 
5.0 étoiles sur 5 Completely worth having in your library 20 mai 2013
Par CollectedReader - Publié sur Amazon.com
Format:Broché
If you have anything to do with Linux then you'd likely get value from having this practical hands-on book. I found that it gave great coverage and clear explanations without any fluff. Its probably not for newbies as there is very little in terms of explanation of general topics. It dives directly into problems/solutions which is perfect for what I was looking for - a reference guide to keep on the shelf that is not boring to read through either. Great job, especially considering that I find that there are few books in this subject area and level.
3 internautes sur 3 ont trouvé ce commentaire utile 
4.0 étoiles sur 5 Really easy technical reading... 10 avril 2013
Par jcpenya - Publié sur Amazon.com
Format:Format Kindle|Achat vérifié
With great details made simple by really helpful examples. I specially enjoyed the chapter about diagnosis of CPU, RAM and Disk I/O.
3 internautes sur 3 ont trouvé ce commentaire utile 
5.0 étoiles sur 5 Excellent tips for anyone working with Linux in prod 27 janvier 2013
Par R. Freiberger - Publié sur Amazon.com
Format:Broché|Achat vérifié
This is the second book by Kyle Rankin that I have read and reviewed, the first being his co-authored Ubuntu Server book. From reading his articles in Linux Journal and other books, I enjoy his more direct questions and answers approach that is different from other Linux books. Instead of digging around the chapter for the command, Kyle Rankin has the steps and example clearly written, making this a very to the point guide. Reading other Linux books, I feel like I get more usable information from this book over larger volumes on the same topic.

From reading DevOps Troubleshooting, I really enjoyed this focus on troubleshooting. Kyle Rankin touched on troubleshooting in the Ubuntu Server book for a chapter, covering many issues but really only so much can be written in a chapter. Glad to see that the demand for this topic lead to a whole book on the topic, especially since troubleshooting is really an art that so many, including myself, need practice on.

The book covers the basics in the beginning about the basics of troubleshooting, how to make smart choices in testing the problem. This will give you a good base of building on your troubleshooting skills, instead of using a shotgun approach to solving problems. Also covers managing communication between teams. If you have ever worked on a critical issue, you know how dreaded it can be to "join the voice bridge", all the while working on the problem.

The chapters cover the general checks of the Linux operating system from reading performance details, using basic tools like top to find why the system is slow. Other topics also covered are boot problems, disk space issues, tracking down problems between two hosts, dns, e-mail basics, web and SQL server basics, and hardware problems. Each chapter includes details on the basics of the technology, then briefing on the tools, then how to check or validate the service is working.

While it sounds like this is a general command guide book, or a summary of man pages, the author also includes details why to use this tool or another, plus describes the path of troubleshooting. Personally, with only a few years of Linux experience I felt that I knew most of the tools mentioned, but the book really helped me use the tools in a much more efficient manner. Also Kyle Rankin describes each tool in detail to get all of the most usable information. I'll admit, I never knew what "wa" stood for in top and now it will be my top values to check on a system.

One of the key points Kyle Rankin mentions in the book is the technology known the least will often be the most blamed problem. I agree 100% on this, and this book really gives no one the excuse to blame another team since they can rule out the issue themselves. Often I've seen DNS blamed endless times for random issues that no one else could explain.

Overall, I really recommend this book to Linux users in production roles where they need to streamline their troubleshooting steps. But this book is also highly recommended for general Linux users as everyone will run into strange issues either at work or home. Personally, I found this book to help my knowledge in the subjects covered and will be sending a recommendation to my team at work to read this. I'm sure that even the more experience users will find new information from the book or at the very least, this will be a good reference book to send new users instead of explaining troubleshooting themselves.

After reading this book, I did have some suggestions, if there was a 2nd edition. While the book focuses on Linux, more so on Debian than Red Hat, I would have liked to see some details on BSD. This is not an entire deal breaker, as BSD is less popular than Linux, and often the commands are not entirely the same. Another suggestion would be more real world examples of trouble shooting a problem. For example, a step by step time line of the problem, how it was reported, solved, and post mortem on what caused the issue. This might be a good read for people new to fast troubleshooting skills and want to understand which tool fits where in the steps.

Besides these minor suggestions, the book is excellent and I'm keeping the hard copy on my desk at work for reference.
2 internautes sur 2 ont trouvé ce commentaire utile 
4.0 étoiles sur 5 So far so good 31 mars 2013
Par A Guy - Publié sur Amazon.com
Format:Format Kindle|Achat vérifié
Devops has been a buzzword for awhile now. My work stands on the operations side of the house and I have been looking to compliment my Linux training with current real world use cases. This book does a decent job of providing some baseline troubleshooting in a way that is neither Development or Operations centric. The author has done a decent job of speaking to both camps further bridging the common divide.

Now if I could just get those developers to see things my way...
2 internautes sur 2 ont trouvé ce commentaire utile 
4.0 étoiles sur 5 Great book; covers many topics 15 février 2013
Par B. Fiedler - Publié sur Amazon.com
Format:Broché|Achat vérifié
This covers many topics and helps give a very useful _brief_ explanation on tools to help (e.g. iostat, sysstat), in addition to explaining how to find extremely high loads reported by 'top' that are caused by disk issues; something I didn't know at all but was encountering a ton at work that puzzled us all.. thanks!

While it covers a broad range of topics, the book itself is pretty short and doesn't go into much detail as I thought it would (those 240 pages go by very fast). I left it at our work library and it is a great reference when someone client is complaining about a random performance issue on their dedicated server that leaves us all puzzled.

Overall, this book is definitely worth reading at least once, but you will probably want/need it as a reference as well :)
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