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DevOps Troubleshooting: Linux Server Best Practices 1st Edition

by Kyle Rankin (Author)
4.4 4.4 out of 5 stars 91 ratings
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&;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
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Previous page
  1. ISBN-10
    0321832043
  2. ISBN-13
    978-0321832047
  3. Edition
    1st
  4. Publisher
    Addison-Wesley Professional
  5. Publication date
    January 1, 2012
  6. Language
    English
  7. Dimensions
    7 x 0.5 x 9 inches
  8. Print length
    205 pages
  9. See all details
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Editorial Reviews

About the Author

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.

 

Product details

  • Publisher ‏ : ‎ Addison-Wesley Professional; 1st edition (January 1, 2012)
  • Language ‏ : ‎ English
  • Paperback ‏ : ‎ 205 pages
  • ISBN-10 ‏ : ‎ 0321832043
  • ISBN-13 ‏ : ‎ 978-0321832047
  • Item Weight ‏ : ‎ 13.6 ounces
  • Dimensions ‏ : ‎ 7 x 0.5 x 9 inches
  • Customer Reviews:
    4.4 4.4 out of 5 stars 91 ratings

About the author

Follow authors to get new release updates, plus improved recommendations.
Kyle Rankin

Kyle Rankin

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I am a Linux security and infrastructure architect, the author of Linux Hardening in Hostile Networks, DevOps Troubleshooting, The Official Ubuntu Server Book, Ubuntu Hacks, Linux Multimedia Hacks, Knoppix Pocket Reference and Knoppix Hacks among other books, and an award-winning columnist for Linux Journal magazine. I speak frequently on Open Source software including at FOSDEM, BSidesLV, O'Reilly Security Conference, CactusCon, SCaLE, OSCON, Linux World Expo, and Penguicon. You can follow me on mastodon at @kyle@librem.one and twitter @kylerankin.

In my free time I do much of what I do at work--play with Linux and computers in general, although these days a good deal of my free time might also be spent writing. I'm also interested in weaving, antique mechanical calculators, brewing, BBQing, playing the banjo, 3D printing and far too many other hobbies.

Customer reviews

4.4 out of 5 stars
4.4 out of 5
91 global ratings

Top reviews from the United States

Rashard Kelly
5.0 out of 5 stars should be on every desk
Reviewed in the United States on November 24, 2014
Verified Purchase
This is a great book to read through if you have an interview coming up to refresh yourself on topics that simply are not going to come up each day at work. I also love this book because it gives you guidelines to troubleshoot common technologies such as email that you may not get exposure to very often in your role. You can take these examples and sharpen up on any weak points in your toolbox as a sys admin. Amazing book I hope the make an expanded version I will buy it!
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B. Fiedler
4.0 out of 5 stars Great book; covers many topics
Reviewed in the United States on February 15, 2013
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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 :)
4 people found this helpful
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R. Freiberger
5.0 out of 5 stars Excellent tips for anyone working with Linux in prod
Reviewed in the United States on January 27, 2013
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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.
5 people found this helpful
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RJ
5.0 out of 5 stars Learned a ton from this book
Reviewed in the United States on June 26, 2016
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Incredibly useful for troubleshooting linux issues. Even after years as a linux sysadmin I learned a bunch of handy and practical stuff here. I love this style of book, one that shows problems and then how to solve them. A book of linux commands is a good first step to learning linux, even a next level book that talks about how underlying systems are designed is great, but this book took the cake for showing me common issues and best practices / handy tips for resolving them. I'd recommend this book to anyone who admins individual linux machines or someone looking to prep for linux troubleshooting interviews.

FYI, this book is much more "ops" focused then "dev" focused, but I don't think that detracts from it's value at all, just something for folks to expect.
One person found this helpful
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Muhammad Adel
3.0 out of 5 stars Excellent book, the only downside is that it totally ...
Reviewed in the United States on May 13, 2018
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Excellent book, the only downside is that it totally ignores systemd assuming that you will not face it that much ! Maybe at the time of writing the book this was the case, but this point deserves an update from the publishers, and this update was due about two years ago at least.
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Mitch S.
5.0 out of 5 stars Higher Order Troubleshooting Advice
Reviewed in the United States on June 24, 2015
Verified Purchase
I feel as though I wrote this book. Two higher order systems administration troubleshooting concepts jumped out at me. The first is to not rely on Internet (i.e. Google) searches for your primary source for answers. The second is to use dysfunctional systems as a laboratory rat to get to root causes (i.e. don't reboot and be done with it). Rebooting systems is one of the worst things you can do because it destroys a lot of evidence that you would otherwise miss.
2 people found this helpful
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Joshua U.
4.0 out of 5 stars Needs updating for 2020
Reviewed in the United States on December 6, 2020
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This book is great for anyone in support or working with linux based systems/servers. I use it as a reference and study for troubleshooting linux servers/systems. I knocked off a few stars because it really should be updated and include cloud infra troubleshooting for devops/sysops.
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Danny McAllaster
5.0 out of 5 stars Handy book ot have around any Linux box
Reviewed in the United States on February 18, 2013
Verified Purchase
This is a handy book full of practical advice for troubleshooting any problem with your Linux machines. You will always want to keep this book nearby if you run Linux. Linux is pretty stable (especially compared to certain other operating systems), but every now and then, something can happen, or someone will tax it too heavily, and this book will tell you how to figure out what is wrong and get it fixed.
One person found this helpful
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Ajay Kumar Kommaraju
5.0 out of 5 stars One amazing book for Linux
Reviewed in India on July 9, 2018
Verified Purchase
This book provides knowledge on how to troubleshoot almost every scenario you will face as a sysadmin. It is just 200 pages and you can finish this in two days if not less ,but you will gain years of troubleshooting knowledge. So your money well spent.

Hope author writes some more books and Linux ..
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Chanely Marques
5.0 out of 5 stars good book!
Reviewed in Brazil on October 21, 2014
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If you started now to Linux or if you know it for years, its a powerfull reading! Enjoy the book
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Uwe Degenhardt
5.0 out of 5 stars Ein must-have für Sys-Admins oder welche, die es werden wollen.
Reviewed in Germany on August 5, 2013
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Ein sehr gutes Buch! Für Praktiker und/oder Systemadministratoren bestens geeignet. Man merkt, dass der Autor weiss wovon er spricht. :-)
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Daniel Bryant
5.0 out of 5 stars An excellent introduction/reminder for adminstrating Linux boxes in the 'DevOps' age...
Reviewed in the United Kingdom on March 30, 2013
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In a nutshell: This is an amazing book for a developer or junior sysadmin who wants bite-sized and extremely focused recommendations for administrating a Linux box and the applications that are running on it.

I'm primarily a Java developer, and working as a contractor in small startup companies I often have to work across the entire stack from instance/OS administration right though to creation of web-based UIs. The term 'DevOps' is obviously getting a lot of attention in the computing/development press, and the type of companies I work for are increasingly expecting this to be a skill I should have (even if they don't know exactly what DevOps encompasses!).

I needed to improve my DevOps skills fast, and coming at this from a developer's point-of-view the primary skills I need to learn are the Ops-based System Administration (sysadmin) tasks - this book meets that requirement exactly. The book is small, but don't take this as a negative - it is highly focused, and contains a wealth of knowledge. I managed to devour the contents over a day, mainly by reading a chapter, taking a pause to experiment with my new-found knowledge and commands using a Linux-based box, and then dipping back into the book if I got stuck.

A particular use case that this book matches perfectly is the new wave of developers deploying to the Cloud. Over the past few years I am increasingly deploying a client's app to Cloud-based infrastructure such as AWS (EC2, RDS etc), and the rules of engagement are quite different here in comparison to when deploying to in-house boxes. I've lost count of the amount of time I've thrown away trying to figure out performance problems with Cloud apps - is the app poorly designed, or am I IO/Compute/network bound? The skills you'll acquire from this book will help considerably here (for example, I didn't know about the sar command, which is *extremely* useful for monitoring resources over time!)

If you're coming from a similar background to me and are looking for a good package of Linux sysadmin knowledge then in addition to this book I would recommend the  Linux Pocket Guide  for day-to-day reference (I always keep this book close by, and it helps greatly when I'm struggling to remember the netstat syntax or vim shortcuts) and the  Pro Linux System Administration (Expert's Voice in Open Source)  for the complete 'weighty-tome' reference.

If you're coming from a developer background and are looking to break into the murky world of DevOps then I strongly recommend this book as a starting point - the author has clearly thought about the goals of this book and has done a great job in meeting them!
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amit
4.0 out of 5 stars Four Stars
Reviewed in the United Kingdom on November 27, 2017
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concise guide on trouble shooting
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