
Monitoring Docker
Beschreibung
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- Learn how to implement third-party tools such as Datalog, cAdvisor, and more with this example-rich, hands-on guide
- Learn how to efficiently monitor Docker containers and get an edge over other administrators while maintaining apps on these containers
Book DescriptionThis book will show you how monitoring containers and keeping a keen eye on the working of applications helps improve the overall performance of the applications that run on Docker. With the increased adoption of Docker containers, the need to monitor which containers are running, what resources they are consuming, and how these factors affect the overall performance of the system has become the need of the moment. This book covers monitoring containers using Docker's native monitoring functions, various plugins, as well as third-party tools that help in monitoring. Well start with how to obtain detailed stats for active containers, resources consumed, and container behavior. We also show you how to use these stats to improve the overall performance of the system. Next, you will learn how to use SysDig to both view your containers performance metrics in real time and record sessions to query later. By the end of this book, you will have a complete knowledge of how to implement monitoring for your containerized applications and make the most of the metrics you are collecting What you will learn - Discover the tools built into Docker to gain an insight into your containers' performance
- Augment Docker's built-in tools with modern tools such as cAdvisor from Google, SysDig by Draios, and Soundcloud's Prometheus
- Integrate the monitoring of your containers with more traditional monitoring solutions such as Zabbix
- Take advantage of the various SaaS offerings from third parties to move monitoring away from your local infrastructure and into the cloud
- Discover the various ways to ship your applications' logs from the container to a central logging service
- Get the most out of your application and resources with the right implementation of your monitoring method
Who this book is forThis book is for DevOps engineers and system administrators who manage Docker containers and want to better manage these containers using expert techniques and methods and better maintain applications built on Docker.
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Person
Russ McKendrick is an experienced DevOps practitioner and system administrator with a passion for automation and containers. He has been working in IT and related industries for the better part of 30 years. During his career, he has had responsibilities in many different sectors, including first-line, second-line, and senior support in client-facing and internal teams for small and large organizations. He works almost exclusively with Linux, using open source systems and tools across dedicated hardware and virtual machines hosted in public and private clouds at Node4, where he holds the title of practice manager (SRE and DevOps). He also buys way too many records!
Inhalt
- Cover
- Copyright
- Credits
- About the Author
- About the Reviewer
- www.PacktPub.com
- Table of Contents
- Preface
- Chapter 1: Introduction to Docker Monitoring
- Pets, Cattle, Chickens, and Snowflakes
- Pets
- Cattle
- Chickens
- Snowflakes
- So what does this all mean?
- Docker
- Launching a local environment
- Cloning the environment
- Running a virtual server
- Halting the virtual server
- Summary
- Chapter 2 : Using the Built-in Tools
- Docker stats
- Running Docker stats
- What just happened?
- What about processes?
- Docker top
- Docker exec
- Summary
- Chapter 3 : Advanced Container Resource Analysis
- What is cAdvisor?
- Running cAdvisor using a container
- Compiling cAdvisor from source
- Collecting metrics
- The Web interface
- Overview
- Processes
- CPU
- Memory
- Network
- Filesystem
- Viewing container stats
- Subcontainers
- Driver status
- Images
- This is all great, what's the catch?
- Prometheus
- Launching Prometheus
- Querying Prometheus
- Dashboard
- The next steps
- Alternatives?
- Summary
- Chapter 4 : A Traditional Approach to Monitoring Containers
- Zabbix
- Installing Zabbix
- Using containers
- Using vagrant
- Preparing our host machine
- The Zabbix web interface
- Docker metrics
- Create custom graphs
- Compare containers to your host machine
- Triggers
- Summary
- Chapter 5 : Querying with Sysdig
- What is Sysdig?
- Installing Sysdig
- Using Sysdig
- The basics
- Capturing data
- Containers
- Further reading
- Using Csysdig
- Summary
- Chapter 6 : Exploring Third Party Options
- A word about externally hosted services
- Deploying Docker in the cloud
- Why use a SaaS service?
- Sysdig Cloud
- Installing the agent
- Exploring your containers
- Summary and further reading
- Datadog
- Installing the agent
- Exploring the web interface
- Summary and further reading
- New Relic
- Installing the agent
- Exploring the web interface
- Summary and further reading
- Summary
- Chapter 7 : Collecting Application Logs from within the Container
- Viewing container logs
- ELK Stack
- Starting the stack
- Logspout
- Reviewing the logs
- What about production?
- Looking at third party options
- Summary
- Chapter 8 : What Are the Next Steps?
- Some scenarios
- Pets, Cattle, Chickens, and Snowflakes
- Pets
- Cattle
- Chickens
- Snowflakes
- Scenario one
- Scenario two
- Scenario three
- A little more about alerting
- Chickens
- Cattle and Pets
- Sending alerts
- Keeping up
- Summary
- Index
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Dateiformat: PDF
Kopierschutz: Adobe-DRM (Digital Rights Management)
Systemvoraussetzungen:
- Computer (Windows; MacOS X; Linux): Installieren Sie bereits vor dem Download die kostenlose Software Adobe Digital Editions (siehe E-Book Hilfe).
- Tablet/Smartphone (Android; iOS): Installieren Sie bereits vor dem Download die kostenlose App Adobe Digital Editions oder die App PocketBook (siehe E-Book Hilfe).
- E-Book-Reader: Bookeen, Kobo, Pocketbook, Sony, Tolino u.v.a.m. (nicht Kindle)
Das Dateiformat PDF zeigt auf jeder Hardware eine Buchseite stets identisch an. Daher ist eine PDF auch für ein komplexes Layout geeignet, wie es bei Lehr- und Fachbüchern verwendet wird (Bilder, Tabellen, Spalten, Fußnoten). Bei kleinen Displays von E-Readern oder Smartphones sind PDF leider eher nervig, weil zu viel Scrollen notwendig ist.
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Bitte beachten Sie: Wir empfehlen Ihnen unbedingt nach Installation der Lese-Software diese mit Ihrer persönlichen Adobe-ID zu autorisieren!
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