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Mastering OpenStack

You're reading from   Mastering OpenStack Design, deploy, and manage a scalable OpenStack infrastructure

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Product type Paperback
Published in Jul 2015
Publisher
ISBN-13 9781784395643
Length 400 pages
Edition 1st Edition
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Author (1):
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Omar Khedher Omar Khedher
Author Profile Icon Omar Khedher
Omar Khedher
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Table of Contents (13) Chapters Close

Preface 1. Designing OpenStack Cloud Architecture 2. Deploying OpenStack – DevOps and OpenStack Dual Deal FREE CHAPTER 3. Learning OpenStack Clustering – Cloud Controllers and Compute Nodes 4. Learning OpenStack Storage – Deploying the Hybrid Storage Model 5. Implementing OpenStack Networking and Security 6. OpenStack HA and Failover 7. OpenStack Multinode Deployment – Bringing in Production 8. Extending OpenStack – Advanced Networking Features and Deploying Multi-tier Applications 9. Monitoring OpenStack – Ceilometer and Zabbix 10. Keeping Track for Logs – Centralizing Logs with Logstash 11. Tuning OpenStack Performance – Advanced Configuration Index

Tackling logging

Tackling logging is a painful but crucial process. This is what many system administrators and developers claim when they start debugging an error by consulting a huge log file. Depending on the system that you are trying to fix, cutting down on the troubleshooting time is valid if you do not know where the OpenStack logs are stored and how they are organized.

Demystifying logs in OpenStack

Most probably, you have installed a version of OpenStack that was released prior to the Grizzly or Havana releases. You might be tempted to start looking for logs in the default location in the Linux system, /var/log. Eventually, their locations may vary depending on how you deployed OpenStack. Since you deployed your first OpenStack infrastructure using Chef, you can check or modify the location of the logs by service in each attribute file that corresponds to its respective OpenStack service. For example, you can have a look at the Chef openstack-compute cookbook that was used in Chapter...

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