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OpenStack Essentials. - Second Edition

You're reading from  OpenStack Essentials. - Second Edition

Product type Book
Published in Aug 2016
Publisher Packt
ISBN-13 9781786462664
Pages 182 pages
Edition 2nd Edition
Languages
Author (1):
Dan Radez Dan Radez
Profile icon Dan Radez

Table of Contents (20) Chapters

OpenStack Essentials Second Edition
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
1. RDO Installation 2. Identity Management 3. Image Management 4. Network Management 5. Instance Management 6. Block Storage 7. Object Storage 8. Telemetry 9. Orchestration 10. Docker 11. Scaling Horizontally 12. Monitoring 13. Troubleshooting Index

Installing Nagios


Nagios is an open source monitoring tool that is well known and widely accepted by system administrators. There are other OpenSource options available as well, such as Zabbix or Sensu. We won't be able to get into those here. Just know that they are available and can help your monitoring needs.

There are plans in the works for monitoring installation to be added to a Triple-O deployment. Keep watch on the community for progress that is made on this. For now, we will install Nagios and look at what configurations can be dropped in to monitor an OpenStack installation. Start by installing Nagios, setting it to start on boot and starting the service:

undercloud# sudo yum install nagios nagios-plugins-all nagios-plugins-nrpe -y
undercloud# sudo chkconfig nagios on
undercloud# sudo systemctl start nagios

When nagios is installed, it adds configuration to Apache to serve a web page for you to see the status. Open http://192.0.2.1/nagios/ in a web browser. The default username...

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