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Mastering Elastic Stack

You're reading from   Mastering Elastic Stack Dive into data analysis with a pursuit of mastering ELK Stack on real-world scenarios.

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Product type Paperback
Published in Feb 2017
Publisher Packt
ISBN-13 9781786460011
Length 526 pages
Edition 1st Edition
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Authors (2):
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Ravi Kumar Gupta Ravi Kumar Gupta
Author Profile Icon Ravi Kumar Gupta
Ravi Kumar Gupta
Yuvraj Gupta Yuvraj Gupta
Author Profile Icon Yuvraj Gupta
Yuvraj Gupta
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Toc

Table of Contents (13) Chapters Close

Preface 1. Elastic Stack Overview FREE CHAPTER 2. Stepping into Elasticsearch 3. Exploring Logstash and Its Plugins 4. Kibana Interface 5. Using Beats 6. Elastic Stack in Action 7. Customizing Elastic Stack 8. Elasticsearch APIs 9. X-Pack: Security and Monitoring 10. X-Pack: Alerting, Graph, and Reporting 11. Best Practices 12. Case Study-Meetup

Alerting using Logstash e-mail capability

Alerting is a key aspect of analytics. You cannot continuously monitor logs or any other stats 24x7, and you need to be alerted when some specific event happens. For example, if there is any error occurring in logs, you would always want to be notified of it. Nobody can tolerate an error on a production server.

Let's use the e-mail capability of Logstash for e-mail notifications whenever some errors occur. For this, we will use e-mail output plugin of logstash. This plugin is not part of logstash packaging, but we can install it using:

bin/logstash-plugin install logstash-output-email

Once the plugin is installed, we can use it in the output section. Add the following configuration to the output section to configure your Gmail account to send an e-mail:

if [level] == "ERROR" { 
  email { 
    address => "smtp.gmail.com" 
    port => "587" 
    username => "mes.packt" 
    password => "&lt...
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