Setup Excercise

  • Download and install the Public Signing Key:
    wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -
    
  • Add repository definition:
    sudo apt-get install apt-transport-https
    echo "deb https://artifacts.elastic.co/packages/6.x/apt stable main" | sudo tee -a /etc/apt/sources.list.d/elastic-6.x.list
    
  • Install logstash from repository:
    sudo apt-get update && sudo apt-get install logstash
    
  • Create a manual pipeline for Logstash
      cd /usr/share/logstash
      sudo bin/logstash -e 'input { stdin { } } output { stdout {} }'
    
  • -e: enable specifying configuration directly from the command line
  • stdin: file handle that process reads to get information from you, human
  • stdout: process writes log information to this file handle
  • After pipeline has started
    The stdin plugin is now waiting for input:
    
    type:
    Hello World!
    
    And press enter
  • Expected response:
      2017-06-20T01:22:14.405+0000 ubuntu Hello World!
    
  • Logstash adds a timestamp and hostname to the message we sent
  • To exit Logstash use keyboard combination ctrl-d

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