How To Use Logstash and Kibana To Centralize Logs On Ubuntu 14.04

How To Use Logstash and Kibana To Centralize Logs On Ubuntu 14.04

How To Use Logstash and Kibana To Centralize Logs On Ubuntu 14.04

Centralizing logs can be incredibly helpful for troubleshooting and monitoring purposes. Logstash and Kibana are two powerful tools that can be used together to centralize logs and create meaningful visualizations.

Prerequisites

  • Ubuntu 14.04
  • Java 8 or later
  • Elasticsearch installed and running

Step 1: Install Logstash

Logstash can be installed using the following commands:

		wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -
		echo "deb https://artifacts.elastic.co/packages/5.x/apt stable main" | sudo tee -a /etc/apt/sources.list.d/elastic-5.x.list
		sudo apt-get update && sudo apt-get install logstash

Step 2: Configure Logstash

The Logstash configuration file can be found at /etc/logstash/conf.d/. You can create a new configuration file by creating a new .conf file in this directory. Here's an example configuration file:

		input {
			file {
				path => "/var/log/syslog"
			}
		}
		output {
			elasticsearch {
				hosts => ["localhost:9200"]
				index => "syslog-%{+YYYY.MM.dd}"
			}
		}

Step 3: Start Logstash

Logstash can be started using the following command:

		sudo service logstash start

Step 4: Install Kibana

Kibana can be installed using the following commands:

		echo "deb http://packages.elasticsearch.org/kibana/4.1/debian stable main" | sudo tee -a /etc/apt/sources.list
		sudo apt-get update && sudo apt-get install kibana

Step 5: Configure Kibana

The Kibana configuration file can be found at /opt/kibana/config/kibana.yml. Here are some example configurations:

		server.port: 5601
		server.host: "localhost"
		elasticsearch.url: "http://localhost:9200"

Step 6: Start Kibana

Kibana can be started using the following command:

		sudo service kibana start

Step 7: Access Kibana

You can access Kibana by going to http://localhost:5601 in your web browser.

Conclusion

By following these steps, you should now have Logstash and Kibana up and running on your Ubuntu 14.04 server. You can now

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