Elasticsearch 7 and Elastic Stack - In Depth and Hands On! - Running Logstash

The video tutorial guides viewers through running Logstash on Ubuntu, configuring it to process Apache access logs, and sending the data to Elasticsearch. It covers executing Logstash, monitoring its output, troubleshooting errors, and reviewing the resulting Elasticsearch index. The tutorial emphasizes the importance of configuration files and provides step-by-step instructions for each process.

What is the first step to run Logstash on Ubuntu?

• Navigate to the home directory

• CD into the Logstash installation directory

• Open the Logstash configuration file

• Start the Elasticsearch server

Which command is used to run Logstash with a configuration file?

• run logstash

• execute logstash -c

• sudo bin/logstash -f

• logstash start

What should you do if you encounter error messages while running Logstash?

• Ignore them and continue

• Restart the computer

• Reinstall Logstash

• Check the configuration file for typos

What does Logstash do with the log data before sending it to Elasticsearch?

• Deletes it

• Encrypts it

• Compresses it

• Parses and formats it

How can you verify that Logstash has successfully inserted data into Elasticsearch?

• By checking the Logstash configuration file

• By checking the system logs

• By querying the Elasticsearch index

• By restarting Logstash

What command is used to list all indices in Elasticsearch?

• list indices

• show all indices

• curl -X GET /_cat/indices?v

• elasticsearch indices list

What information can be found in the Elasticsearch index created by Logstash?

• Only the log file path

• Only the response code

• Client IP, message, timestamp, and response code

• Only the timestamp