Problems starting logstash


I'm exploring logstash to solve some of our logging-related problems but ran into a weird issue:

  1. I installed logstash onto Ubuntu 16.04.2 LTS via APT (, installation was successful.
    Then I tried to run it with bin/logstash --log.level debug --config.debug
    No output in terminal, /var/log/logstash is empty

  2. I thought I'm having an environment issue, tried logstash image from dockerhub (, ran it with -it flag, again no output in terminal

  3. Realized that dockerhub image is deprecated, tried
    a) ran it with -it flag, no output in terminal
    b) ran it with -d flag: docker logs is empty. Logged into container, could not find any logs (evidence that logstash started) in /var/log/ neither in /usr/share/logstash/

What am I doing wrong?

Thanks in advance!

A long shot, but does this issue help?

That's it. Thanks. got it running!

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