Installing Log Stash
Official Elastic Site
https://www.elastic.co/guide/en/logstash/current/installing-logstash.html
Installing Logstash | Logstash Reference [7.7] | Elastic
Use the echo method described above to add the Logstash repository. Do not use add-apt-repository as it will add a deb-src entry as well, but we do not provide a source package. If you have added the deb-src entry, you will see an error like the following:
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