Download Flink and go to Flink directory
$ ./bin/start-local.sh # Start Flink localCheck the JobManager’s web frontend at http://localhost:8081
$ tail log/flink-*-jobmanager-*.log # check runing with loghttp://data-flair.training/blogs/create-run-first-apache-flink-application-java-eclipse/
http://10minbasics.com/apache-flink-hello-world-java-example/
bin/flink run --class wordcount.WordCount /home/myubuntu/Downloads/WordCount.jar --input file:///home/myubuntu/Downloads/testdoc.txt --output file:///home/myubuntu/Downloads/testdoc_output.txt https://ci.apache.org/projects/flink/flink-docs-release-1.2/quickstart/setup_quickstart.html
bin/flink run --class wordcount.SocketWordCount /home/myubuntu/Downloads/WordCount.jar --port 9000