/opt/flink/bin/flink-daemon.sh

Apache Flink is an open source stream processing framework with powerful stream- and batch-processing capabilities.

From flink-1.20 1.20.5-r4 (enterprise-packages), captured 2026-11-08 by running flink-daemon.sh --help (exit 1). permalink

Unknown daemon ''. Usage: flink-daemon.sh (start|stop|stop-all) (taskexecutor|zookeeper|historyserver|standalonesession|standalonejob|sql-gateway) [args].

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.