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QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running QNX Neutrino 7.1.
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H
hamctrl
Control a high-availability manager

QNX Momentics IDE User's Guide
This User's Guide describes version 7.1 of the Integrated Development Environment (IDE) that's part of the QNX Momentics tool suite.
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QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running QNX Neutrino 7.1.
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      - ham
        High-availability manager
      - hamctrl
        Control a high-availability manager
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        Display files in decimal, hex, octal, or ASCII (UNIX)
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        Copy the first part of files (POSIX)
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        Display information about human-interface devices
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Typographical Conventions, Support, and Licensing
This section describes the typographical conventions used throughout the documentation and explains how to obtain technical support.

hamctrl

Control a high-availability manager

Note:

You must be logged in as root to start this utility.

Syntax:

hamctrl [+heartbeat] [-heartbeat] [=heartbeat] [-node node_name] [-stop] 
        [+|-verbose] [=verbose]

Runs on:

QNX Neutrino

Options:

-node node_name: Control the high-availability manager (HAM) on the specifed node.
-stop: Stop the HAM.
+|-verbose: Increase or decrease the HAM's verbosity.
=verbose: Get the HAM's current verbosity.

Description:

You can use the hamctrl utility to control or stop a high-availability manager, ham.

Page updated: March 12, 2026