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Install and manage the HAVEGE daemon.


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Version information

  • 0.14.0 (latest)
  • 0.13.0
  • 0.12.0
  • 0.10.0
  • 0.9.1
  • 0.9.0
  • 0.8.0
  • 0.7.1
  • 0.7.0
  • 0.6.0
  • 0.5.0
  • 0.4.6
  • 0.4.5
  • 0.4.4
  • 0.4.3
  • 0.4.1
  • 0.4.0
  • 0.3.2
released May 20th 2024
This version is compatible with:
  • Puppet Enterprise 2023.7.x, 2023.6.x, 2023.5.x, 2023.4.x, 2023.3.x, 2023.2.x, 2023.1.x, 2023.0.x, 2021.7.x, 2021.6.x, 2021.5.x, 2021.4.x, 2021.3.x, 2021.2.x, 2021.1.x, 2021.0.x
  • Puppet >= 7.0.0 < 9.0.0
  • , , , , ,

Start using this module

  • r10k or Code Manager
  • Bolt
  • Manual installation
  • Direct download

Add this module to your Puppetfile:

mod 'simp-haveged', '0.14.0'
Learn more about managing modules with a Puppetfile

Add this module to your Bolt project:

bolt module add simp-haveged
Learn more about using this module with an existing project

Manually install this module globally with Puppet module tool:

puppet module install simp-haveged --version 0.14.0

Direct download is not typically how you would use a Puppet module to manage your infrastructure, but you may want to download the module in order to inspect the code.



simp/haveged — version 0.14.0 May 20th 2024

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Table of Contents


Install and manage the HAVEGE daemon, haveged.

By default, the module will configure, but not enable haveged if rngd is running on the target system. While there is generally no harm in running two entropy generators, it is not necessary and adds to the overall system load.

If you want to force haveged to run, set haveged::service::force_if_rngd_running: true in Hiera.

Only systemd-based systems are supported at this time.

Module Description

The HAVEGE daemon provides a random number generator based on the HAVEGE (HArdware Volatile Entropy Gathering and Expansion) algorithm. This module provides a way of installing and setting up the daemon in your environment.


Setup Requirements

The haveged package is part of the EPEL yum repository, so this repository must be enabled on Enterprise Linux to be able to install the package.

Beginning with haveged

Declare the haveged class to run the haveged daemon with the default parameters.

include 'haveged'

This installs the haveged package and starts the service using default parameters.

See the following sections for a detailed description of the available configuration options.


Use a higher threshold of available entropy

haveged::write_wakeup_threshold: 2048


See for additional API documentation.


This module provides the following facts.

Fact: haveged_startup_provider

The startup system used on the node. The implementation uses the process name of PID 1 to resolve the fact. The value is either systemd or init.

Fact: haveged__rhgd_enabled

Returns true or false depending on whether or not rngd is enabled on the target system.


Feel free to send pull requests for new features and other operating systems.