Pam rd jackd rivendell daemons - Revision history

Admin: /* Rivendell Daemons, JACK Audio System, and PAM Integration */

2026-07-02T16:32:14Z

Rivendell Daemons, JACK Audio System, and PAM Integration

← Older revision		Revision as of 11:32, 2 July 2026
Line 133:		Line 133:
	* '''jackd''' provides the low-latency audio infrastructure used for recording, playback, and audio routing.		* '''jackd''' provides the low-latency audio infrastructure used for recording, playback, and audio routing.

	Together, these components provide a secure, multi-user broadcast automation platform capable of professional radio playout and recording workflows.		Together, these components provide a secure, multi-user broadcast automation platform capable of professional radio playout and recording workflows.
	~~```~~

Admin: /* Rivendell Daemons, JACK Audio System, and PAM Integration */

2026-07-02T16:31:18Z

Rivendell Daemons, JACK Audio System, and PAM Integration

Admin: Created page with "```mediawiki = Rivendell Daemons, JACK Audio System, and PAM Integration = In a Rivendell radio automation environment, the '''Rivendell daemons''', the '''JACK Audio Connection Kit (jackd)''', and the '''pam_rd PAM module''' work together to provide user authentication, audio routing, scheduling, recording, and playout services. Rivendell supports JACK as an audio driver and includes PAM integration for multi-user authentication. 【1-ef4425】【2-3e5dbb】 == JACK A..."

2026-07-02T16:29:05Z

Created page with "```mediawiki = Rivendell Daemons, JACK Audio System, and PAM Integration = In a Rivendell radio automation environment, the '''Rivendell daemons''', the '''JACK Audio Connection Kit (jackd)''', and the '''pam_rd PAM module''' work together to provide user authentication, audio routing, scheduling, recording, and playout services. Rivendell supports JACK as an audio driver and includes PAM integration for multi-user authentication. 【1-ef4425】【2-3e5dbb】 == JACK A..."

New page

```mediawiki
= Rivendell Daemons, JACK Audio System, and PAM Integration =

In a Rivendell radio automation environment, the '''Rivendell daemons''', the '''JACK Audio Connection Kit (jackd)''', and the '''pam_rd PAM module''' work together to provide user authentication, audio routing, scheduling, recording, and playout services. Rivendell supports JACK as an audio driver and includes PAM integration for multi-user authentication. 【1-ef4425】【2-3e5dbb】

== JACK Audio System (jackd) ==

JACK (Jack Audio Connection Kit) is a low-latency audio server that provides a centralized audio routing layer between Rivendell applications and physical audio hardware. Rivendell can use JACK as its primary audio driver. 【2-3e5dbb】

=== Functions of JACK ===

* Manages audio interfaces and sound devices. 【2-3e5dbb】
* Provides low-latency audio transport between applications. 【2-3e5dbb】
* Creates virtual audio ports that applications can connect to. 【2-3e5dbb】
* Allows multiple applications to share and route audio streams without direct hardware access. 【2-3e5dbb】

=== JACK Workflow ===

<pre>
Audio Source
│
▼
jackd
│
▼
Rivendell Application
│
▼
Audio Output Device
</pre>

For example, audio recorded by RDCatch can be routed through JACK to storage, while audio played by RDAirPlay can be routed through JACK to a broadcast console or transmitter chain. 【1-ef4425】【2-3e5dbb】

== Rivendell Daemons ==

Rivendell relies on several background processes (daemons) that provide automation and control services. These daemons run continuously and support the various Rivendell applications. 【1-ef4425】

=== rdcatchd ===

The '''rdcatchd''' daemon is responsible for:

* Managing scheduled recordings. 【1-ef4425】
* Executing automated recording events. 【1-ef4425】
* Receiving audio through configured audio drivers such as JACK. 【1-ef4425】【2-3e5dbb】

=== ripcd ===

The '''ripcd''' daemon provides Rivendell interprocess communications and automation services.

Functions include:

* Communication between Rivendell applications. 【1-ef4425】【3-1ff375】
* GPIO and automation event handling. 【3-1ff375】
* Coordination of system-wide control messages. 【3-1ff375】

=== Other Rivendell Applications ===

Applications that interact with these services include:

* RDAirPlay (On-air playout) 【1-ef4425】
* RDPanel (Cart wall application) 【1-ef4425】
* RDLibrary (Audio library management) 【1-ef4425】
* RDLogManager (Log generation and scheduling) 【1-ef4425】

These applications communicate with Rivendell services while using JACK for audio transport. 【1-ef4425】【2-3e5dbb】

== PAM Integration (pam_rd) ==

Rivendell includes a PAM (Pluggable Authentication Module) component called '''pam_rd'''. Documentation for this component is distributed as ''pam_rd.txt'' and provides support for authentication and multi-user environments. 【3-1ff375】【1-ef4425】

=== Purpose of pam_rd ===

The pam_rd module enables:

* User authentication through the Linux PAM framework. 【3-1ff375】【1-ef4425】
* Multi-user workstation support. 【3-1ff375】
* Integration between Linux authentication and Rivendell user management. 【1-ef4425】【3-1ff375】
* Access control for Rivendell applications and services. 【3-1ff375】

=== Authentication Process ===

<pre>
User Login
│
▼
Linux PAM Framework
│
▼
pam_rd
│
▼
Rivendell User Authorization
│
▼
Access Granted / Denied
</pre>

When a user launches a Rivendell application or logs into a Rivendell workstation, the PAM framework invokes pam_rd to validate credentials and determine authorization for Rivendell resources. 【3-1ff375】【1-ef4425】

== Relationship Between Daemons, JACK, and PAM ==

The components work together as follows:

<pre>
Operator
│
▼
PAM / pam_rd
│
▼
Rivendell Applications
│
▼
Rivendell Daemons
│
▼
JACK (jackd)
│
▼
Audio Hardware
</pre>

* '''pam_rd''' authenticates and authorizes users. 【3-1ff375】【1-ef4425】
* '''Rivendell daemons''' perform automation, scheduling, recording, and system coordination tasks. 【1-ef4425】
* '''jackd''' transports audio between Rivendell applications and audio devices with low latency. 【2-3e5dbb】

== Summary ==

In a Rivendell installation:

* '''pam_rd''' determines who can access the system. 【3-1ff375】【1-ef4425】
* '''Rivendell daemons''' manage broadcast automation functions and interprocess communications. 【1-ef4425】【3-1ff375】
* '''jackd''' provides the low-latency audio infrastructure used for recording, playback, and audio routing. 【2-3e5dbb】

Together, these components provide a secure, multi-user broadcast automation platform capable of professional radio playout and recording workflows. 【1-ef4425】【3-1ff375】【2-3e5dbb】
```

← Older revision		Revision as of 11:31, 2 July 2026
Line 2:		Line 2:
	= Rivendell Daemons, JACK Audio System, and PAM Integration =		= Rivendell Daemons, JACK Audio System, and PAM Integration =

	In a Rivendell radio automation environment, the '''Rivendell daemons''', the '''JACK Audio Connection Kit (jackd)''', and the '''pam_rd PAM module''' work together to provide user authentication, audio routing, scheduling, recording, and playout services. Rivendell supports JACK as an audio driver and includes PAM integration for multi-user authentication. ~~【1-ef4425】【2-3e5dbb】~~		In a Rivendell radio automation environment, the '''Rivendell daemons''', the '''JACK Audio Connection Kit (jackd)''', and the '''pam_rd PAM module''' work together to provide user authentication, audio routing, scheduling, recording, and playout services. Rivendell supports JACK as an audio driver and includes PAM integration for multi-user authentication.

	== JACK Audio System (jackd) ==		== JACK Audio System (jackd) ==

	JACK (Jack Audio Connection Kit) is a low-latency audio server that provides a centralized audio routing layer between Rivendell applications and physical audio hardware. Rivendell can use JACK as its primary audio driver. ~~【2-3e5dbb】~~		JACK (Jack Audio Connection Kit) is a low-latency audio server that provides a centralized audio routing layer between Rivendell applications and physical audio hardware. Rivendell can use JACK as its primary audio driver.

	=== Functions of JACK ===		=== Functions of JACK ===

	* Manages audio interfaces and sound devices. ~~【2-3e5dbb】~~		* Manages audio interfaces and sound devices.
	* Provides low-latency audio transport between applications. ~~【2-3e5dbb】~~		* Provides low-latency audio transport between applications.
	* Creates virtual audio ports that applications can connect to. ~~【2-3e5dbb】~~		* Creates virtual audio ports that applications can connect to.
	* Allows multiple applications to share and route audio streams without direct hardware access. ~~【2-3e5dbb】~~		* Allows multiple applications to share and route audio streams without direct hardware access.

	=== JACK Workflow ===		=== JACK Workflow ===
Line 30:		Line 30:
	</pre>		</pre>

	For example, audio recorded by RDCatch can be routed through JACK to storage, while audio played by RDAirPlay can be routed through JACK to a broadcast console or transmitter chain. ~~【1-ef4425】【2-3e5dbb】~~		For example, audio recorded by RDCatch can be routed through JACK to storage, while audio played by RDAirPlay can be routed through JACK to a broadcast console or transmitter chain.

	== Rivendell Daemons ==		== Rivendell Daemons ==

	Rivendell relies on several background processes (daemons) that provide automation and control services. These daemons run continuously and support the various Rivendell applications. ~~【1-ef4425】~~		Rivendell relies on several background processes (daemons) that provide automation and control services. These daemons run continuously and support the various Rivendell applications.

	=== rdcatchd ===		=== rdcatchd ===
Line 40:		Line 40:
	The '''rdcatchd''' daemon is responsible for:		The '''rdcatchd''' daemon is responsible for:

	* Managing scheduled recordings. ~~【1-ef4425】~~		* Managing scheduled recordings.
	* Executing automated recording events. ~~【1-ef4425】~~		* Executing automated recording events.
	* Receiving audio through configured audio drivers such as JACK. ~~【1-ef4425】【2-3e5dbb】~~		* Receiving audio through configured audio drivers such as JACK.

	=== ripcd ===		=== ripcd ===
Line 50:		Line 50:
	Functions include:		Functions include:

	* Communication between Rivendell applications. ~~【1-ef4425】【3-1ff375】~~		* Communication between Rivendell applications.
	* GPIO and automation event handling. ~~【3-1ff375】~~		* GPIO and automation event handling.
	* Coordination of system-wide control messages. ~~【3-1ff375】~~		* Coordination of system-wide control messages.

	=== Other Rivendell Applications ===		=== Other Rivendell Applications ===
Line 58:		Line 58:
	Applications that interact with these services include:		Applications that interact with these services include:

	* RDAirPlay (On-air playout) ~~【1-ef4425】~~		* RDAirPlay (On-air playout)
	* RDPanel (Cart wall application) ~~【1-ef4425】~~		* RDPanel (Cart wall application)
	* RDLibrary (Audio library management) ~~【1-ef4425】~~		* RDLibrary (Audio library management)
	* RDLogManager (Log generation and scheduling) ~~【1-ef4425】~~		* RDLogManager (Log generation and scheduling)

	These applications communicate with Rivendell services while using JACK for audio transport. ~~【1-ef4425】【2-3e5dbb】~~		These applications communicate with Rivendell services while using JACK for audio transport.

	== PAM Integration (pam_rd) ==		== PAM Integration (pam_rd) ==

	Rivendell includes a PAM (Pluggable Authentication Module) component called '''pam_rd'''. Documentation for this component is distributed as ''pam_rd.txt'' and provides support for authentication and multi-user environments. ~~【3-1ff375】【1-ef4425】~~		Rivendell includes a PAM (Pluggable Authentication Module) component called '''pam_rd'''. Documentation for this component is distributed as ''pam_rd.txt'' and provides support for authentication and multi-user environments.

	=== Purpose of pam_rd ===		=== Purpose of pam_rd ===
Line 73:		Line 73:
	The pam_rd module enables:		The pam_rd module enables:

	* User authentication through the Linux PAM framework. ~~【3-1ff375】【1-ef4425】~~		* User authentication through the Linux PAM framework.
	* Multi-user workstation support. ~~【3-1ff375】~~		* Multi-user workstation support.
	* Integration between Linux authentication and Rivendell user management. ~~【1-ef4425】【3-1ff375】~~		* Integration between Linux authentication and Rivendell user management.
	* Access control for Rivendell applications and services. ~~【3-1ff375】~~		* Access control for Rivendell applications and services.

	=== Authentication Process ===		=== Authentication Process ===
Line 96:		Line 96:
	</pre>		</pre>

	When a user launches a Rivendell application or logs into a Rivendell workstation, the PAM framework invokes pam_rd to validate credentials and determine authorization for Rivendell resources. ~~【3-1ff375】【1-ef4425】~~		When a user launches a Rivendell application or logs into a Rivendell workstation, the PAM framework invokes pam_rd to validate credentials and determine authorization for Rivendell resources.

	== Relationship Between Daemons, JACK, and PAM ==		== Relationship Between Daemons, JACK, and PAM ==
Line 121:		Line 121:
	</pre>		</pre>

	* '''pam_rd''' authenticates and authorizes users. ~~【3-1ff375】【1-ef4425】~~		* '''pam_rd''' authenticates and authorizes users.
	* '''Rivendell daemons''' perform automation, scheduling, recording, and system coordination tasks. ~~【1-ef4425】~~		* '''Rivendell daemons''' perform automation, scheduling, recording, and system coordination tasks.
	* '''jackd''' transports audio between Rivendell applications and audio devices with low latency. ~~【2-3e5dbb】~~		* '''jackd''' transports audio between Rivendell applications and audio devices with low latency.

	== Summary ==		== Summary ==
Line 129:		Line 129:
	In a Rivendell installation:		In a Rivendell installation:

	* '''pam_rd''' determines who can access the system. ~~【3-1ff375】【1-ef4425】~~		* '''pam_rd''' determines who can access the system.
	* '''Rivendell daemons''' manage broadcast automation functions and interprocess communications. ~~【1-ef4425】【3-1ff375】~~		* '''Rivendell daemons''' manage broadcast automation functions and interprocess communications.
	* '''jackd''' provides the low-latency audio infrastructure used for recording, playback, and audio routing. ~~【2-3e5dbb】~~		* '''jackd''' provides the low-latency audio infrastructure used for recording, playback, and audio routing.

	Together, these components provide a secure, multi-user broadcast automation platform capable of professional radio playout and recording workflows. ~~【1-ef4425】【3-1ff375】【2-3e5dbb】~~		Together, these components provide a secure, multi-user broadcast automation platform capable of professional radio playout and recording workflows.
	```		```