Jetson Linux Quick Start Guide
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Questions and Answers

Which Jetson device is intended for production use?

  • Jetson reference carrier board
  • JetPack SDK
  • Jetson developer kit
  • Jetson module (correct)

Jetson developer kits are designed for production use.

False (B)

What must be done to a Jetson module before it can be used?

Flash it with the software image.

Jetson developer kits include a non-production specification Jetson ______ attached to a reference carrier board.

<p>module</p> Signup and view all the answers

Which USB port should be used for flashing the NVIDIA Jetson AGX Xavier Developer Kit?

<p>USB-C port (C)</p> Signup and view all the answers

A wired Ethernet connection is required only for flashing software onto the Jetson developer kit.

<p>False (B)</p> Signup and view all the answers

What is the purpose of the NVIDIA JetPack SDK?

<p>To develop and test software for Jetson devices.</p> Signup and view all the answers

A serial console may be a terminal program running on the host computer or another connected ______.

<p>computer</p> Signup and view all the answers

Match the Jetson device series with their corresponding developer kit:

<p>Jetson AGX Orin = Jetson AGX Orin Developer Kit Jetson Xavier NX = Jetson Xavier NX Developer Kit Jetson AGX Xavier = Jetson AGX Xavier Developer Kit</p> Signup and view all the answers

What is the primary function of the Jetson developer kit?

<p>To develop and test software (C)</p> Signup and view all the answers

What value should ${L4T_RELEASE_PACKAGE} be set to for Jetson Xavier NX?

<p>Jetson_Linux_L4TRELEASEVERSION.tbz2 (D)</p> Signup and view all the answers

The Jetson AGX Xavier developer kits can be flashed using the command './flash.sh'.

<p>True (A)</p> Signup and view all the answers

What command is used to install (flash) the Jetson release onto the Jetson developer kit?

<p>./flash.sh ${BOARD} mmcblk0p1</p> Signup and view all the answers

The Jetson developer kit uses a microSD card of _____ GB or larger for the Xavier NX Developer Kit.

<p>16</p> Signup and view all the answers

Match the Jetson Modules with their corresponding Carrier board:

<p>Jetson AGX Orin = Jetson AGX Orin reference carrier board (P3737-0000) Jetson Xavier NX = Jetson Xavier NX reference carrier board (P3509-0000) Jetson AGX Xavier = Jetson AGX Xavier reference carrier board (P2822-0000) Jetson AGX Xavier Industrial = Jetson AGX Xavier reference carrier board (P2822-0000)</p> Signup and view all the answers

Which command is used to confirm if the developer kit is in Force Recovery Mode?

<p>lsusb (C)</p> Signup and view all the answers

Development modules are sold only as components of a developer kit.

<p>True (A)</p> Signup and view all the answers

What jumper configuration initiates Force Recovery Mode for the Xavier NX Developer Kit?

<p>Place a jumper across pins 9 and 10 (FC REC and GND)</p> Signup and view all the answers

The common configuration for the Jetson AGX Orin module is _____ .

<p>jetson-agx-orin-devkit</p> Signup and view all the answers

What happens after the flashing process of the Jetson developer kit completes?

<p>The developer kit reboots automatically. (D)</p> Signup and view all the answers

Which of the following Jetson devices is included in the NVIDIA Jetson Linux support?

<p>NVIDIA Jetson AGX Xavier Developer Kit (A)</p> Signup and view all the answers

The Jetson developer kits are intended for production use.

<p>False (B)</p> Signup and view all the answers

What is required to flash software onto a Jetson developer kit?

<p>A Linux host system</p> Signup and view all the answers

Jetson modules ship with no software _______.

<p>preinstalled</p> Signup and view all the answers

Match each Jetson module with its corresponding developer kit:

<p>Jetson AGX Orin = Jetson AGX Orin Developer Kit Jetson Xavier NX = Jetson Xavier NX Developer Kit Jetson AGX Xavier = Jetson AGX Xavier Developer Kit Jetson Nano = Jetson Nano Developer Kit</p> Signup and view all the answers

Which USB port is used for flashing the Jetson Xavier NX Developer Kit?

<p>Micro USB port (D)</p> Signup and view all the answers

A serial console must be connected for the Jetson developer kit to function properly.

<p>False (B)</p> Signup and view all the answers

What kind of connection is required for installing optional software on the Jetson developer kit?

<p>Wired Ethernet connection</p> Signup and view all the answers

What does a Jetson developer kit consist of?

<p>A non-production-specification Jetson module and a reference carrier board (B)</p> Signup and view all the answers

What is the purpose of the environment variable ${SAMPLE_FS_PACKAGE}?

<p>It specifies the sample file system package's filename. (D)</p> Signup and view all the answers

The configuration for the Jetson AGX Xavier Development module flashes the internal eMMC.

<p>True (A)</p> Signup and view all the answers

What command is used to enter Force Recovery Mode on the Jetson Xavier NX Developer Kit?

<p>Place a jumper across pins 9 and 10.</p> Signup and view all the answers

After the flashing process completes, the Jetson developer kit is ______.

<p>operational</p> Signup and view all the answers

Match each Jetson module with its configuration name:

<p>Jetson AGX Orin = jetson-agx-orin-devkit Jetson Xavier NX = jetson-xavier-nx-devkit Jetson AGX Xavier = jetson-agx-xavier-devkit Jetson Xavier NX eMMC = jetson-xavier-nx-devkit-emmc</p> Signup and view all the answers

Which command initializes the flashing of the Jetson release onto the developer kit?

<p>$ sudo ./flash.sh ${BOARD} mmcblk0p1 (B)</p> Signup and view all the answers

A microSD card of 8GB or larger is required for flashing the Jetson AGX Xavier Developer Kit.

<p>False (B)</p> Signup and view all the answers

What must you do to confirm that the Jetson developer kit is in Force Recovery Mode?

<p>Check the output of the command <code>lsusb</code> for the specific Nvidia Corp ID.</p> Signup and view all the answers

Which environment variable contains the pathname of the Jetson Linux release package?

<p>${L4T_RELEASE_PACKAGE} (C)</p> Signup and view all the answers

To untar the Jetson Linux release package, you first need to use the command ______.

<p>tar xf ${L4T_RELEASE_PACKAGE}</p> Signup and view all the answers

Flashcards

Jetson Developer Kits and Modules

NVIDIA Jetson modules are for deployment in production environments while Jetson developer kits are for development and testing purposes. The developer kits include non-production-specification Jetson modules attached to reference carrier boards.

L4T_RELEASE_PACKAGE

Variable set on your host system that determines the Jetson Linux release package filename, for example: Jetson_Linux_L4TRELEASEVERSION.tbz2.

What is a Jetson Developer Kit?

Jetson Developer Kits include a non-production-specification Jetson module attached to a reference carrier board. You can use it to develop and test software for your use case.

SAMPLE_FS_PACKAGE

Variable set on your host system that provides the filename of the sample file system package, such as Tegra_Linux_Sample-Root-Filesystem_L4TRELEASEVERSION.tbz2.

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BOARD

Variable set on your host system that specifies the combination of Jetson module and carrier board you are using, for instance: jetson-agx-orin-devkit for a Jetson AGX Orin module and the Jetson AGX Orin Developer Kit.

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What is a Jetson Module?

Jetson Modules are ideal for deployment in production environments. They are designed to be embedded in your final product and don't come with any software preinstalled. You need to attach them to a custom carrier board and flash them with the software you developed.

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Supported Jetson Devices

NVIDIA Jetson AGX Orin, Jetson Xavier NX series, and Jetson AGX Xavier series modules and their respective developer kits are supported by this release of Jetson Linux.

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Development Module

A development module intended for creating and testing applications.

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Preparing a Jetson Developer Kit

To prepare a Jetson Developer Kit for use, you need to flash it with the appropriate software.

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Production Module

A production module designed for use in real-world applications, often sold separately.

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Requirements for Flashing a Jetson Developer Kit

You need a separate Linux host system to flash the software to your Jetson Developer Kit. The host system should be connected to the developer kit through a USB port and have a wired Ethernet connection for software installation on the developer kit.

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Force Recovery Mode

A special state that allows you to reflash or update your Jetson's software.

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USB Port for Flashing

For the NVIDIA Jetson AGX Xavier Developer Kit, you should use the USB-C port next to the power button for flashing. For other Jetson Developer Kits, use the micro USB port.

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flash.sh

A command used to install the Jetson Linux release onto your Jetson device.

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Display or Serial Console

You need to connect a display device or a serial console to the Jetson Developer Kit for debugging and interaction. A serial console can be a terminal program running on the host computer or another connected computer.

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Configuration File

A configuration file that contains settings specific to a particular Jetson module and carrier board.

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Force Recovery Mode

A special mode that lets you install Jetson software without booting into the operating system.

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Connecting Peripherals using USB Hubs

You can connect a USB hub to your Jetson Developer Kit to connect multiple peripherals such as a keyboard and mouse. This is recommended for ease of use during software development and testing.

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Wired Ethernet Connection

A wired Ethernet connection with internet access is required when installing optional software on the Jetson Developer Kit after you have flashed it with the Jetson Linux software.

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lsusb

A command that shows the list of USB devices connected to your computer, including the Jetson device.

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What are Jetson developer kits?

Jetson developer kits are pre-built devices designed for software development and testing. They include a non-production-specification Jetson module, which is a powerful computer on a board, connected to a carrier board that provides connectors and interfaces.

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What are Jetson modules?

Jetson modules are designed for deployment in real-world applications. They are compact, powerful computers that you can embed in your final product. You need to attach them to a carrier board that you design or procure separately.

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How do you prepare a Jetson developer kit?

You can flash a Jetson developer kit with the appropriate software image using a separate Linux host computer. This process installs the operating system and other essential software onto the developer kit.

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How do you connect a Jetson developer kit to a host computer for flashing?

To flash a Jetson developer kit, you need to connect it to a Linux host computer using a USB cable. The specific USB port to use depends on the Jetson developer kit model. For the Jetson AGX Xavier Developer Kit, use the USB-C port next to the power button.

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What's a serial console and why is it used?

You can use a serial console, which is basically a terminal program on your host computer, to interact with the developer kit during the flashing process.

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Why is a wired Ethernet connection needed after flashing?

After flashing the developer kit, you need a wired Ethernet connection with internet access to install any optional software. This is necessary for getting the latest updates and features.

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What is the Jetson Linux release package?

The Jetson Linux release package is the software image that you flash onto your Jetson developer kit. It contains the operating system and other crucial software needed for the device to function.

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What does the Jetson Linux Release Package filename look like?

The Jetson Linux Release Package filename includes the version number. It often looks like "Jetson_Linux_L4TRELEASEVERSION.tbz2". You can find this filename in the instructions or download page.

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What is the BOARD variable?

The BOARD variable specifies the specific combination of Jetson module and carrier board you are using. For example, "jetson-agx-orin-devkit" represents the Jetson AGX Orin module with the Jetson AGX Orin Developer Kit.

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What is the SAMPLE_FS_PACKAGE variable?

The SAMPLE_FS_PACKAGE variable refers to the sample file system package, which has a filename similar to "Tegra_Linux_Sample-Root-Filesystem_L4TRELEASEVERSION.tbz2". This package provides a basic file system for your development work.

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What is the purpose of the "L4T_RELEASE_PACKAGE" environment variable?

Contains the filename of the Jetson Linux release package, e.g., "Jetson_Linux_L4TRELEASEVERSION.tbz2".

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What is the purpose of the "SAMPLE_FS_PACKAGE" environment variable?

Contains the filename of the sample file system package, e.g., "Tegra_Linux_Sample-Root-Filesystem_L4TRELEASEVERSION.tbz2".

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What does the "BOARD" environment variable determine?

Specifies the combination of Jetson module and carrier board used. Examples include "jetson-agx-orin-devkit" and "jetson-xavier-nx-devkit".

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What is "Force Recovery Mode" and why is it important?

A special state that allows you to reflash or update your Jetson's software. It's critical for installing or reinstalling the Jetson Linux operating system.

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What is the purpose of the "flash.sh" command?

The command used to install the Jetson Linux release onto your Jetson device.

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What does the message "Bus Device: ID 0955: Nvidia Corp." indicate when using the "lsusb" command?

The Jetson module is in Force Recovery Mode. This means you can now flash a new operating system or update the current one.

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What is the distinction between "Development Modules" and "Production Modules" in Jetson devices?

Production modules are intended for use in real-world applications and are sold separately. They are compatible with listed carrier boards, but require external software installation and configuration.

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What are the requirements for flashing a Jetson Developer Kit?

The Jetson developer kit should be connected to a Linux host system via a USB port for flashing. The host system needs a wired Ethernet connection with internet access to download and install necessary software.

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What is a "Development Module" in the context of Jetson devices?

A development module intended for creating and testing applications. These are typically embedded within complete developer kits.

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What is a "Configuration File" in the context of Jetson devices?

Each configuration file, named after the corresponding "BOARD" value with a ".conf" extension, contains settings specific to a particular Jetson module and carrier board.

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Study Notes

Jetson Linux Quick Start

  • NVIDIA Jetson developer kits support software development and testing.
  • Jetson modules are intended for production deployments.
  • Jetson modules ship without pre-installed software and require a carrier board for use.
  • Jetson developer kits include a non-production Jetson module on a reference carrier board, and are ideal for software development and testing.
  • Jetson modules are suitable for production environments throughout their operating lifecycle.

Jetson Devices Supported

  • NVIDIA® Jetson AGX Orinâ„¢ modules and Jetson AGX Orin Developer Kit
  • NVIDIA® Jetson Xavierâ„¢ NX series modules and Jetson Xavier NX Developer Kit
  • NVIDIA® Jetson AGX Xavierâ„¢ series modules and Jetson AGX Xavier Developer Kit

Preparing a Jetson Developer Kit

  • Requires a Linux host and a compatible Jetson developer kit.
  • Connect the host to the Jetson developer kit using USB (USB-C for AGX Xavier, micro USB for other kits).
  • Connect any necessary USB peripherals (keyboard, mouse, etc.)
  • Establish a wired Ethernet connection for optional software installation.
  • Connect a display device or a serial console (e.g., a terminal program on the host).

Environment Variables

  • ${L4T_RELEASE_PACKAGE}: Path to the Jetson Linux release package.
  • ${SAMPLE_FS_PACKAGE}: Path to the sample file system package; value depends on the Jetson model. Specific values are given. e.g., Tegra_Linux_Sample-Root-Filesystem_L4TRELEASEVERSION.tbz2.
  • ${BOARD}: Name of the configuration (e.g., jetson-agx-orin-devkit), specific values given. Example: jetson-agx-orin-devkit.

Flashing Jetson Linux

  • Download the latest Jetson Linux release package and sample file system.
  • Untar the released files.
  • Assemble the root file system.
  • Run the apply_binaries.sh script.
  • Enter force recovery mode on the Jetson developer kit.

Entering Force Recovery Mode (Jetson Xavier NX)

  • Power off the Jetson Xavier NX Developer Kit.
  • Insert a 16GB+ microSD card.
  • Place a jumper across pins 9 and 10 (FC REC and GND) on the button header (J14).
  • Connect the power adapter.
  • Remove the jumper.

Entering Force Recovery Mode (Other Jetson Kits)

  • Power off.
  • Press and hold the Force Recovery button.
  • Press, then release the Power button.
  • Release the Force Recovery button.

Determining Force Recovery Mode (lsusb command)

  • Connect the host.
  • Run lsusb on host. Detect a specific USB ID. Example: Bus Device : ID 0955:7023 ... Nvidia Corp.

Installing Jetson Linux using flash.sh

  • Run the command sudo./flash.sh ${BOARD} mmcblk0p1 on host. Specific BOARD value required.
  • Jetson kit reboots after installation.
  • Set up user account and log in.

Jetson Modules and Configurations

  • Specific configurations: model, type (development or production), carrier board, configuration (name), and storage device flashed.
  • Each configuration has a corresponding .conf file. (e.g., jetson-agx-orin-devkit.conf). Example configurations and associated data for particular modules given.
  • Development modules are only sold as part of a kit. Production modules are intended for use in production, and often sold separately. Development and production modules also available individually.

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Description

This quiz covers the essentials of getting started with NVIDIA Jetson Linux, including the necessary hardware and software setups. Learn about different Jetson developer kits, supported devices, and environment variables needed for development. Perfect for aspiring developers and enthusiasts looking to dive into Jetson technology.

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