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User: nvidia
Password: nvidia

Jetpack

OS Kernel CUDA
JetPack 6 Ubuntu 22.04 5.15 12

The following commands will install all other JetPack components that correspond to your version of Jetson Linux L4T:

sudo apt update
sudo apt install nvidia-jetpack

jtop

sudo apt update
sudo apt install python3-pip
sudo pip3 install -U jetson-stats

Important!Important!Important

Do not use sudo apt-get upgrade and sudo apt-get dist-upgrade.
Do not use sudo apt upgrade and sudo apt dist-upgrade.

To prevent being upgraded, you can comment out the official Jetson apt source of NVIDIA:

cat /etc/apt/sources.list.d/nvidia-l4t-apt-source.list 
# SPDX-FileCopyrightText: Copyright (c) 2019-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: LicenseRef-NvidiaProprietary
#
# NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
# property and proprietary rights in and to this material, related
# documentation and any modifications thereto. Any use, reproduction,
# disclosure or distribution of this material and related documentation
# without an express license agreement from NVIDIA CORPORATION or
# its affiliates is strictly prohibited.

#deb https://repo.download.nvidia.com/jetson/common r36.4 main
#deb https://repo.download.nvidia.com/jetson/t234 r36.4 main
#deb https://repo.download.nvidia.com/jetson/ffmpeg r36.4 main