I just flashed Jetson Linux 35.2.1. While following Getting Started with Jetson AGX Orin Developer Kit | NVIDIA Developer to install Jetpack, I’m getting:
nick@ubuntu:~$ sudo apt update
[sudo] password for nick:
Get:1 file:/var/cuda-repo-l4t-11-4-local InRelease [1,575 B]
Get:1 file:/var/cuda-repo-l4t-11-4-local InRelease [1,575 B]
Err:1 file:/var/cuda-repo-l4t-11-4-local InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 65E126F113070C62
Get:2 https://repo.download.nvidia.com/jetson/common r35.2 InRelease [2,555 B]
Get:3 https://repo.download.nvidia.com/jetson/t234 r35.2 InRelease [2,547 B]
Hit:4 http://ports.ubuntu.com/ubuntu-ports focal InRelease
Hit:5 http://ports.ubuntu.com/ubuntu-ports focal-updates InRelease
Hit:6 http://ports.ubuntu.com/ubuntu-ports focal-backports InRelease
Hit:7 http://ports.ubuntu.com/ubuntu-ports focal-security InRelease
Fetched 5,102 B in 2s (3,312 B/s)
Reading package lists... Error!
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: file:/var/cuda-repo-l4t-11-4-local InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 65E126F113070C62
W: Failed to fetch file:/var/cuda-repo-l4t-11-4-local/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 65E126F113070C62
W: Some index files failed to download. They have been ignored, or old ones used instead.
E: Splitting of clearsigned file /var/lib/apt/lists/_var_cuda-repo-l4t-11-4-local_InRelease failed as it doesn't contain all expected parts
E: The package lists or status file could not be parsed or opened.
Package manager is completely borked now. I can’t install anything. What is the solution?