The following signatures couldn't be verified because the public key is not available for seadrive and nvidia

Question

I get errors while make sudo apt update

➜  ~ sudo apt-get update
Err:1 https://linux-clients.seafile.com/seadrive-deb/focal stable InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 2B844307BE7E9E8C
Err:14 http://ppa.launchpad.net/mc3man/xerus-media/ubuntu focal Release
  404  Not Found [IP: 91.189.95.85 80]
Err:15 http://ppa.launchpad.net/pypa/ppa/ubuntu focal Release
  404  Not Found [IP: 91.189.95.85 80]
Err:8 https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64  InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A4B469963BF863CC

Runing though 80 port - no data:

➜  ~ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 2B844307BE7E9E8C
Executing: /tmp/apt-key-gpghome.dThi8vDgCQ/gpg.1.sh --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 2B844307BE7E9E8C
gpg: keyserver receive failed: No data

what else can I do to solve this problem?

!!!solved Thanks!!!

Solution

Looks like NVIDIA has updated its signing keys as of April 27, 2022. You can follow these instructions to update your system with the new ones.

---

The recommended method is to use a helper package to automatically install the keys. To install the helper package (and the keys), run the following commands:

wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/cuda-keyring_1.0-1_all.deb
sudo dpkg -i cuda-keyring_1.0-1_all.deb

Alternatively, you can install the key manually by using the following commands (not the recommended method):

sudo apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/3bf863cc.pub

Comments

[Admin]

Did you already run sudo wget https://linux-clients.seafile.com/seafile.asc -O /usr/share/keyrings/seafile-keyring.asc and is the repository listed as deb [arch=amd64 signed-by=/usr/share/keyrings/seafile-keyring.asc] https://linux-clients.seafile.com/seafile-deb/focal/ stable main' in your /etc/apt/sources.list.d/seafile.list file?

[Admin]

Also, do you get the same error for Nvidia?

[Admin]

sudo wget linux-clients.seafile.com/seafile.asc -O /usr/share/keyrings/seafile-keyring.asc solve problem with NO_PUBKEY 2B844307BE7E9E8C

[Admin]

Looks like there are no this row. Should I add one? ``` ➜ ~ cat /etc/apt/sources.list.d/seafile.list deb deb.seadrive.org stretch main ```

[Admin]

If the first command fixed the problem, you can skip the second command and leave the line as it is. Answer provided below. Don't forget to upvote answers if they work for you.

[Admin]

it's help with Nvidia public key! Thanks!!!

[Admin]

I tried it from the very beginning. It didn't work(