Issues with GPG on Lab 4.3: Install Docker Engine

magnezone150

Below is the Error Message given after completing steps on Page 2.

Err:3 https://download.docker.com/linux/ubuntu focal InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 7EA0A9C3F273FCD8
Reading package lists... Done
W: GPG error: https://download.docker.com/linux/ubuntu focal InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 7EA0A9C3F273FCD8
E: The repository 'https://download.docker.com/linux/ubuntu focal InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

chrispokorni

Hi @magnezone150,

It seems the official installation steps show a slight change. Please try them from the docker documentation:

https://docs.docker.com/engine/install/ubuntu/

Regards,
-Chris

chrispokorni

Hi @magnezone150,

Any minor updates can be found at podman's official docs:

https://podman.io/getting-started/installation

Regards,
-Chris

magnezone150

Solved with

gpg --keyserver https://download.docker.com/linux/ubuntu --recv-keys 7EA0A9C3F273FCD8
OR
Destroying VM and Recovering Via Snapshot

magnezone150

@chrispokorni Thanks Chris, do you happen to have the updated instructions for installing Podman?
I'm having the same GPG Error there too for Lab 4.4 Podman