Update Issue No Public Key for Plex Repo

[loopback99]

Install Updates Error log
===========================
Install Updates could not fetch the package cache information lists.
Go to https://www.linuxliteos.com/forums/ and paste the log below into a new or existing thread for assistance.

============ Log ===========

Hit:1 http://repo.linuxliteos.com/linuxlite emerald InRelease
Get:2 https://downloads.plex.tv/repo/deb public InRelease [6,685 B]
Hit:3 http://us.archive.ubuntu.com/ubuntu focal InRelease
Hit:4 http://security.ubuntu.com/ubuntu focal-security InRelease
Hit:5 http://us.archive.ubuntu.com/ubuntu focal-updates InRelease
Err:2 https://downloads.plex.tv/repo/deb public InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 97203C7B3ADCA79D
Hit:6 http://ppa.launchpad.net/gambas-team/gambas3/ubuntu focal InRelease
Hit:7 http://us.archive.ubuntu.com/ubuntu focal-backports InRelease
Hit:8 http://archive.canonical.com/ubuntu focal InRelease
Reading package lists...
W: GPG error: https://downloads.plex.tv/repo/deb public InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 97203C7B3ADCA79D
E: The repository 'https://downloads.plex.tv/repo/deb public InRelease' is not signed.

[firenice03]

[member=37262]loopback99[/member]

Code:

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 97203C7B3ADCA79D

Then rerun updates


https://www.linuxliteos.com/forums/other...1/new/#new

[loopback99]

Thank you for your prompt help, in the interest of self serve in the future, would  adding the  Plex APT repository again and importing  the repository’s GPG key worked as well in your opinion?