So installing a PPA under Debian has a few more jumps to it.
https://linuxconfig.org/install-packages-from-an-ubuntu-ppa-on-debian-linux
And they appear to have the keys you need listed in that Blog post.
On Sun, Dec 8, 2024 at 4:05 PM Snyder, Alexander J via PLUG-discuss <
plug-discuss@lists.phxlinux.org> wrote:
> Have I mentioned how much I vastly dislike Debian?!
>
> I think so .... but anyhoo ...
>
> I can't seem to install this PPA repository.
>
> I'm using a Raspberry Pi 4 with "Raspberry Pi OS" (formerly Raspian) --
> which is secretly Debian Bookwork (Ubuntu 22.04 LTS) under the covers.
>
> I'm trying to install Python3.12 and (apparently) it's not included in the
> main OS repositories by default, so after a bunch of Googling, I found I
> need a 3rd party repo called "Dead Snakes" (*because that sounds
> trustworthy*) ... and while the command "apt-add-repository" failed on a
> python error, I was able to add the line manually in
> "/etc/apt/sources.list.d/deadsnakes.list" --- but then I get an error about
> the key missing ...
>
> =====================
> --> apt update
> Hit:1 http://deb.debian.org/debian bookworm InRelease
> Hit:2 http://deb.debian.org/debian-security bookworm-security InRelease
> Hit:3 http://deb.debian.org/debian bookworm-updates InRelease
> Hit:4 http://archive.raspberrypi.com/debian bookworm InRelease
> Get:5 https://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu jammy
> InRelease [18.1 kB]
> Err:5 https://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu jammy
> InRelease
> The following signatures couldn't be verified because the public key is
> not available: NO_PUBKEY BA6932366A755776
> Reading package lists... Done
> W: GPG error: https://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu
> jammy InRelease: The following signatures couldn't be verified because the
> public key is not available: NO_PUBKEY BA6932366A755776
> E: The repository 'https://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu
> jammy 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.
> ===========================
>
> This is the repo URL:
> https://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu/dists/jammy/
>
> and on that page, I see a GPG file, which I tried (*probably incorrectly*)
> to install:
>
> curl -fsSL
> https://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu/dists/jammy/Release.gpg
> | gpg --dearmor -o /usr/share/keyrings/deadsnakes.gpg
>
> but then when I do "apt update" I get the error shown above.
>
> This is infinitely easier on RedHat ... just sayin'
>
> Anyhoo -- I appreciate the help on this. I would prefer to not compile
> Python from source on a Raspberry Pi, as that takes over an hour to do.
>
> --
> Thanks,
> Alex.
>
>
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>
--
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.
Stephen
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