{SOLVED] How do I update the Public Key? (dedian 10)

mariannemarlow · 2022-08-17 07:43:33

Hello everyone,

Could I please have some help with something?

I am getting an error message about a public key when I try and update in the terminal.

On another note I also get error messages about skype and signal that I uninstalled.

Any instructions would be great. Warning, I am not anywhere near as technically savvy as you and might need clarification when you give me instructions.

Thank you!

Marianne

root@debian:/home/marianne# sudo apt-get update
Get:1 http://deb.debian.org/debian buster-updates InRelease [56.6 kB]
Get:2 http://security.debian.org/debian-security buster/updates InRelease [34.8 kB]
Hit:3 http://deb.debian.org/debian buster InRelease                            
Get:4 http://download.opensuse.org/repositories/home:/stevenpusser/Debian_10  InRelease [1,550 B]
Get:5 https://repo.skype.com/deb stable InRelease [4,502 B]                    
Get:6 https://dl.google.com/linux/chrome/deb stable InRelease [1,811 B]        
Get:7 https://updates.signal.org/desktop/apt xenial InRelease [2,316 B]
Get:8 http://security.debian.org/debian-security buster/updates/main Sources [247 kB]
Get:9 http://security.debian.org/debian-security buster/updates/main amd64 Packages [338 kB]
Err:5 https://repo.skype.com/deb stable InRelease      
  The following signatures were invalid: EXPKEYSIG 1F3045A5DF7587C3 Skype Linux Client Repository <se-um@microsoft.com>
Get:10 https://dl.google.com/linux/chrome/deb stable/main amd64 Packages [1,097 B]
Err:7 https://updates.signal.org/desktop/apt xenial InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY D980A17457F6FB06
Reading package lists... Done
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://repo.skype.com/deb stable InRelease: The following signatures were invalid: EXPKEYSIG 1F3045A5DF7587C3 Skype Linux Client Repository <se-um@microsoft.com>
W: GPG error: https://updates.signal.org/desktop/apt xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY D980A17457F6FB06
E: The repository 'https://updates.signal.org/desktop/apt xenial 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.

Last edited by mariannemarlow (2022-08-17 12:34:22)

unklar · 2022-08-17 08:08:54

Depending on the entries you made in the sources.list, you would have to either delete them as root or comment them out with #.

You can find them here in /etc/apt/sources.list or
/etc/apt/sources.list.d/ from lithium.

Then apt update

mariannemarlow · 2022-08-17 11:55:12

Hi,

Thanks for your response.

This is what my sources.list looks like

# deb cdrom:[Official Debian GNU/Linux Live 10.1.0 xfce 2019-09-07T11:18]/ buster main

#deb cdrom:[Official Debian GNU/Linux Live 10.1.0 xfce 2019-09-07T11:18]/ buster main

deb http://security.debian.org/debian-security buster/updates main
deb-src http://security.debian.org/debian-security buster/updates main

deb http://deb.debian.org/debian/ buster-updates main
deb-src http://deb.debian.org/debian/ buster-updates main

## DEBIAN 10 Buster
deb http://deb.debian.org/debian/ buster main contrib non-free

rbh · 2022-08-17 12:07:25

Sources for third party repository's lika Signal and Skype is default listed in files in /etc/apt/sources.list.d/*

If you have uninstalled Skype and Signal, you do not need to update the public key. Just delete file /etc/apt/sources.list.d/skype-stable.list (as root) and the entry for Signal.

mariannemarlow · 2022-08-17 12:14:23

Maybe my initial message was unclear.

I thought it wasn't performing any updates on anything? is that not what it's saying?

mariannemarlow · 2022-08-17 12:28:15

Okay, deleted those two files, thanks so much. I thought it was more complicated than it was

rbh · 2022-08-17 20:40:40

mariannemarlow wrote:

I thought it wasn't performing any updates on anything? is that not what it's saying?

No, command "apt-update", made apt read Release files for all sources but Skype and Signal. Command "apt upgrade" would then upgrade for all the sources but Skype and Signal.

More reading about "Package signing in Debian" on https://www.debian.org/doc/manuals/secu … gn.en.html.

Good you got rid of the errors. You will now get info of available upgrades. That info is not shown when there is errors.

Btw; Command "inxi -r", will list all sourcess in /etc/apt/sources.list and /etc/apt/sources.list./d*

mariannemarlow · 2022-08-17 21:41:50

Thanks rbh

#1 2022-08-17 07:43:33

{SOLVED] How do I update the Public Key? (dedian 10)

#2 2022-08-17 08:08:54

Re: {SOLVED] How do I update the Public Key? (dedian 10)

#3 2022-08-17 11:55:12

Re: {SOLVED] How do I update the Public Key? (dedian 10)

#4 2022-08-17 12:07:25

Re: {SOLVED] How do I update the Public Key? (dedian 10)

#5 2022-08-17 12:14:23

Re: {SOLVED] How do I update the Public Key? (dedian 10)

#6 2022-08-17 12:28:15

Re: {SOLVED] How do I update the Public Key? (dedian 10)

#7 2022-08-17 20:40:40

Re: {SOLVED] How do I update the Public Key? (dedian 10)

#8 2022-08-17 21:41:50

Re: {SOLVED] How do I update the Public Key? (dedian 10)

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