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Questions tagged [gnupg]

The GNU Privacy Guard (GnuPG) is a free replacement for PGP.

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How to fix Launchpad PPA which uses a key with weak algorithm?

My sudo apt update output has warnings like the following: W: https://ppa.launchpadcontent.net/apandada1/blanket/ubuntu/dists/noble/InRelease: Signature by key 95ACDEBD8BFF99ABE0F26A49A507B2BBA7803E3B ...
Archisman Panigrahi's user avatar
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0 answers
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GPG verification enabled, but no signatures found

I am Ubuntu 22.04 LTS user. I am getting this error when trying to install "Varia download manager": [error: error pulling from repo: gpg verification enabled, but no signatures found (use ...
Mohammad Rimon's user avatar
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25 views

gpg failing in Ubuntu 22.04

I want to sign some PDFs using gpg command. I have my GnuPG key generated in "Passwords and Keys" GUI. Now, if I do gpg --clearsign --output=signed_doc.pdf doc.pdf the output is graphically ...
user171780's user avatar
1 vote
0 answers
137 views

NO_PUBKEY error of apt update

I'm trying to perform apt-update on ubuntu 22.04 LTS and I get an error root@kisharra:~# apt update Hit:1 http://apt.postgresql.org/pub/repos/apt jammy-pgdg InRelease Hit:2 http://ru.archive.ubuntu....
CRISTAL RAIN's user avatar
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Why does ls -l /etc/apt/trusted.gpg.d list key files twice?

This happens in Xubuntu 22.04.3 LTS. Look at this: $ ls -l /etc/apt/trusted.gpg.d insgesamt 20 -rw-r--r-- 1 root root 392 2024-02-03 17:36 atareao-ubuntu-atareao.gpg -rw-r--r-- 1 root root 0 2024-...
Adalbert Hanßen's user avatar
0 votes
1 answer
325 views

MySQL Installation issues on Ubuntu 22.04

Trying to install MySQL and Workbench on Ubuntu 22.04, issues with GPG key. When running update to see if my changes have had effect I persistently get: : An error occurred during the signature ...
Wes78's user avatar
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1 vote
1 answer
174 views

How can I restore /etc/apt/keyrings directory? [duplicate]

I am new to Linux, and when I was trying to install postgresql on my ubuntu 22.04, in one of the steps while adding the necessary gpg key, being not accurate it seems I deleted all the gpg files from /...
Helionthebus's user avatar
1 vote
0 answers
155 views

What is the proper procedure to remove a gpg key from /usr/share/keyrings?

Ubuntu 22.04.4 What is the proper procedure to remove a gpg key from /usr/share/keyrings? Recently I had need to add repo "http://repos.azulsystems.com/ubuntu stable main" for which I used ...
orlowand's user avatar
1 vote
1 answer
196 views

How to delete GPG key and repository? Key is not shown under apt-key

I wanted to install ctop on Ubuntu 22 and added the key and repository. But the repository does not contain a release file and apparently ctop is no longer maintained. Now I wanted to delete the key ...
nooboverflow's user avatar
-1 votes
1 answer
152 views

Vivaldi PPA: NO_PUBKEY errors

Vivaldi appears to have an issue with managing public keys. Apparently this is due to old keys being present in the local system. Errors displayed similar to: W: Während der Überprüfung der Signatur ...
mgw's user avatar
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Is it okay to have the same key for these three files, "pkgs-osrf-archive-keyring.gpg", "gazebo-archive-keyring.gpg"?

I have the same PGP key values for both the above mentioned .gpg files, this is how it looks -----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1 ...
Gautham 005's user avatar
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41 views

Is it okay to have a .gpg file under sources.list.d?

I have the following file under sources.list.d goutham@goutham-11-11:/etc/apt/sources.list.d$ ls cuda-ubuntu2204-12-3-local.list gazebo-stable.list google-chrome.list obsproject-...
Gautham 005's user avatar
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0 answers
164 views

Getting an error related to apt-key deprecation [duplicate]

When I tried to run sudo apt update I got the following errors related to NO_PUBKEY 67170598AF249743. Err:8 https://packages.osrfoundation.org/gazebo/ubuntu-stable jammy InRelease The following ...
Gautham 005's user avatar
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27 views

sudo apt update: Conflicting values set for option Signed-By regarding source [duplicate]

This is the error I get when running sudo apt update: goutham@goutham-11-11:/$ sudo apt update E: Conflicting values set for option Signed-By regarding source http://packages.osrfoundation.org/gazebo/...
Gautham 005's user avatar
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100 views

Error when using the sudo apt-get update command [duplicate]

List of PPAs: Error output from terminal: nessie27@nessie27-MS-7A38:~$ sudo apt-get update [sudo] password for nessie27: Exist:1 http://ru.archive.ubuntu.com/ubuntu jammy InRelease Gender:2 http://ru....
Vanessa Foht's user avatar
1 vote
1 answer
175 views

I cannot get a key in gnupg - file not found

In order to get a software working I need to get a key. I tried it as a user, then as root, no effect. Checked with Synaptic if all software for gnupg is there, do not see anything missing. I build up ...
Stajl's user avatar
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0 votes
1 answer
80 views

how to prevent *.list files from getting overwritten?

Following the accepted answer to this question, I have adjusted the ppa entry for geogebra to the following entry: deb [signed-by=/usr/share/keyrings/geogebra.gpg] http://www.geogebra.net/linux/ ...
Bruni's user avatar
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How to Resolve Warning about Key Stored in Legacy trusted.gpg Keyring in apt-get Update? [duplicate]

I'm running into an issue while updating my package lists on Ubuntu. When I run sudo apt-get update, the process completes successfully, but it ends with a warning message about a key being stored in ...
The Dan's user avatar
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0 answers
19 views

Solution for GPG expandrive key error [duplicate]

al intentar ejecutar sudo apt-get update en ubuntu 22, obtengo el siguiente error: W: Error de GPG: https://packages.expandrive.com/expandrive stable InRelease: Las siguientes firmas no fueron válidas:...
Alexander Tristancho's user avatar
0 votes
0 answers
13 views

docker php image problem with keys [duplicate]

I have problem after upgrading PHP image from 8.0 to PHP image 8.1 and on stackoverflow they sent me there this is my dockerfile: FROM php:8.1-apache AS apache RUN a2enmod rewrite WORKDIR /bin ...
Andrzej Olearka's user avatar
0 votes
0 answers
15 views

NO_PUBKEY B53DC80D13EDEF05 [duplicate]

When i run sudo apt update i get this error Err:13 https://packages.cloud.google.com/apt cloud-sdk InRelease The following signatures couldn't be verified because the public key is not available: ...
Ahmed Zedan's user avatar
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0 answers
12 views

I added a GPG key but it is not appearing in the key list [duplicate]

I added a new GPG key using this command: curl -fsSL https://pgp.mongodb.com/server-7.0.asc | \ sudo gpg -o /usr/share/keyrings/mongodb-server-7.0.gpg \ --dearmor The file is appearing in /usr/...
khateeb's user avatar
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2 votes
0 answers
3k views

Randomly get: gpg: keyserver receive failed: Cannot assign requested address

I want to add new repositories on Ubuntu 18.04 and randomly get the following error: gpg: keyserver receive failed: Cannot assign requested address Randomly, as in, the same command sometimes works ...
David Silva's user avatar
0 votes
1 answer
19 views

Problem with heanet.ie when trying to download gpg keys

Having an issue trying to download gpg security keys from heanet.ie servers on my debian/linux distro when trying to install mariadb as the keys are not signed. Anyone know how to resolve this issue?
Kevin Moore's user avatar
0 votes
0 answers
679 views

gpg: My PPA setup is causing DEPRECATION Warning, Manage keyring files in trusted.gpg.d instead

My PPA setup is causing DEPRECATION Warning: W: http://ppa.launchpad.net/myid/ppa/ubuntu/dists/focal/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION ...
xpt's user avatar
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0 votes
1 answer
208 views

"Sending of the message failed" when trying to sign a message with a gpg key (Thunderbird 102.11.2) using a gmail account

I'm trying to troubleshoot why thunderbird may be refusing to send a message when adding a signature to it, but works fine otherwise? Is it possible that gmail is blocking/refusing to process gpg ...
Daniel Krajnik's user avatar
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0 answers
692 views

apt-key deprecated. Install key without installing gpg?

I know that apt-key is deprecated and want to install kubectl like this: docker run -it ubuntu:22.04 bash apt update; apt install gpg curl sudo curl -s https://packages.cloud.google.com/apt/doc/apt-...
guettli's user avatar
  • 1,797
1 vote
1 answer
2k views

Problem with InfluxDB key causing GPG error during apt update

If I run an apt update, I get this error: W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://repos....
OZ1SEJ's user avatar
  • 1,235
0 votes
0 answers
63 views

Unable to upgrade from 22.10 to 23.04 becuase of nvidia gpg key

Every time I try sudo apt update, I get the error, GPG error: https://developer.download.nvidia.com/hpc-sdk/ubuntu/amd64 InRelease: The following signatures couldn't be verified because the public ...
T Kord's user avatar
  • 1
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0 answers
34 views

I can't get the app store icon

I uninstalled some apps in Ubuntu 20.04 using the app store. After a while I tried to install a new program, but I can't get the app store icon anymore. The system is searching forever, but gives no ...
John Doe Junior's user avatar
0 votes
1 answer
414 views

Permission Denied when trying to Install Anaconda Public GPG Key to the Trusted Store

Context: I'm setting up JupyterHub on an EC2 instance running Ubuntu 22.04 LTS and I'm trying to install the Anaconda Public GPG Key to Trusted Store via the following command: curl https://repo....
Prithvi Boinpally's user avatar
0 votes
0 answers
84 views

Skype - getting rid off cross-signing keys

With a fresh Ubuntu 23.04 installation, I would like to manage all keys in a proper way and get rid off the cross-siging threat. I've installed Skype simply by: wget -c https://repo.skype.com/latest/...
Adam Przedniczek's user avatar
1 vote
0 answers
176 views

Can't verify repository GPG signature even though key is installed

I'm facing a warning whenever I try to rur apt update: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 23F3D4EA75716059 This is a common issue, ...
João André's user avatar
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5 votes
1 answer
5k views

Unable to Complete MongoDB Install Ubuntu 22.04

I'm following MongoDB's official guide for installing on Ubuntu 22.04, but I'm unable to get past step three. I've tried importing the public key and created the list file. When I attempt to execute ...
ireallylikebeans's user avatar
3 votes
0 answers
117 views

Help me understand gpg outcome

I am following https://ubuntu.com/tutorials/how-to-verify-ubuntu#1-overview. to download an Ubuntu ISO file. I run gpg --keyid-format long --verify SHA256SUMS.gpg SHA256SUMS and get the following ...
Anders Kohlerstrand's user avatar
1 vote
0 answers
1k views

gpg error: can't connect to the agent: IPC connect call failed

I am using Ubuntu 20.04.6 LTS. I am unable to run any gpg commands without using sudo. I can't generate keys, I can't list keys etc. The error message I get is: gpg: starting migration from earlier ...
johnwayne_0909's user avatar
1 vote
0 answers
2k views

Ubuntu 22.04 - connection between adapting to apt-key deprecation and Ubuntu Software and Updates (software-properties-gtk)

With Ubuntu 22.04 and beyond, apt-key has been deprecated and will eventually be removed. This creates deprecation messages, so to solve this and attempt to improve security, I followed the following ...
Blitzkoder's user avatar
0 votes
0 answers
3k views

Getting a keying error - > Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details [duplicate]

I am new to ubuntu it was working just fine after some time when i tried to update i ran to this error (base) siddharth@Siddharth:~$ sudo apt update [sudo] password for siddharth: Hit:1 http://archive....
Nugget's user avatar
  • 21
0 votes
0 answers
324 views

Customizing LiveCD 22.04 - unable to boot - Squashfs GPG signature / keyring issues

I have spent last few weeks trying to customize Ubuntu LiveCD. Main guide which I follow is https://help.ubuntu.com/community/LiveCDCustomization This produces a modified image, but upon booting a ...
ojek's user avatar
  • 101
1 vote
1 answer
2k views

gpg-agent is older than us: how to find "us"?

From what I understand, the gpg-agent is older than us warning happens when the gpg-agent version doesn't match the gpg version, often because there are two gpg-agents installed (and sharing the ...
elyuku's user avatar
  • 11
1 vote
0 answers
112 views

Google Authenticator not giving correct verification code

I'm setting up a google authenticator for a linux image that i'm creating. Every time it gives me a verification code it's different to what my phone gives me. My question is because this is time ...
Bad programmer 's user avatar
0 votes
1 answer
1k views

GPG - Bad Passphrase when using a signing key

I'm using duplicity (via duplicity-backup.sh https://github.com/zertrin/duplicity-backup.sh - no longer under development or supported, but it's a convenient wrapper for duplicity), which I've been ...
Meatychunks's user avatar
0 votes
1 answer
863 views

How to remove a PubKey

I'm getting the error: GPG error: file:/var/cudnn-local-repo-ubuntu2004-8.8.0.121 InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ...
Bilal's user avatar
  • 305
0 votes
0 answers
3k views

GPG error, but could not update public key

When I ran: sudo apt-get update I got these errors: W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://...
Rick Cooper's user avatar
0 votes
0 answers
30 views

Opera repo not signed due to GPG error NO_PUBKEY [duplicate]

I am unable to perform software updates on my new Ubuntu 22.04 installation due to the following error/issue: Warning: GPG error: https://deb.opera.com/opera-stable stable InRelease: The following ...
tonyf's user avatar
  • 2,627
0 votes
1 answer
1k views

GPG error on inexistent NO_PUBKEY id

I am facing a common issue on my ubuntu 22.04: can't execute apt-get update successfully because of missing signatures: Reading package lists... Done W: GPG error: https://dl.k6.io/deb stable ...
victor israe's user avatar
3 votes
0 answers
476 views

Exact commands to replace deprecated `add-apt-repository ppa:<username>/<package>` with gpg, curl, etc

I understand that add-apt-repository is being deprecated because it adds the repo key globally instead of specifically for the package(s) that need it. However, the examples I see on the web don't ...
GlenPeterson's user avatar
  • 1,421
1 vote
0 answers
20 views

Upgraded from 20.04 to 22.04 on Dell machine and Dell repo no longer has a public key in update [duplicate]

I recently upgraded from 20.04 to 22.04 on a Dell Inspiron. When I ran apt-get update after the upgrade I got the following error: Get:1 http://dell.archive.canonical.com jammy InRelease [197 kB] Err:...
Nerdfire's user avatar
1 vote
0 answers
326 views

Problem with Repository and Keys

I wanted to update my I2P software and was following the steps provided in the official I2P website (https://geti2p.net/en/download/debian): Open a terminal and enter: sudo apt-add-repository ppa:...
romina restora's user avatar
1 vote
1 answer
703 views

apt-key command: What is the difference among '--recv-key', '--recv-keys' and '--recv' options?

For documentation purposes, about the apt-key command in many places I found these two variations: sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys PUBKEY sudo apt-key adv --...
Manuel Jordan's user avatar

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