Questions tagged [gnupg]

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

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What to do with missmatched gpg-agent versions when the agent is forwarded over ssh?

I have a script that access an encrypted file on an remote server. I had a working agent forward over ssh, until the server got upgraded. The server uses agp-agent version 2.2.20, and in ubuntu I ...
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Apt update error: An error occurred during the signature verification [closed]

When updating I got the following message: W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors....
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How to upgrade to GnuPG >2.2.8?

How to upgrade GnuPG with version >2.2.8 in Ubuntu 16.04.2 LTS? When I enter gpg --version, I get gpg (GnuPG) 1.4.20. When I enter gpg2--version, I get gpg (GnuPG) 2.1.11. I also have Thunderbird with ...
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Created new pair of GPG Keys good for 1 wk - Why do I need to make Revocation Certificate

Testing GPG encrypted emails, I understand the reason for Revocation Certificate if you are making one for long time. Beings I'm trying to setup Thunderbird & Enigmail I thought I would start with ...
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apt-get update not not working [duplicate]

when I try to update my system it doesnt work I try many ways but it didnot work this is the result W: GPG error: http://ppa.launchpad.net/linuxuprising/java/ubuntu focal InRelease: The following ...
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Re-build corrupted GPG private key files

I have to ask something potentially impossible, however I don't think this has ever been asked. I had a saved private.key for my personal public keyring on a harddisk. Sooooo, what have I done..!? ...
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Running gpg -c with a password file?

If we want to run gpg -c filename but with the password in a file, how do we do it. I tried: gpg -c --passphrase-fd passwordinfile filetogpg But it just hangs. Thoughts?
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Error gpg verify

I need to download tor, done it but cant verify sig. i've done gpg --auto-key-locate nodefault,wkd --locate-keys torbrowser@torproject.org gpg --output ./tor.keyring --export ...
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No such file or directory: 'S.gpg-agent.browser'

I am trying to install Java 11 on Ubuntu 16.04 by following this link. When i run command :- sudo add-apt-repository ppa:linuxuprising/java I get below error: gpg: keybox '/tmp/tmp39zhtkci/...
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gpg2 --refresh-keys general error

unfortunately I experience the following error when running $ gpg2 --refresh-keys gpg: refreshing 18 keys from hkps://keys.openpgp.org gpg: keyserver refresh failed: General error As you can gather ...
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E: Type 'gpg' is not known on line 1 in source list /etc/apt/sources.list.d/whatsie.list [duplicate]

I get E: Type 'gpg' is not known on line 1 in source list /etc/apt/sources.list.d/whatsie.list E: The list of sources could not be read. This message on my terminal whenever I write any command ...
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Lubuntu 18.04 Bionic: Tor browser installation - SIGNATURE VERIFICATION FAILED

I was trying to install Tor browser using apt (sudo apt install torbrowser-launcher), but I got "SIGNATURE VERIFICATION FAILED" error. None of the following solutions that I had found online worked ...
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Update from 19.04 to 19.10

When I updated from 19.04 to 19.10, my laptop started to load slowly and now shows an error that it has some network problem and updated manually and the following remarks W:GPG error: http://...
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apt-key returns invalid argument

The following command in Ubuntu 18.04 on a DO droplet is returning the error 'Invalid argument': apt-key adv --fetch-keys 'https://mariadb.org/mariadb_release_signing_key.asc' I've checked the ...
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1answer
134 views

gpg: 1 signature not checked due to a missing key

Can't sudo apt-get update: Ign:8 http://download.opensuse.org/repositories/home:/Horst3180/xUbuntu_16.04 Release.gpg Reading package lists... Done W: GPG error: http://download.opensuse.org/...
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--fetch-keys vs --recv-keys, check if key already exists using bash for 3rd party keys not the one from PPA

This is what I got so far: #!/bin/bash # google chrome if [ -z "$(sudo apt-key list 2> /dev/null | grep "EB4C 1BFD 4F04 2F6D DDCC EC91 7721 F63B D38B 4796")" ]; then sudo apt-key ...
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I am getting this following GPG error. please provide the solution

By executing sudo apt-get update command I'm getting following error: W: GPG error: http://nvdebmirror.nvidia.com/ubuntu precise InRelease: The following signatures were invalid: ...
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1answer
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Add GPG signature using Windows Subsystem for Linux

Started by installing Windows Subsystem for Linux with Ubuntu 18.04 LTS. Then, installed rng-tools by executing this command: sudo apt-get install rng-tools and executing the following command gpg ...
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1answer
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Signature verification fails for program that I thought I removed. How to remove the program completely?

Here is the output that I get 53 packages can be upgraded. Run 'apt list --upgradable' to see them. W: An error occurred during the signature verification. The repository is not updated and the ...
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gpg no valid OpenPGP data found

I am trying to find some way of monitoring our VMware guests Memory, RAM etc. So I am not a Linux expert but I've read if I build a Ubuntu VM and install InfluxDB, Grafana, and Telegraf I can get the ...
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1answer
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Replacing ssh-agent for gpg-agent

I was trying to use gpg-agent as a "drop-in replacement" of ssh-agent. My understanding was that I needed to: add enable-ssh-support to ~/.gnupg/gpg-agent.conf comment use-ssh-agent from /etc/X11/...
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Cannot upload PGP key to launchpad

I cannot understand why my PGP key was refused by Launchpad: I have generated a key (RSA,4096 with no expiration) and have properly uploaded using gpg --keyserver keyserver.ubuntu.com --send-keys &...
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How to setup TPM in Dell Edge Gateway 3003 with Ubuntu Core 16?

Currently I am try to configure TPM in Dell Edge Gateway 3003 with Ubuntu Core 16. I have facing some problem gpg key Id generating time. I try to generate key ID for using this command: gpg --no-...
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I can't update kernel

I'm trying to update kernel due to instructions in this site https://www.cyberciti.biz/tips/compiling-linux-kernel-26.html I installed 5.4.12 kernel from kernel.org and 5.4.12 key. user:~$ gpg --...
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gpg: keyserver receive failed: Server indicated a failure

I want to add a new repository, But I get error at the beginning: $ gpg --verbose --keyserver keys.gnupg.net --recv 886DDD89 gpg: keyserver receive failed: Server indicated a failure I also tried ...
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Installation Source List

I want to add to the sources.list file for the installation media to give it extra repositories that I normally utilize. How do I do that? Additionally, how would I save any GPG keys that go along ...
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Backups GPGError on Ubuntu 18.04 [duplicate]

Whenever I try to backup my computer I get this error message: GPGError: GPG Failed, see log below: ===== Begin GnuPG log ===== gpg: WARNING: "--no-use-agent" is an obsolete option - it has no effect ...
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How to generate a gpg for InRelease

i have created a repository using apache and a folder, know i dont want to use deb [trusted=yes] for my repost and try to generate the key with gpg, 4096bit and the next config personal-digest-...
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1answer
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Cannot find source links in source file but still shows in apt update

I'm new to this, and I was trying to install MS SQL in 18.04. But I faced some issue and wanted to remove everything regarding MS SQL for new. So I purge everything and removed all GPG from /etc/apt/...
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1answer
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Signatures couldn't be verified because the public key is not available

I'm having trouble, while trying to run a docker container with a base ubuntu image. While attempting to RUN apt-get update, I'm getting the following error: W: GPG error: http://ppa.launchpad.net/...
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KGPG will not start after first install

I installed and exported my keys into KGPG yesterday. Since I unpinned it to the start menu it will not start. Have tried removing the package and reinstalling it multiple times. Also have tried ...
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GPG key created with sudo cannot be used to sign Git commit

When I attempt to create a new key for Github with this command: gpg --full-gen-key I keep receiving this error: gpg: no writable public keyring found: Not found Key generation failed: Not found ...
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GPG “No valid OpenPGP data found”

I have a number of files I previously encrypted with a symmetric key using GnuPG 2.2.4, on Ubuntu 18.04.3 LTS. Although I have successfully decrypted them in the past, for some unknown reason, I get ...
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1answer
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GnuPG 2.2.4 file decryption issue with symmetric key

I am having issues attempting to decrypt a file that I previously encrypted using a symmetric key I created. I am using GnuPG 2.2.4, on Ubuntu 18.04.3 LTS To highlight part of the problem I created a ...
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verifying ubuntu hashes for 19.10

I'm behind a proxy, and dirmngr doesn't seem to honour the http_proxy rules. So i'm doing these steps download sha256sums.gpg and sha256sums from ubuntuhashes gpg --verify sha256sums.gpg sha256sums ...
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1answer
152 views

๊ืีCan't verify Ubuntu iso gpg

I download Ubuntu ISO from https://ubuntu.com/download/desktop/thank-you?country=TH&version=18.04.3&architecture=amd64 and follow the instruction on how to verify the ISO from https://...
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1answer
333 views

How to check if gpg key already exist with bash then skip downloading/adding?

So basically, I want to run these 2 commands but I want to check if the keys already existed. I know how to do the ifthenelse in bash but I'm not sure how to get the result and store in variable for ...
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freight-cache - gpg agent not running

For starters I need to state my experience with Freight and gpg is very limited. I was asked for assistance with this matter. Basically whenever we attempt to serve our apt's via freight-cache, we are ...
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Errors while trying to create a signed local repository in Ubuntu

I am trying to create local signed repo for debian packages on one of our build systems. The intent is that after creating this signed repo, we will ship it as part of our installer along with the ...
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543 views

gpg: keyserver receive failed: Connection timed out with Ubuntu Bionic

Aim: I want to add apt-key to Ubuntu Bionic Environment: Ubuntu Bionic 18.04.3 Command: /usr/bin/apt-key adv --no-tty --keyserver keyserver.ubuntu.com --recv E084DAB9 or /usr/bin/apt-key adv ...
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1answer
152 views

gpgtar missing from Ubuntu 18.04.3

Why do I keep getting "Command not found" when trying to use gpgtar on a fresh install of Ubuntu server 18.04.3? I checked and that command should be part of the gnupg or the gnupg-utils which are ...
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1answer
3k views

gpg: WARNING: unsafe ownership on homedir '/home/user/.gnupg'

I am trying to install Tor Browser following this guide: https://2019.www.torproject.org/docs/debian.html.en on Ubuntu 18.04.3 TLS. When running the following command: gpg --export ...
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Duplicity with GPG 2.1

I am trying to configure daily backups from my computer to a remote server using duplicity, but for some reason duplicity does not want to cooperate with GPG at all. I have never consciously used GPG ...
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Ensure package manager repositories and GPG keys are configured

I want to execute CIS Benchmark tests on my Dell Edge Gateway device with Ubuntu core-16 running on it. Among the test cases two of the particular ones are: Ensure package manager repositories are ...
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341 views

Retrieving gpg key timed out when adding Elmer CSC PPA

I'm trying to install the Elmer csc software on Ubuntu 18.04, and I pasted the command line exactly as it is from their site: sudo apt-add-repository ppa:elmer-csc-ubuntu/elmer-csc-ppa I get the ...
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1answer
350 views

how to get gcc/gpp 6 to 9 onto a Xenial system from behind a firewall with apt and gpg?

i tried getting compilers higher than gcc/gpp-5 for Ubuntu 16.04 (xenial). i added these lines to /etc/apt/sources.list deb http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu xenial main deb-...
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1answer
514 views

gpgkeys: HTTP fetch error 7: couldn't connect: Connection timed out

I'm trying to install mongoDB on my Ubuntu 14 The first step was this sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10 But it showed me below error Executing: gpg --...
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137 views

GnuPG/GPA is broken

Using Ubuntu 18.04.2 LTS. I can no longer import or create GPG keys. GPA returns the following error: The GPGME library returned an unexpected error at gpagenkeysimpleop.c:224. The error was: ...
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How do I fix “premature eof” verifying tor with gpg?

I am trying to verify the latest Tor bundle (tor-browser-linux32-9.0a4_en-US.tar.xz is the package downloaded). No success. Running Ubuntu 16.04, I issued the command: gpg --keyserver pool.sks-...
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1answer
811 views

Unable to configure Kgpg kwalletmanager

Just installed Ubuntu 19.04 minimal with apt install plasma-desktop sddm kwin --no-install-recommends All good. Installed Brave Browser as described here. Now opening brave, it opened "KDE wallet ...

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