Linked Questions
11 questions linked to/from GPG error: The following signatures couldn't be verified because the public key is not available
614
votes
15
answers
1.2m
views
How do I fix the GPG error "NO_PUBKEY"?
I added some extra repositories with the Software Sources program. But when I reload the package database, I get an error like the following:
W: GPG error: http://ppa.launchpad.net trusty InRelease:...
14
votes
1
answer
25k
views
W: GPG error: The following signatures couldn't be verified because the public key is not available [duplicate]
On my Ubuntu 14.04, I followed http://mirror.its.dal.ca/cran/bin/linux/ubuntu/README to add the following to /etc/apt/sources.list
deb http://stat.ethz.ch/CRAN/bin/linux/ubuntu trusty/
When I run ...
0
votes
0
answers
1k
views
W: Target Packages (Packages) is configured multiple times in /etc/apt/sources.list:51 and /etc/apt/sources.list.d/sublime-text.list:1 [duplicate]
Ran: sudo apt-get update
Output:
.
.
.
Reading package lists... Done
W: Target Packages (Packages) is configured multiple times in /etc/apt/sources.list:51 and /etc/apt/sources.list.d/sublime-text....
120
votes
4
answers
132k
views
How do I deal with "unauthenticated sources" errors in the Software Center?
Any install that I'm trying through the Software Center is telling me:
Requires installation of untrusted packages: The action would require the installation of packages from not authenticated ...
49
votes
2
answers
114k
views
W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not available:
I get the following error when i do sudo apt-get update
W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not available: ...
18
votes
3
answers
17k
views
Intel graphic ppa error after apt-get update
how can i ignore this message?
W: GPG error: https://download.01.org/gfx/ubuntu/16.04/main xenial InRelease: The following signatures couldn't be verified because the public key is not available: ...
3
votes
0
answers
7k
views
How to fix GPG error for extras.ubuntu.com oneiric Release? [duplicate]
Possible Duplicate:
What is the easiest way to resolve apt-get BADSIG GPG errors?
Some days ago my apt-get update has suddenly began to throw
W: GPG error: http://extras.ubuntu.com oneiric ...
2
votes
1
answer
933
views
How to handle phalconphp GPG issue
I'm trying to update my nodejs installation, and phalconphp is getting in the way. When I run apt-get update, I get this complaint
Err:13 https://packagecloud.io/phalcon/stable/ubuntu xenial ...
1
vote
2
answers
2k
views
How do I install a specific lower minor version of gcc using package manager?
I am running an Ubuntu 14.04-4 64bit. gcc --version returns
(Ubuntu 4.8.4-2ubuntu1~14.04.1) 4.8.4
Yet, I need version 4.8.2-10.
What I tried:
I found the specific gcc version in a debian snapshot ...
0
votes
0
answers
293
views
apt-get giving warnings on programs I've uninstalled
I uninstalled a program using the command
sudo apt-get --purge remove programName
but when I ran sudo apt-get update it still return errors on that program's keys. So I then uninstalled the program'...
0
votes
1
answer
118
views
Can't update anything on computer, getting GPG error [duplicate]
I tried to download Spotify for Linux a few days ago and I made a small error and it caused a message which kept me from downloading Spotify. After 2 hours I realized the mistake and I was to download ...