Linked Questions
14 questions linked to/from Why am I getting authentication errors for packages from an Ubuntu repository?
3
votes
1
answer
11k
views
Packages cannot be authenticated [duplicate]
Anytime I install a new package i get the following error:
WARNING: The following packages cannot be authenticated!
I can still install the package despite this error, but is there a way to get rid ...
- 51
1
vote
0
answers
4k
views
Why am I unsuccessful in upgrading from 10.04 to 12.04? [duplicate]
A day after the "flummoxed" below, I concede defeat. My laptop will remain on Lucid Lynx until I get a new one. I appreciate people's suggestions and have tried what I could, but do-release-upgrade ...
- 11
0
votes
1
answer
65
views
Error with installing software [duplicate]
I just Install Ubuntu 14.04 LTS, and install the required software, its smooth . But in the mean time, I am trying to install all software by Aptik . and this time , a problem occur. After this , ...
- 469
24
votes
1
answer
62k
views
GPG ERROR NO_PUBKEY : WARNING: The following packages cannot be authenticated! [closed]
I have just stared to receive some strange errors regarding GPG keys. Namely I have just added ppa:ubuntu-toolchain-r/test and wanted to update and after that I got this:
W: GPG error: http://extras....
- 9,156
31
votes
2
answers
50k
views
WARNING: The following packages cannot be authenticated. `apt-key update` doesn't work
I'm trying to install bitcoind by simply doing sudo apt-get install bitcoind, but I get this error saying that the following packages could not be authenticated:
libdb5.1++ libcrypto++9 bitcoind
I ...
- 2,143
14
votes
2
answers
2k
views
Are all Ubuntu update download servers HTTP only?
In Update Manager's software sources, the option exists to choose a download server and protocol like shown below.
Do all updates download via HTTP only?
And if HTTPS (or SFTP) aren't supported, why ...
- 13.1k
4
votes
1
answer
12k
views
warning: the following packages cannot be authenticated!
I am trying a local installation of the juju charms.
Deply charm on machine1
copy deb files from /var/cache/apt/archive to /root/test on machine2
Modify the /etc/apt/sources.list to /root/test
apt-...
- 125
1
vote
1
answer
2k
views
16.04 Gimp packages cannot be authenticated
I'm trying to install the most stable, boring version of GIMP available, without adding special repositories. I'm assuming the correct way to do this is sudo apt install gimp. Unfortunately, I'm ...
- 163
1
vote
2
answers
2k
views
Should I install exo-utils to search Google from the terminal?
I entered this command on my terminal:
google query to search
and it responded by saying that the program exo-utils is missing on my computer. When I tried to install it, the response was
WARNING:...
1
vote
2
answers
1k
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Unable to run 'sudo apt-get dist-upgrade' due to authentication issues (Plesk repository)
I've just attempted to run sudo apt-get dist-upgrade on my Ubuntu
box, but am getting the following error...
WARNING: The following packages cannot be authenticated!
librdbmspp php5-ioncube-loader ...
- 111
1
vote
2
answers
696
views
I get this message when I try to install software in the Software Center Ubuntu 12.10. No fixes I saw here helped
Software can't be installed or removed because the authentication
service is not available. (org.freedesktop.PolicyKit.Error.Failed:
('system-bus-name', {'name': ':1.168'}):
org.debian.apt....
- 193
0
votes
1
answer
280
views
Package authentication errors in 16.04
Trying to update my 16.04 desktop install, I get package authentication errors for grub (details below). I also get authentication errors when trying to install other packages (sound-juicer and ...
- 307
0
votes
0
answers
154
views
getting error on command sudo apt-get update when trying to update npm version [duplicate]
i am getting error after using this command
sudo add-apt-repository ppa:chris-lea/node.js
sudo apt-get update
sudo apt-get install nodejs
errors i am getting on sudo apt-get update:
W: The ...
- 133
1
vote
1
answer
108
views
How does ubuntu ensure software security bfrom external developers [duplicate]
I was reading on the hack against the Transmission Bittorrent Client. http://arstechnica.com/security/2016/03/first-mac-targeting-ransomware-hits-transmission-users-researchers-say/
It got me ...
- 3,381