Linked Questions
36 questions linked to/from How to fix apt: Signature by key uses weak digest algorithm (SHA1)?
39
votes
2
answers
101k
views
Upgrade path from 16.04 to 20.04 LTS without GUI change
The situation:
I have a couple of machines with modern hardware running 16.04 mainly used for scientific computations. With the new LTS on the horizon, I am looking to upgrade
them to 20.04 with ...
11
votes
3
answers
23k
views
Key uses weak digest algorithm [duplicate]
I'am getting this kind of message while updating my ubuntu 16.04 LTS:
W: http://dl.google.com/linux/chrome/deb/dists/stable/Release.gpg: Signature by key 4CCA1EAF950CEE4AB83976DCA040830F7FAC5991 uses ...
8
votes
1
answer
4k
views
reprepro: Signature by key uses weak digest algorithm (SHA1)
I'm hosting some internal repositories using reprepro.
After the upgrade of the clients to Ubuntu 16.04, apt-get update gives a warning "InRelease: Signature by key ... uses weak digest algorithm (...
4
votes
0
answers
1k
views
Ubuntu 16.04 updating Google Chrome gets weak digest and hash sum mismatch messages [duplicate]
So for a while now whenever I run sudo apt-get update I have been getting some output regarding google-chrome similar to:
W: http://dl.google.com/linux/chrome/deb/dists/stable/Release.gpg: Signature ...
3
votes
2
answers
13k
views
How to handle "invalid signature" in apt-get
Following an update to Focal, I had to revisit /etc/apt/sources* to update my third party repositories.
One of the reposities is for the Yorba PPA at: https://launchpad.net/~yorba/+archive/ubuntu/ppa
...
3
votes
0
answers
5k
views
Can't install CUDA 9.2 - Unable to locate package cuda [duplicate]
I have followed the installation steps described in this link using the package manager installation method for Ubuntu 16.04
I have a GeForce GTX 960M
gcc --version returns: gcc (Ubuntu 5.4.0-...
3
votes
0
answers
2k
views
apt-get update fails on Ubuntu 16.04 when I enable the google music manager ppa [duplicate]
Seems as if the pre-16.04 security key security is no longer sufficient. I'm not sure what to do to fix this. Or is this something google needs to fix on their end?
moorepants@parvati:~$ sudo ...
2
votes
2
answers
3k
views
Software Updater Issue 16.04
Whenever I click on software updater it says Failed to download repository information.
It's been saying this for the past few days now and I don't know why, my Internet connection is fine, I am able ...
2
votes
1
answer
17k
views
How to fix the error, while updating my package list in Ubuntu 16.04? [duplicate]
I get this error when I try to update my Ubuntu 16.04. I already tried few solutions but nothing worked so far.
Error:
W: http://archive.canonical.com/ubuntu/dists/precise/Release.gpg: Signature by ...
2
votes
1
answer
4k
views
Updating Ubuntu & understanding errors thrown by APT
I am new to Ubuntu but I recently started using Ubuntu on my laptop for almost everything.
I executed sudo apt-get update to update my system, but I do not understand the output. I don't know whether ...
2
votes
1
answer
3k
views
Red triangle with an exclamation mark Ubuntu 16.04
so I'm running Ubuntu 16.04 and the red exclamation mark just appeared.
What can I do??
but everything is up to date on the computer
here's what I get, when I use the update/upgrade command:
Ign:...
2
votes
1
answer
1k
views
W: Invalid 'Date' entry in Release file /var/lib/apt/lists/partial/_var_cuda-repo-8-0-local_Release [duplicate]
When I run
$ sudo apt-get update
I get
sudo apt-get update
Get:1 file:/var/cuda-repo-8-0-local InRelease
Ign:1 file:/var/cuda-repo-8-0-local ...
2
votes
1
answer
2k
views
Signature uses weak digest algorithm [duplicate]
I'm new in Ubuntu 16 and want to know, how to fix this problem.
Reading package lists... Done
Building dependency tree
Reading state information... Done
4 packages can be upgraded. Run 'apt ...
2
votes
1
answer
4k
views
ubuntu 16.04 : getting signature by key uses weak digest algorithm (sha1) [duplicate]
New on Ubuntu ..
I'm getting these warning after
$ sude apt-get update
W: http://archive.canonical.com/ubuntu/dists/precise/Release.gpg: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 ...
1
vote
2
answers
82
views
Is this prompt a problem please excuse my ignorance [duplicate]
W: http://dl.google.com/linux/chrome/deb/dists/stable/Release.gpg: Signature by key 3B068FB4789ABE4AEFA3BB491397BC53640DB551 uses weak digest algorithm (SHA1)
W: There is no public key available ...