Linked Questions
36 questions linked to/from How to fix apt: Signature by key uses weak digest algorithm (SHA1)?
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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 ...
- 115k
2
votes
1
answer
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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:...
- 115k
-1
votes
1
answer
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sudo apt-get install got Unmet dependencies result [duplicate]
I have this error on Linux ubuntu 4.4.0-198-generic #230-Ubuntu SMP Sat Nov 28 01:30:29 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux:
$ sudo apt-get -f install`
Reading package lists... Done
Building ...
- 115k
0
votes
1
answer
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Can't Install Runescape (Broken Packages?) [duplicate]
Here is my Terminal readout.
wublyfe@wublyfe-K53E:~$ sudo -s -- << EOF
> wget -O - https://content.runescape.com/downloads/ubuntu/runescape.gpg.key | apt-key add -
> mkdir -p /etc/apt/...
- 115k
0
votes
2
answers
228
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Having trouble running update through terminal [duplicate]
After typing sudo apt-get update which I've done quite a bit in the past few months, (I am a new Linux user and kind of went in head first to try to teach myself) the two different error messages I'm ...
- 115k
3
votes
0
answers
2k
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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 ...
- 115k
0
votes
1
answer
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ubuntu 16.04 apt-get update error: File not found - /var/cuda-repo-8-0-rc/Packages [duplicate]
When I execute sudo apt-get update in Terminal, this error message appears. Can anyone help me?
Get:1 file:/var/cuda-repo-8-0-rc InRelease
Ign:1 file:/var/cuda-repo-8-0-rc InRelease
Get:2 file:/var/...
CommunityBot
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39
votes
2
answers
101k
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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 ...
- 41
3
votes
2
answers
13k
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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
...
- 198k
0
votes
2
answers
2k
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How can I get `apt-get update` to reflect error status in its exit code? [duplicate]
When running sudo apt-get update -q, sometimes I see things like
Err:23 http://ppa.launchpad.net/chris-lea/redis-server/ubuntu precise/main i386 Packages
Could not connect to ppa.launchpad.net:80 (...
3
votes
0
answers
5k
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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-...
0
votes
1
answer
954
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GPG error and apt-secure(8) errors. Unsigned keys and no release file [duplicate]
I have followed multiple threads to solve mainly the key errors and the apt-secure(8) error.
For the key issue I have downloaded y-ppa manage but to my knowledge all it may have done is reduce the ...
8
votes
1
answer
4k
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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 (...
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2
votes
1
answer
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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 ...
- 19.3k
0
votes
1
answer
838
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Errors on trying to update and upgrade Ubuntu 16.04 LTS [duplicate]
Upon trying to update using sudo apt update I get
Hit:1 http://gb.archive.ubuntu.com/ubuntu xenial InRelease
Get:2 http://gb.archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB] ...
