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Questions tagged [20.10]

Questions about 20.10 are off-topic on Ask Ubuntu. Ubuntu 20.10 (Groovy Gorilla) was a non-LTS version released on October 22, 2020. It became End Of Life (EOL) on July 22, 2021.

Ubuntu 20.10 (Groovy Gorilla) was released on October 22, 2020 and became EOL (End Of Life) on July 22, 2021. Questions about 20.10 are off-topic on Ask Ubuntu.

Notable features include:

  • Linux kernel 5.8
  • Gnome 3.38, including:
    • BlueZ 5.55
    • NetworkManager 1.26.2
  • nftables is now the default backend for the firewall.
  • Ubuntu 20.10 is the first Ubuntu release to feature desktop images for the Raspberry Pi 4

Release notes

716 questions
44
votes
3 answers

Screen share show black screen after upgrade from Ubuntu 20.10 to 21.04

Screen share shows just a black screen after the upgrade from Ubuntu 20.10 to 21.04. It was working fine until 20.10. Tried in Google Chrome, Firefox, etc. all of them shows just the black screen. It is not related to the browser. Any idea how to…
yottabrain
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24
votes
2 answers

How do you install CUDA 11 on Ubuntu 20.10 and verify the installation

There seem be be several options to install CUDA on Ubuntu 20.10: It is pre-bundled with 20.10, there are various installers at the official NVIDIA page, etc. Question: What is a recommended way to install CUDA 11.X on Ubuntu 20.10, and how do I…
B0rk4
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20
votes
2 answers

VMX (outside TXT) : disabled by bios

I got VMX (outside TXT) disabled by bios Ubuntu20.10 :clean,... files,...blocks when I boot into Ubuntu 20.04. It's little annoying What this message means and how can I remove it?
Parag Katoch
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18
votes
5 answers

How to uninstall dotnet from Ubuntu 20.10 completely?

I have installed dotnet on my Ubuntu 20.10 but for some reason I want to remove it but I don't know how to do it please help.
Gaurav
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17
votes
4 answers

VLC crashes on startup: Qt: Session management error: Could not open network socket

I using Ubuntu 20.10. All of a sudden, VLC cannot be started. When trying to run it through the command line, I get: $ vlc VLC media player 3.0.12.1 Vetinari (revision 3.0.12.1-0-g170157402b) [00005573fa81cb40] main libvlc: Running vlc with the…
Uri
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16
votes
1 answer

How to solve apt-key deprecated?

I'm using Ubuntu 20.10 and I'm trying to get the latest signature-key and when I do that I get these lines: root@kubernetes-worker:/home/jonteyh# curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add - % Total % Received %…
Jonte YH
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16
votes
5 answers

Viber executable crashes on Ubuntu 20.10 / 21.04

I have been using Viber for Desktop (the official .deb package downloaded from https://download.cdn.viber.com/cdn/desktop/Linux/viber.deb ) for at least 4 normal Ubuntu versions (18.10 through 20.04) with no problem. A few days ago I upgraded from…
FedKad
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15
votes
1 answer

Ubuntu 20.10 sssd (System Security Services Daemon) failure

Don't know why, but they decided to add sssd (System Security Services Daemon) to the standard Ubuntu 20.10 upgrade and fresh install. It fails to start, and generates lots of error messages. It's not configured at install time, as it's missing the…
heynnema
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12
votes
3 answers

How can I create desktop entry for an AppImage?

I want to create desktop entry for Inkscape AppImage. I'm having some issues because I don't have all MimeTypes or an clear idea about running that kind of app on desktop entry. Does anyone knows how can I achieve such thing?
AtomX
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12
votes
2 answers

Kolourpaint missing all icons on Ubuntu 20.10

Kolourpaint is missing icons in the tools pane on Ubuntu 20.10 when installed using sudo apt install kolourpaint. Is there a solution that does not require using the snap version or changing the system icon theme?
Enterprise
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11
votes
5 answers

libffi.so.7: cannot open shared object file: No such file or directory

I just upgraded to ubuntu 20.10 and when I tried to work with rails app that was working perfectly fine earlier started to show this error. LoadError: libffi.so.7: cannot open shared object file: No such file or directory -…
MH Sagar
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10
votes
2 answers

Missing AACS configuration file" error when playing blueray movies

I'm on ubuntu 20.10, and I keep getting this error code whenever I try to play a bluray movie in VLC media player Missing AACS configuration file I don't know what to do, and I was wondering if anyone has encountered this problem and how to fix it,…
how to ubuntu
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10
votes
4 answers

“Emoji Choice” popup (Ctrl-Shift-E) stopped working in 20.10

In previous versions of Ubuntu, one could press Ctrl-Shift-E in any text input area to activate the “Emoji Choice” popup – see, for example, these answers to “What does [Ctrl] + [Shift] + [e] do, while typing text?” or “How to insert an emoji into a…
Socob
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10
votes
4 answers

After upgrade to 20.10 Thunderbird stops with parsing error

When starting Thunderbird in Ubuntu 20.10 an error message is displayed XML Parsing Error: undefined entity Location: chrome://messenger/content/messenger.xhtml Line Number 905, Column 3:
Tommy Pollák
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9
votes
5 answers

How to test the microphone on a laptop?

Everything here works so far -- in that, crucially, the sound plays back. How is the microphone itself tested? nicholas@gondor:~$ nicholas@gondor:~$ sudo aplay -l **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0:…
Nicholas Saunders
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1
2 3
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