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.
703
questions
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answers
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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 ...
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26
votes
6
answers
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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)
[...
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24
votes
2
answers
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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 ...
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24
votes
2
answers
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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?
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20
votes
6
answers
60k
views
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.
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17
votes
1
answer
41k
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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....
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16
votes
1
answer
48k
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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 ...
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16
votes
4
answers
4k
views
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 ...
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16
votes
5
answers
6k
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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) ...
- 11.3k
13
votes
2
answers
19k
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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 ...
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11
votes
5
answers
44k
views
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 ...
- 397
11
votes
4
answers
18k
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LUKS Disk Encryption on Raspberry Pi 4 and Ubuntu Desktop 20.10
Using the pre-installed Ubuntu Desktop 20.10 disk image for the Raspberry Pi 4 (64-bit ARM), you do not get an option to encrypt the disk using LUKS when you install the system, as you do with the x86 ...
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10
votes
4
answers
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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 ...
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10
votes
1
answer
2k
views
Can't find Alt-F5 in Settings/Keyboard Shortcuts
Eclipse uses Alt+F5 to Update Maven Project.
It's worked on earlier versions of Ubuntu, but on 20.10 that key combination is mapped to Un-maximize window, which is also what Super+↓ does.
I cannot ...
- 201
10
votes
4
answers
4k
views
“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, ...
- 849
10
votes
2
answers
35k
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Transaction for graphical.target/start is destructive
After I forcefully turned System off, and then Turned on tomorrow morning, I got :-
Failed to start default target:
Transaction for graphical.target/start is destructive (emergency.target has 'start' ...
- 398
10
votes
1
answer
7k
views
Weird error when trying to install packages with apt
I am trying to install for example mosquitto package with apt
then I do
sudo apt-get install mosquitto
and I get an error
dpkg: error: fgets gave an empty string from '/var/lib/dpkg/triggers/...
- 351
10
votes
4
answers
2k
views
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:
<key id=...
- 1,079
10
votes
2
answers
9k
views
How to add shortcut to .appimage program to the launcher?
This has been asked before but the answer provided isn't valid anymore.
- 2,431
9
votes
4
answers
29k
views
Make my external camera (webcam) as default for Telegram Desktop
I have tried the answer of this post:
sudo snap connect telegram-desktop:camera
However, I cannot make my external camera the one which telegram uses in the video calls. I cannot see the option to ...
- 391
9
votes
1
answer
2k
views
Where is the MinimalCd / mini.iso for Groovy Gorilla?
I have searched all of the internet for this and nothing is helpful. I want the option to select nothing in the software selection page. I need a command-line version of Ubuntu with a GUI. There is ...
- 221
8
votes
1
answer
13k
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xfs filesystem being mounted at /disk supports timestamps until 2038 (0x7fffffff)
I have noticed this in kernel logs (with 20.10):
xfs filesystem being mounted at XYZ supports timestamps until 2038 (0x7fffffff)
This was V4 of the XFS file system. So I thought, I would buy a new ...
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8
votes
1
answer
7k
views
Disabling snapd with systemctl
snapd is enabled by default in Ubuntu as doing a systemctl status snapd quickly reveals which is of course expected. So I tried the following:
$ sudo systemctl disable --now snapd
$ sudo systemctl ...
8
votes
2
answers
4k
views
Can't run shell script by double click in Files (Ubuntu 21.10)
Previously in Nautilus, the problem was solved like this:
How do I run executable scripts in Nautilus?
Now there is no such section and org.gnome.nautilus.executable-text-activation also does'nt work.
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votes
2
answers
21k
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20.04 vs 20.10 and backup questions
I am a new user in Linux distributions, I am running Ubuntu 20.04 on my desktop and I am thinking to operate my laptop with 20.10. Am I going to have any issues with this choise (because I am noob on ...
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7
votes
5
answers
14k
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How to control Logitech G915 TKL keyboard lighting in Linux Ubuntu?
Logitech doesn't have an official driver for controlling the LED effects for Ubuntu. Is there any custom solution working (For example keyleds, openrgb, solaar, libratbag, anything else)?
7
votes
1
answer
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Remaster Installation Image for Ubuntu 20.10
I do remaster the images for installing ubuntu on my computers to have a custom preseed.
But with 20.10 my previous used process and commands did not work
That's the command i used with 20.04:
xorriso ...
7
votes
1
answer
9k
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(Automatically connect eligible plugs and slots of snap "snap-store") stuck
I am new to Ubuntu 20.10... and recently reinstalled snapd and snap-store.
snapd seems to have reinstalled correctly but snap-store stuck on:
Automatically connect eligible plugs and slots of snap &...
7
votes
1
answer
3k
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Ubuntu 20.10 on ThinkPad T14 (AMD). Microphone mute LED always stays on. How can I fix it or turn it off?
I can mute and unmute the microphone just fine, but the white light on the mic mute button (F4) is on at all times. How can I make it respond to the muted/unmuted state of the microphone, or even just ...
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votes
0
answers
21k
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Having SSSD problems at boot since upgrading to 20.10 [duplicate]
I recently upgraded to Ubuntu (Gnome) 20.10 and ever since I have lots of messages like
SSSD failed to start system security daemon
dependency failed for PAM security socker
... and some more ...
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6
votes
1
answer
4k
views
Displayport Sound Delay on Ubuntu 20.04/20.10
I have decided to try switching to Ubuntu in a dual-boot scenario with Windows 10, and things work perfectly overall, but I have encountered one bug that really ruins the experience. I get my sound ...
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6
votes
3
answers
14k
views
error while installing RPi.GPIO as "ERROR: Command errored out with exit status 1:"
i was trying to install rpi.gpio on raspberry pi 4 with ubuntu 20.10 desktop
as follows
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install python-pip python-dev
it gave as
note, selecting '...
- 85
6
votes
2
answers
22k
views
After system repair, snapd service is not running/fails to restart
I have kubuntu 20.10 that was moved from a bad hard disk to a new one. After I managed to get the system running, I have the following problem: any reference to snap (eg. snap refresh) results in the ...
- 243
6
votes
2
answers
3k
views
In Ubuntu 20.10 cpu clock fixed at 800MHz
I'm running into a problem specifically with Ubuntu 20.10 and derivatives where the cpu clock is fixed at 800MHz for all cores.
This happens with a fresh install of Ubuntu, Kubuntu or POP_OS! 20.10.
...
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6
votes
0
answers
13k
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An upgrade from 'groovy' to 'impish' is not supported with this tool [duplicate]
This is the error when I type do-release-upgrade:
Error is An upgrade from 'groovy' to 'impish' is not supported with this tool.
Make sure that I did
sudo-apt-update
sudo-apt-upgrade
sudo sed -...
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6
votes
1
answer
1k
views
GNOME software center hangs when searching for software
Running Ubuntu 20.10.
My software center hangs whenever I search for a software using the magnifying glass.
I have the flatpak extension enabled, it that's relevant.
- 1,105
5
votes
2
answers
6k
views
Strange graphics issues such as flickering application windows and inconsistent display lagging [duplicate]
My computer was acting really strange; the windows were flickering and parts of windows of different applications were partly appearing at random places. Also when I was typing, my computer seemed to ...
- 295
5
votes
1
answer
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views
How do I successfully configure pi-fancontrol on a Pi 4?
I have a Raspberry Pi 4 with Adafruit's Official Case fan, and am running Ubuntu 20.10. I have installed the pi-fancontrol snap, but I can't get it configured using the instructions at https://...
5
votes
1
answer
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Is it possible to convert the system installed from ubuntu-20.10-live-server-amd64.iso to the mini.iso-like system?
I have just installed "minimal" system from the ubuntu-20.10-live-server-amd64.iso ISO.
I'm doing this way because there is no mini.iso for 20.10.
I see that this system is very big (4.6 Gb!)...
- 101k
5
votes
1
answer
2k
views
Add static text to the top bar in GNOME
Is it possible to add some text to the taskbar (e.g. just to the left or right of the date display), preferably just by editing a config file without having to install any extensions?
I am looking to ...
- 173
5
votes
2
answers
5k
views
KeePassXC 2.6.4 addons failure on Firefox and Chrome/Brave /Ubuntu 20.04 and 20.10
I wanted to use KeePassXC as my password manager, it has option to fill out login and password on saved passwords in KPXC database. Here what trouble I get:
Cannot connect to KeePassXC. Check that ...
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5
votes
1
answer
4k
views
Ctrl+alt+shift+R for recording not working Ubuntu 20.10
I tried to record but nothing happens on doing the keyboard shortcut. I changed the shortcut and tried again but nothing happened
Anyone else having this too?
- 1,213
5
votes
2
answers
3k
views
Ubuntu 20.10 installer thinks legacy system uses EFI booting
I have a Lenovo laptop with BIOS configured for legacy (non-efi) boot only. I also have Windows and Suse OS's installed. When I install Ubuntu 20.10 by DVD, it warns me that I don't have an EFI ...
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5
votes
1
answer
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0.431776 Initramfs unpacking failed:Decoding failed (after update from 20.04 to 20.10)
I upgraded to Ubuntu 20.10 from 20.04. Then after restarting it says "Initramfs unpacking failed:Decoding failed."
The screen says:
[0.431776] Initramfs unpacking failed: Decoding failed
/...
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5
votes
0
answers
873
views
Bluetooth mouse constantly fails to reconnect after sleep, Ubuntu 20.10
Bluetooth Mouth work fine until sleep. After resuming from sleep however, the mouse will try to reconnect then, failing that, turns itself off.
This issue arose only after updating to 20.10 (from 20....
- 1,701
5
votes
0
answers
419
views
Thunderbird not starting with kernel 5.8.0-26
I am on Ubuntu 20.10 having upgraded from 20.04
And have just done the latest updates this included Kernel 5.8.0-26-generic.
However, on re-starting the machine, Thunderbird won’t start anymore.
I get ...
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4
votes
5
answers
10k
views
System is unusable after upgrade to 20.10 - i915 GPU hang
I have a Lenovo G710 laptop that ran Ubuntu flawlessly since 15.04.
After updating to 20.04 there were occasional random complete freezes of the desktop. Having updated to 20.10, it now boots okay and ...
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4
votes
1
answer
4k
views
Albert hotkey (shortcut) didn't work in Gnome Terminal or Gnome Terminator
I'm on Ubuntu 20.10 with Gnome Wayland session.
I have installed Albert (version 0.17.2) and I have setup Ctrl+Alt+Space Albert hotkey.
In Gnome Tweaks, I have enabled « Ctrl position - Swap Left Win ...
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4
votes
3
answers
4k
views
Out of space on boot zpool and cant run updates anymore
I recently wiped my box and installed 20.10 which i love and is amazing! This time i decided i wanted to live on the edge and use the experimental zfs support but after some time installing packages ...
- 221
4
votes
2
answers
7k
views
Synaptics 6cb:00df fingerprint sensor not working
I recently got a new HP Elitebook G7 laptop and I installed both Windows and Ubuntu in a dual-boot configuration. I tried 20.04 and then moved to 20.10 but I have the same issue no matter the version.
...
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