Questions tagged [20.04]

Ubuntu 20.04, also known as Focal Fossa, is an LTS version released on 23rd April 2020. Will go End Of Life (EOL) April 2025. Only use this tag if your question is version-specific. Don't use this to file bugs!

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Ubuntu 20.04 wireless mouse sleeps after some time of inactivity and don't wake up

I have a wireless mouse (delux M618 plus) that has worked fine until now. After some time of inactivity it used to sleep and then wake up when I pressed any button. But now, it doesn't wake up any ...
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Ubuntu 18.04 add package management

I am facing the issue past from four days please any help from community. When I run command to download or upgrade am getting below error. Building dependency tree Reading state information... ...
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Ubuntu Software/Snap store nonresponsive outside of opening screen on 20.04

This is snap-store, not gnome-software. Whenever I try and do anything in the Ubuntu Software app, like search for an app or click one of the editor's picks, it sits at the loading circle animation ...
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Ignores mouse input for periods at a time

Fairly fresh 20.04 installation, and my mouse worked fine a week ago, but at some point the mouse started acting up. I usually discovers it by clicking and nothing happens. Then I click again, and ...
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I have problems with bluetooth mouse and bluetooth headphones simultanously in Ubuntu 20.04

When starting up Ubuntu 20.04 on my laptop (a Dell XPS-9343), my mouse (a Logitech MX Anywhere 2) connecting successfully - only a few warnings are in the log ( bt_uhid_send: Invalid argument (22) ). ...
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Unattended upgrades triggering silent reboot

A few times over the past few weeks I've been working and suddenly my desktop disappears and my machine completely reboots. Having had it happen again this morning I've traced through the syslog and ...
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Disks 20.04 Seagate SSHD Error

I have a 4 and a half year old PC running Ubuntu 20.04 with a Seagate SSHD (hybrid drive) 2tb. Over the last month sometimes I start it up to a flashing cursor (happens more often since 20.04). I just ...
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bash git tab completion fails when adding new files in subdirectory

In bash: mkdir bug cd bug git init mkdir foo touch foo/test Now, when I type git add and press <TAB> multiple times. The first tab will complete to foo/, but subsequent tabs will add ./ ...
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Paper stucks in HP 3545 printer in between printing not completing completely

Is anyone else facing this issue or anyone able to work fine with HP 3545 printer? I am using printer on Ubuntu 20.04 even downloaded supporting HPlip but still the printer is not working correctly, ...
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linuxtv / media_linux: Cannot get two DVB adapters working (DVBSky S960 + S960C) (Ubuntu 20.04 LTS)

I am seeking help to get my two usb dvb apatders back up and running (DVBSky S960 + S960C). System is a RPi with Ubuntu 20.04 (5.4.0-1013-raspi). lsusb shows both devices connected: Bus 001 Device 005:...
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Unable to detect Wifi Adapter. Ubuntu 20.04 . Razer Blade 2019: Intel AX-200

I am new to Linux-Ubuntu and I am currently dual booting with windows. I had no issues with wifi initially but lately my system could not detect the wifi adapter. I tried a couple of solutions from ...
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What are these hidden files? namely .gnupg, .local, .mono, and .pki? [duplicate]

So I was looking at the files in my computer and I happened to stumble upon the hidden files. What are these hidden files? namely .gnupg, .local, .mono, and .pki?
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USB Fan causing shutdown failure when connected

In short, my USB laptop fan is causing a shutdown failure, as it can’t turn the port off. When unplugged during shutdown, the laptop shuts down perfectly fine. However, when I try and shut it down ...
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Ubuntu 20.04 LTS dock's “Show Applications” only showing first page

The Ubuntu 20.04 LTS dock's “Show Applications” is only showing the first page of installed applications. The "Frequent" selection is working fine but when "All" is selected the ...
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20.04 just uninstalled my Chromium Version 83.0.4103.97 what did I do to allow that

How did I allow my Chromium Version 83.0.4103.97 to be uninstalled or did I? Also with 20.04 why did I just see for the first time the message about 75 and above Chromium only available to Ubuntu ...
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Ubuntu 20.04 “Ubuntu Software” tells me there's an update to Core 18

I've been running 20.04 since it came out. Today, the Ubuntu Software app is telling me that there's an update to Core 18 ("Runtime environment based on Ubuntu 18.04"). I don't have a update ...
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Ubuntu Kernel 5.7.1

My new laptop came with Ubuntu 20.04 (Kernel 5.4). I get occasional notifications that Kernel 5.7.1 is available, but it doesn't appear as an option when I update my software. What is the story here?
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Non-existent audio devices show on list

I have some audio output device named "Analog Output - Built-in Audio" which lurks in every list of output audio devices even though nothing is connected other than the built-in speakers/...
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libsnmp-perl 20.04 can not install

I can not install package libsnmp-perl. I hope that the text I pasted is helpful. Distributor ID: Ubuntu Description: Ubuntu 20.04 LTS Release: 20.04 Codename: focal Using sudo apt-...
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Difference between partitioning options in the mini installer

Ubuntu 20.04 mini installer iso, partitioning screen What is the difference between Guided - reuse partition... (green arrow) and Guided - use entire partition... (blue arrow) ??
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Check correct installation/compoling

How to know install/compile a code like quantum-espresso correctly on Ubuntu 20.04?
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How can I remove “CD/DVD Creator Folder” from Favorites [duplicate]

The "CD-RW" icon in Favorites does not have a "Remove from Favorites" right-button menu item -- so how can I remove it from favorites?
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alt keys broken after upgrading from Ubuntu 18.04 to 20.04

I recently upgraded to 20.04 LTS from 18.04 LTS and now both my left and right alt keys are not working when I try to use them for any keyboard shortcuts. I had no issues before upgrading. My keyboard ...
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tracker-miner-fs is taking 90% of cpu

tracker-miner-fs is taking 90% of CPU. I am using ubuntu 20.04.
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Upgraded Ubuntu 18.04 to 20.04 and crashes at login screen

Translated from Portuguese: I was using version 18.04 and formatted and installed version 20.04, and now when I turn on the computer and the screen to enter the password appears, after I enter the ...
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Ubuntu 20.04 upgraded some network-manager packages, now problems are ensuing

First of all, these issues only started on 20.04 after a recent network-manager upgrade (and the related components such as network-manager-gnome) and this is a laptop, HP envy m7-n101dx running 20.04....
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Thai X Terminal installed in Ubuntu 20.04

I have noticed this thing today. Before that, I use to open a terminal by Ctrl+Alt+A. I installed "Termius" and to open the "Termius", I searched the term & got this. Does ...
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Kbuntu 20.04 shuts down when lid is closed

I have an ASUS X555Y running Kubuntu 20.04. Yesterday it started shutting down when I close the lid. I have checked the power management settings and they are all correct - didn't expect anything else ...
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How to make a mouse button click last exactly a certain period of time?

I want it such that when I click on my mouse5 button (logitech G203), the input lasts exactly 10 ms, regardless of how long I actually click. Is that possible?
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“You are not the owner” after upgrade Ubuntu 18.04 BIOS to 20.04 UEFI

I wanted to convert a Ubuntu 18.04 BIOS to Ubuntu 20.04 UEFI. To do this in (what I thought was) the most efficient approach, I physically removed the secondary storage SSD and used the option to &...
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Unbuntu 20.04 freezes when booting not connected to thunderbolt device

When I try to boot into Ubuntu and my laptop (Dell Latitude 7400) is disconnected to thunderbolt dock (Dell WD19TB) it just freezes and a black screen shows up. after a few seconds the fan will work ...
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How can I warn before installing snaps (Bionic, Focal)?

I (almost) never want to install snaps, and if I do by mistake, almost always end up uninstalling and reinstalling a proper version. Not being able to turn pdftk in /tmp/ or jupyter over a network ...
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Razer USB audio controller not working

i cannot use any type of audio from pc or Razer USB controller (the one from Razer Kraken 7.1 package) my system does see only these https://imgur.com/a/YkBEc7M i am on 20.04 LTS Focal Fossa on ASUS ...
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Mitmproxy won't work on mobile Apps

Mitmproxy is not working on Android apps. It seems like the app isn't connected to the internet when the proxy is enabled. I've installed the ca-certificate, and it's working on the browser but not on ...
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after grub opening it shows some codes and then ubuntu 20.04 starts normaly solution for the problem?

I've installed ubuntu 20.04 as single operating system. In normal boot in my laptop after grub chooses the operating system it shows some codes and then system start normally. This happens everytime ...
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Livepatch is not available for this system (Ubuntu 20.04)

I've installed Ubuntu 20.04 last night, logged into Ubuntu One, after which Livepatch was working as intended, without any issues. This morning I went into Software & Updates to check on some ...
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Keyboard and trackpad unrepsonsive after opening lid to wake on Ubuntu 20.04

After upgrading from Ubuntu 18.04 to 20.04, the keyboard and trackpad on my Dell laptop become unresponsive after the computer has been closed and reopened. That is, after sleep then wake. The touch-...
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How to install mongo 3.4 on ubuntu 20?

I have tried following commands. sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 0C49F3730359A14518585931BC711F9BA15703C6 echo "deb http://repo.mongodb.org/apt/ubuntu xenial/...
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Install Realtek Audio drivers in Ubuntu 20.04 (Intel Nuc nuc10i7fnh)

Is there an official source of Realtek Audio Drivers, that can be installed on 20.04 (a NUC, if that matters)? And what are the installation instructions? I have installed Ubuntu 20.04 on an Intel NUC ...
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Update Xubuntu 18.04 32 bit

I want to know if it is possible to update to Xubuntu 20.04 since I can't find a 32-bit version. If I update through the terminal with $ sudo apt update && sudo apt -y dist-upgrade, will the ...
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Docker only works with Nvidia drivers upon reinstall

Ubuntu version 20.04 LTS NVIDIA driver and related package like cuda are all installed properly. Running nvidia-smi and cuda code fine. Docker related NVIDIA packages are installed too (NVIDIA ...
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Ubuntu 20.04 freeze on different videoconferencing tools

this is my first Ubuntu forum question. I hope I am asking the right place. Summary of the issue: I just installed Ubuntu 20.04 LTS on a brand new computer. The computer freezes when doing video ...
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Make PulseAudio switch to headphones when inserted

I have a Dell Latitude 3540 with Lubuntu 20.04 LTS. Possibly similar to Make PulseAudio prefer external audio device and Internal microphone doesn't work when using headphones, I bought a pair of ...
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Bullets disappeared from presentations in LibreOffice, might be a font issue?

I have on my disk quite a lot of old presentations from earlier versions of OpenOffice (.odp format) and even StarOffice (.sxi format). When viewed in OpenOffice on my old computer (OpenOffice 3.2.0, ...
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How can I tell why 20.04 is crashing?

For the past week or so, Ubuntu 20.04 randomly freezes (3 or 4 times a day) on my Dell XPS Developer Edition laptop. All I can do is hold down the power button to manually turn off the machine and ...
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PC boots to grub console after booting Windows, but `exit` still leads to Windows

I have a Dell Precision 5540. I decided to try my hand at installing Ubuntu 20.04 as a dual-boot with the pre-installed Windows 10, and at first, it worked. It rebooted to Grub following the ...
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Only Dummy output in Ubuntu 20.04 after reboot

I am using Ubuntu 20.04 for over a month now. After a reboot, I have no more sound and WiFi. Note that this is different from many other posts, which seem to have had no sound at all, after an upgrade....
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Opening Android Virtual Device raises microphone amplification

Ubuntu 20.04. Opening any android virtual device on Ubuntu 2.04 raises the microphone amplification to 100%. Is there any solution for this?
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Cant see my applications after login

I am new to Ubuntu Studio, and once I log in, the start menu, as well as all the applications on my screen scramble or "glitch" together making everything unclickable or unilegible. Please ...
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User named “Guest” in user list of LightDM greeter

Actually I have two of them. They are not visible in the "Users Settings" tool and there is nothing about them in /home. I guess they exist due to unclean exits from guest-sessions I had to ...

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