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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34
votes
4answers
9k views

Basic desktop actions are not available on Ubuntu 20.04

In Ubuntu 20.04, on the desktop, there is a number of actions I wish I could do, such as, by order of importance : use keyboard shortcuts such as select all, copy / paste. use drag & drop with ...
27
votes
3answers
7k views

Is the “Final Release” a “Development Release”?

Update The official Release Notes appear to have been updated recently (as of writing this the last update appears to have taken place on 3rd of June) to include the following statement: The -d ...
21
votes
2answers
28k views

How to remove GNOME Shell from Ubuntu 20.04 LTS to install other desktop environment from scratch?

I have just installed the final version of Ubuntu 20.04 LTS desktop system from ubuntu-20.04-desktop-amd64.iso. After two days of testing I completely do not like its graphical interface - the GNOME ...
33
votes
3answers
19k views

Fuzzy graphics after upgrading to Ubuntu 20.04

I have recently upgraded Ubuntu 19.10 to latest LTS Ubuntu 20.04. After updating, I get serious artifacts on my screen. Every time I reboot (or log-in), my screen is fuzzy or scrambled (picture ...
47
votes
3answers
11k views

Why isn't an upgrade to 20.04 from 18.04 available yet?

I want to use do-release-upgrade to upgrade from 18.04 to 20.04, but I can't do that do-release-upgrade Checking for a new Ubuntu release There is no development version of an LTS available. It seems ...
42
votes
5answers
27k views

Has 'Ubuntu Software' been renamed to 'Snap Store'?

I updated Ubuntu last night (sudo apt get update && sudo apt get upgrade) and to my surprise this morning I didn't find the 'Ubuntu Software' app and there's a new entry called 'Snap Store' ...
21
votes
4answers
42k views

Can't get RTL8125B working on 20.04

So I did a fresh install of Ubuntu 20.04 on a computer with the new RTL8125B Realtek network card and I cannot get the network to work. I was very suprised since this is supposed to be the new feature ...
28
votes
7answers
83k views

Ubuntu Software doesn't open in Ubuntu 20.04

If i click on Ubuntu Software, it doesn't open. I have a fresh install of Ubuntu 20.04. I tried try to upgrade all packages, but it doesn't fix this problem. If I try to run killall software-center ...
41
votes
14answers
123k views

Ubuntu 20.04 bluetooth not working

I've installed Ubuntu 20.04 and bluetooth is not working for me. But it works in a live session if I boot that from USB. Can anyone help me please? systemctl | grep -i blue output: sys-devices-...
6
votes
1answer
6k views

Failed upgrade from Ubuntu 19.10 to 20.04 “Please update the microcode”

While installing the Ubuntu 20.04 updates during upgrade from 19.10 to 20.04, my screen suddenly went completely white and displayed a message saying Please logout and try again. But I could not ...
17
votes
2answers
2k views

Can't open snap-store

I am trying to open snap-store and it is not opening. This seems to be a problem for opening .deb packages as well. I get this response when I try to open it on a terminal with sudo snap-store: mkdir: ...
21
votes
3answers
21k views

My Applications are not showing after upgrading from Ubuntu 18.04 to 20.04

I did an upgrade today to the latest version of ubuntu. Everything looked good and fine only for me to discover that I cannot find my applications after clicking the 'Show Applications' icon. The same ...
23
votes
7answers
18k views

Only “Dummy output” (sound) in Ubuntu 20.04 after reboot - Broken driver / module

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....
123
votes
12answers
25k views

Problems with Chrome browser after suspending the computer on Ubuntu 20.04

Kubuntu 20.04, 64 bit GPU: Geforce GT610 nvidia-driver-390 Chrome Version 85.0.4183.83 Intel i5-4430, core 4, 4 thread , 3GHz RAM: 16GB Each time I go into suspend mode and then resume, Chrome ...
60
votes
9answers
70k views

Ubuntu 20.04 Network Performance Extremely Slow

I just upgraded from Ubuntu 18.04 to 20.04 on one of the Dell XPS 13 machines, and the network performance is abhorrent. Internet speed is very fast from a google speed test (>300Mb/s for both upload ...
32
votes
3answers
51k views

How do I change login screen theme or background in Ubuntu 20.04?

How can I change the Ubuntu 20.04 login screen theme or background? In the previous version 19.10, I can change it from the CSS file under Yaru theme but now there is no CSS file.
11
votes
3answers
37k views

How do I reinstall Ubuntu Software in Ubuntu 20.04 LTS version?

Recently, I completely erased the old disk data and installed the 20.04 LTS version of Ubuntu. However, Ubuntu software is not working properly. Also I can't even install the software. Please refer to ...
49
votes
8answers
54k views

How to enable hibernate option in Ubuntu 20.04?

I tried different options to enable hibernate in Ubuntu 20.04 but nothing is working. How can I enable hibernate option in Ubuntu 20.04?
9
votes
1answer
15k views

20.04 - How to change the size and appearance of desktop icons and the way they are handled?

I've just upgraded from Ubuntu 18.04 to its newest LTS version - 20.04. While it comes with some interesting changes, the Desktop icon system was messed up in my opinion. When you hover the mouse ...
7
votes
2answers
853 views

Caps-lock remapping stops working

I have caps-lock key remapped to control, which usually works fine, but after some uptime and one/more suspend/awake cycles* this mapping breaks, and caps-lock reverts back to the default behavior -- ...
4
votes
3answers
5k views

20.04 booting .iso from GRUB menu

I'm trying to boot a Ubuntu .iso image from GRUB. In Full Circle magazine, #157 page 61, they describe how to do this. It doesn't work. I edited /etc/grub.d/40-custom, and added the following... # ...
32
votes
8answers
67k views

Ubuntu Software not loading properly

In my freshly installed Ubuntu 20.04 LTS, Ubuntu Software is not loading properly. It is loading only Editor's Picks but nothing else. Installed tab is empty and search is not working as well. My ...
3
votes
1answer
452 views

Ubuntu 20.04 Text splitting and screen flickering

I am a novice Linux user. Today, I turned on my system and found out that whenever I open any system apps (like Setting, Files, even the Terminal), a bunch of text was missing from there, and it was ...
1
vote
1answer
1k views

failed to fetch security undermined error [IP: 91.189.91.38 80] in ubuntu 20.04

First i did sudo apt update and sudo apt-get update worked fine but after doing sudo apt upgrade and sudo apt-get upgrade getting below error sudo apt upgrade Reading package lists... Done ...
52
votes
6answers
48k views

Ubuntu 20.04 no sound out of Bluetooth headphones

This is on a machine I upgraded from 18.04 to 20.04 a few days ago. No issues at all getting sound to play out of headphones on 18.04. The headphones are paired with Bluetooth. I unpaired and ...
21
votes
3answers
36k views

Upgrade to the latest PHP version in Ubuntu

I am using NextCloud in my server and NextCloud informs me that: You are currently running PHP 7.0.32-0ubuntu0.16.04.1. Upgrade your PHP version to take advantage of performance and security ...
27
votes
8answers
58k views

Internal speaker (Audio) is not working in Ubuntu 20.04 LTS after upgrading from Ubuntu 18.04 LTS

I recently upgraded to Ubuntu 20.04 lts from 18.04 lts. After reboot audio is not working. I tried to reinstall pulseaudio and alsa but still not working. sudo apt-get install --reinstall alsa-base ...
21
votes
3answers
64k views

Ubuntu 20.04 black screen after installing, no booting

I´ve just installed 20.04 on my laptop, replacing 19.10. The USB installer process worked perfectly, but after rebooting, I´m getting a black screen right after the grub, with no text, and selecting ...
11
votes
10answers
28k views

Ubuntu 20.04 brightness adjust not working

I am unable to adjust brightness levels through Gnome. I had the same issue with 18.04 but it was resolved there (honestly, I can't remember how). lspci|grep VGA 00:02.0 VGA compatible controller: ...
1
vote
1answer
5k views

Why do I see a message SQUASHFS ERROR:UNABLE TO READ DATA AND PAGE WHILE INSTALLING UBUNTU

Since 2days onwards iam unable to install ubuntu on my windows 10 i am trying to install 20.04 version of ubuntu its appearing like this SQUASHFS ERROR:UNABLE TO READ DATA AND PAGE
31
votes
10answers
67k views

Ubuntu 20.04 does not recognize second monitor

I did a clean install of Ubuntu 20.04 and it is not recognizing my second monitor I have already executed the following commands (I believe that only these worked in version 19.10): sudo apt update &...
7
votes
5answers
16k views

IdeaPad 5 15are05 - elan touchpad not working on 20.04 nor on 18.04

I bought a Lenovo IdeaPad 5 15are05 yesterday and installed Ubuntu 20.04 on it. Problem is, the touchpad doesn't work. I've also tried 18.04 and even Debian 10, but the only OS it works on is Windows....
11
votes
1answer
8k views

Error installing virtualbox-dkms on Ubuntu 20 [duplicate]

Ubuntu 20.04. I installed virtualbox using package; it worked, I created and ran a RM. But then stopped to work after software update. I cannot run the VMs, message says : Kernel driver not installed (...
16
votes
7answers
35k views

Ubuntu screen flickering

I have installed ubuntu 20.04 on my laptop specification are intel i3 6th gen with intel graphics card 520,screen resolution 1366×768. when i lock desktop to temporarily turn off the screen but when ...
3
votes
1answer
1k views

PC started having screen glitches after update

I'm not sure what's caused it. I haven't changed any system settings. The only thing I've done that may have broken something is updating my software. My update was: upgrade linux-generic-hwe-20.04:...
1
vote
2answers
328 views

Where are gnome-shell's UI javascript files on Ubuntu 20.04?

I have found the source code of gnome-shell UI js files on the Debian website: https://sources.debian.org/src/gnome-shell/3.38.2-1/js/ui/ Then I have also found this answer here, which points out that ...
30
votes
11answers
31k views

Printer problems after installing Ubuntu 20.04

After installing 20.04 on my desktop, my printer has stopped working. Printer: HP Envy 5640, connected via USB. hplip installed. cups installed. Any suggestions appreciated. Printer itself is OK as ...
11
votes
8answers
13k views

System settings won't open on Ubuntu 20.04 LTS after adding System76/pop PPA

I'm trying to open System Settings but it won't open in any way. Using GUI, Settings are trying to load for a moment and then they are gone. Using Terminal (gnome-control-center), I get: (gnome-...
9
votes
4answers
24k views

Install Ubuntu 20.04 Focal Fossa with RAID 1 on two devices

I would like to install Ubuntu 20.04 Focal Fossa on a machine with two hard disks using RAID 1. Unfortunately it seems this doesn't work. If I use the "Create Software RAID (md)" option and select ...
1
vote
2answers
5k views

Cannot install Ubuntu 20.04 on Mac mini 2020

I have a brand new 2020 Mac mini (Intel i3 quad core chip). My install (dedicated Ubuntu NO dual boot) fails with the famous; Executing 'grub-install /dev/nvme0n1' failed. This is a fatal error. I ...
2
votes
1answer
13k views

How do I install drivers for the RTL8821CE Network Controller on Ubuntu 20.04?

My Laptop (HP Laptop 14-ck1xxx) came with the RTL8821CE Network Controller. When I run lspci | grep Network I get: 03:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe ...
14
votes
11answers
27k views

Ubuntu 20.04 - No sound

I installed Ubuntu 20.04 LTS and I noticed that I have no sound, I am using Lenovo Legion Y520-15IKBN. I want to continue using Ubuntu and learning about Linux, but having no sound is a kind of a deal ...
8
votes
7answers
28k views

Touchpad stopped working 20.04

I updated ubuntu 18.04 to 20.04. All worked fine for weeks until today. Touchpad on lenovo y580 stopped working just like that. I didn't install any new updates yesterday. Xinput log: Virtual core ...
38
votes
4answers
50k views

Ubuntu 20.04 - how to set lower SSL security level?

I'd like to ask if there's a way to lower SSL security level to 1 on Ubuntu 20.04, since I'm receiving: 141A318A:SSL routines:tls_process_ske_dhe:dh key too small when trying to curl the website. ...
7
votes
3answers
1k views

How to install TortoiseHG with integration to Caja on Ubuntu MATE 20.04 LTS?

On previous systems like Ubuntu 16.04 LTS and 18.04 LTS it was possible. But 20.04 LTS do not have tortoisehg and tortoisehg-caja in the repositories. What to do?
7
votes
2answers
4k views

How do stop Ubuntu 20.04 from upgrading to the 5.8 hwe kernel?

I need my Ubuntu to be stable as I rely on it heavily for my business and uni. I needed to update my google cloud sdk so I run sudo apt upgrade as I have done for the last year with no issues. After ...
10
votes
1answer
5k views

Remove Gnome Notifications or set Permanent Do not Disturb

I am trying to remove the popup notifications completely from Gnome. The notifications I mention are this: I do not wish to see ANY notification at all from any app. Mainly because of 2 things: ...
1
vote
1answer
7k views

Disable Ubuntu 20.04 disk checkup every boot?

I installed Ubuntu 20.04 persistent on my usb. Every time boot, it starts disk checkup. I have to press Ctrl + C every time. I want to disable it permanently. And also for each shutdown it says press ...
32
votes
2answers
11k views

Annoying click/popping sound on Ubuntu 20.04

After installing Ubuntu 20.04 on my desktop computer (Realtek onboard sound card, codec ALC887), I am experiencing a very annoying click (popping sound) every time I open any content with audio.
11
votes
2answers
49k views

Getting the message “[ 0.283078] Initramfs unpacking failed: Decoding failed” when booting ubuntu 20.04 then boots normal

Before, I had problems installing the a200 intel wifi/bluetooth driver which I didn't manage to install properly (I had downloaded it but couldnt use it - I didn't get it running). Then I installed ...

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