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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124
votes
12answers
26k 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 ...
70
votes
3answers
32k views

Big /var/log/journal?

I don't understand why the /var/log/journal/ folder is so big. For example, by executing the command systemctl -f, i see the fill. If I click on an email on Thunderbird, it generates dozens of lines ...
62
votes
9answers
78k 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 ...
59
votes
8answers
61k 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?
57
votes
6answers
52k 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 ...
57
votes
9answers
13k views

4 clicks to shut down Ubuntu - can we reduce this?

Ubuntu 20.04 has decided we need 4 clicks to shut down: Click top right of screen arrow-down Expand "power off/logout" panel Click "Power off" Confirm you want to power off by choosing power off vs ...
54
votes
6answers
71k views

Problem installing .deb in Software Install Ubuntu 20.04

I tried to install some .deb files in Ubuntu 20.04 from GitHub and other internet sources, but when I open it with Software Install it gives me this problem (Failed to install file: not supported). ...
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 ...
45
votes
4answers
42k views

How to install docker community on Ubuntu 20.04 LTS?

When I followed the community docks I came across the following issue: sudo add-apt-repository \ > "deb [arch=amd64] https://download.docker.com/linux/ubuntu \ > $(lsb_release -cs) \ >...
45
votes
14answers
135k 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-...
43
votes
5answers
29k 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' ...
42
votes
2answers
7k views

Ubuntu 20.04: Why does turning off “wi-fi can be turned off to save power” turn my wi-fi off?

The following item in Power...Settings... states: Wi-Fi can be turned off to save power You can see that the option is currently turned on. That should mean that the system is allowed to turn off ...
41
votes
3answers
35k views

Ubuntu 20.04 Gnome Very slow

I have just upgraded to 20.04 without any issues, however, Gnome is painfully slow 2second delay with every action, apps take an age to open, terminal takes 2 sec to scroll through the history one ...
40
votes
4answers
56k 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. ...
39
votes
8answers
77k 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 ...
37
votes
6answers
13k views

Slack suddenly stopped working on Ubuntu 20.04

I have been using Slack (Desktop App) for months now, without any problem. Today, for no apparent reason, the laptop (HP Envy) froze and since then Slack is not working anymore. It seems to try to ...
37
votes
1answer
11k views

Authentication Required window stuck after login

I am using Ubuntu 20.04 and need help with this: The Authentication Required window is stuck and I can't close it :( Would the Authentication Required window disappear if I reboot? Are there other ...
36
votes
3answers
13k 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.
36
votes
6answers
49k views

Ubuntu 20.04 multipath configuration

I just installed a new Ubuntu 20.04 server as a virtual machine on an esx-Server. When I look into systemlog I see lots of multipath entries. multipathd[651]: sda: add missing path multipathd[651]: ...
36
votes
4answers
10k 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 ...
35
votes
3answers
56k 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.
33
votes
7answers
39k views

When is CUDA gonna be released for Ubuntu 20.04?

So 20.04 got released two days ago, but when is CUDA for 20.04 gonna be released? Is Nvidia usually following up quickly?
33
votes
3answers
20k 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 ...
33
votes
5answers
49k views

Ubuntu 20.04 and 20.10, /etc/securetty: No such file or directory

Just updated to 20.04 final release, and I'm seeing these messages in /var/log/auth.log... May 14 06:29:52 Satellite-E55 gdm-password]: pam_unix(gdm-password:auth): Couldn't open /etc/securetty: No ...
32
votes
10answers
75k 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 &...
32
votes
2answers
76k views

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 ...
32
votes
7answers
21k views

Fractional Scaling does not work properly ubuntu 20.04

Just updated to 20.04 and tried the fractional scaling on my laptop. That does not work at all. Whatever scaling I use it just sets 200%. I googled it and it seems works with wayland server only. I ...
32
votes
3answers
5k views

Cannot use del key to delete files on desktop in 20.04

I just did a clean install of 20.04 and I noticed that no key shortcuts for files manipulation work when my focus in on Desktop (not in Nautilus). When I have copied a file to clipboard, I cannot ...
31
votes
3answers
16k views

Why yarn key update failes all the time? GPG error: https://dl.yarnpkg.com/debian stable InRelease: The following signatures couldn't be verified

Every time apt update shows error W: GPG error: https://dl.yarnpkg.com/debian stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ...
31
votes
6answers
43k views

Can't acces NAS anymore after upgrading to 20.04

Today I did a clean install of the new Ubuntu 20.04 Focal Fossa. Since then I can no longer mount folders on my NAS, which was possible on 18.04 and on Windows. It's exactly the same issue as this ...
31
votes
11answers
34k 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 ...
29
votes
7answers
91k 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 ...
29
votes
5answers
34k views

Is it necessary to have a /home and /swap partitions in 20.04

Is it necessary to have a /home partition in Ubuntu Desktop 20.04? I read somewhere about a home file in /root partition... Does the same go to the /swap partition? Can someone set up a guide for New ...
29
votes
7answers
63k 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 ...
28
votes
4answers
17k views

apt update throws signature error in Ubuntu 20.04 container on arm

I am trying to build Raspberry Pi docker images but I am always having the same error, similar to this one, this one and this one. While running the command apt update as root in a arm32v7/ubuntu:20....
27
votes
13answers
49k views

How to make a desktop shortcuts on Ubuntu 20.04?

Let's add some fresh knowledge to the forum now Ubuntu 20.04 is out =). My question today is simple; what is the most elegant way to create desktop shortcuts (e.g. to folders, applications or ...
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 ...
27
votes
3answers
19k views

Where is fslint (duplicate file finder) for Ubuntu 20.04?

I tried to install fslint :~# apt install fslint and I received Package fslint is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, ...
27
votes
6answers
16k views

Super key not working in Ubuntu 20.04

I just updated to Ubuntu 20.04 LTS and my super key has lost its main functionality. Previously in Ubuntu 18.04LTS, I was able to click the super key and the applications drawer would show. Now it ...
26
votes
3answers
5k views

Selected line's contents aren't readable in GEdit while using dark theme on Ubuntu 20.04

I am unable to see what I type in the Gedit editor using dark theme. This is due to the default setting of highlighting the current line.
26
votes
4answers
12k views

Ubuntu 20.04 change background to solid colour

There was an option to change background to solid color. However, I notice that that option is no longer there. The only options available are to use existing image or to add picture. Was this setting ...
26
votes
8answers
20k 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....
25
votes
7answers
80k views

WSL 2 Won't Run Ubuntu - Error 0x80370102

Today, I decided to upgrade from WSL 1 to WSL 2. On WSL 1, I had no issues getting both Kali or Ubuntu to function on WSL 1. When upgrading to WSL 2, both Kali and Ubuntu failed to upgrade to version ...
25
votes
9answers
33k views

Can't upgrade Ubuntu 18.04 to 20.04 because of “Please install all available updates for your release before upgrading” error

I've been trying to upgrade my version of Ubuntu 18.04 to 20.04. I've run all the steps from updating and upgrading both apt and apt-get, changing the settings in update manager and all of the steps ...
25
votes
4answers
16k views

Ubuntu 20.04 change sound output device issue

I recently updated my Ubuntu 19 to 20.04 and started experiencing strange issue: when I open sound settings and switch "output device" while my headphones are plugged in - sound goes out of headphones ...
25
votes
4answers
10k views

mainline kernel now depends on libc6 2.33, non-installable in focal?

I've been happily installing 5.10 mainline kernels (from https://kernel.ubuntu.com/~kernel-ppa/mainline/) on my Ubuntu 20.04. Trying to update to 5.10.33, I discovered an unwelcome dependency on libc &...
24
votes
2answers
33k views

Reporting: I can't open settings in ubuntu 20.04 LTS

I am a regular user of Ubuntu. I recently moved on from Ubuntu 19 for 20.04 LTS, but after the upgrade the settings are not opening. Besides the settings, the display settings and change background ...
24
votes
6answers
12k views

Calibre No Longer Working

Calibre stopped working recently. Tried uninstalling and reinstalling. When I open a terminal and call $calibre I get the following error message: Traceback (most recent call last): File "/usr/...
24
votes
3answers
11k views

“System Policy prohibits use as a Hotspot” when trying to turn on WiFi hotspot (option grayed out)

I'm using Ubuntu 20.04 on ThinkPad x230, W540, T440p, etc. Sometimes (appears randomly) after a reboot, I try to click on "Turn on WiFi hotspot..." under WiFi settings, but it is greyed out and when ...
24
votes
6answers
36k views

Ubuntu 20.04 desktop files and icons missing

I upgraded from Ubuntu 18.04 to 20.04 but desktop files and icons are missing, How do I should solve this problem?

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