Questions tagged [20.04]
Eighth LTS (Long Term Support) release of Ubuntu, code-named "Focal Fossa". Released on April 23, 2020. Will reach End of Standard Support (ESS) in April 2025. Only use this tag for version-specific questions.
13,749
questions
309
votes
4
answers
208k
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 ...
131
votes
12
answers
37k
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 ...
122
votes
8
answers
167k
views
How to enable the hibernate option in Ubuntu 20.04?
I tried different options to enable hibernation in Ubuntu 20.04 but nothing is working. How can I enable the hibernate option in Ubuntu 20.04?
119
votes
4
answers
66k
views
Can't close Authentication Required window after login
I am using Ubuntu 20.04(Gnome3.36) and need help with this:
The Authentication Required window is stuck right after logging in and I can't close it. I tried using xkill to close the window but it ...
112
votes
2
answers
164k
views
python-is-python3 package in Ubuntu 20.04 - what is it and what does it actually do?
Having used Ubuntu 18.04 for a handful of years now, and reading that Python 2 has been removed from Ubuntu 20.04, I was looking forward to using the commands python or pip rather than python3 or pip3....
109
votes
10
answers
209k
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 ...
95
votes
8
answers
220k
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 ...
93
votes
8
answers
162k
views
Is there a default clipboard history in Ubuntu? If there is, how can I access it?
Is there a default clipboard history in Ubuntu 20.04 or later? If there is, how can I access it? I know there are lots of available applications for saving clipboard history in the default Ubuntu ...
91
votes
7
answers
114k
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 ...
87
votes
14
answers
281k
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-...
82
votes
5
answers
66k
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.
77
votes
6
answers
147k
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). ...
71
votes
3
answers
107k
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 ...
71
votes
8
answers
163k
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]: ...
70
votes
5
answers
184k
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.
...
70
votes
1
answer
46k
views
WARNING: PV /dev/sda3 in VG ubuntu-vg is using an old PV header, modify the VG to update
When I do sudo apt-get upgrade, I have the following message:
WARNING: PV /dev/sda3 in VG ubuntu-vg is using an old PV header,
modify the VG to update.
What can I do?
68
votes
9
answers
22k
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 ...
67
votes
1
answer
60k
views
22.04 LTS "sudo do-release-upgrade" does not work [duplicate]
sudo do-release-upgrade -cd
returns
Checking for a new Ubuntu release
New release '22.04' available.
Run 'do-release-upgrade' to upgrade to it.
Then
sudo do-release-upgrade
returns
Checking for a ...
62
votes
4
answers
47k
views
Ubuntu 20.04 - "Unhandled error message: The name 1.1001 was not provided by any .service file" when trying to mount Xiaomi Redmi Note 9 Pro via USB
When I try to mount my Xiaomi Redmi Note 9 Pro on my Ubuntu 20.04 via USB, I get "Unhandled error message: The name :1.1001 was not provided by any .service files" from Nautilus. It fails to ...
60
votes
5
answers
74k
views
Not able to change the Nvidia driver in ubuntu 20.04
In Additional Drivers under Software & Updates, the NVIDIA driver is stuck on Continue using a manually installed driver, and all other options are greyed out.
I want to set the driver to ...
59
votes
2
answers
16k
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 ...
59
votes
13
answers
200k
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 &...
59
votes
7
answers
33k
views
How to remove snap completely without losing the Chromium browser?
I am wondering whether or not there is a way to completely remove snap from Ubuntu 19.10 without losing the ability to install important applications like Chromium.
When I just recently updated to ...
57
votes
7
answers
47k
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 ...
57
votes
7
answers
58k
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 ...
57
votes
8
answers
321k
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 Linux or Ubuntu to function on WSL 1. When upgrading to WSL 2, both Kali and Ubuntu failed to upgrade to ...
54
votes
3
answers
28k
views
Sub-process /usr/bin/dpkg returned an error code (1) while upgrading python3.10
apt upgrade:
$ sudo apt-get full-upgrade -y
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt --fix-broken install' to correct ...
53
votes
5
answers
40k
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 ...
52
votes
4
answers
60k
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 ...
51
votes
5
answers
47k
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' ...
51
votes
4
answers
53k
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....
50
votes
3
answers
13k
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 ...
50
votes
15
answers
135k
views
How to make a desktop shortcut on Ubuntu 20.04?
What is the most elegant way to create desktop shortcuts (e.g. to folders, applications, or documents) in Ubuntu 20.04?
50
votes
3
answers
107k
views
Can't run an AppImage on Ubuntu 20.04
I'm not able to run AppImages on my Ubuntu 20.04. All the permissions are ok (see pic 1) and I have tried the terminal too (see pic 2). The messages in the terminal are dlopen(): error loading libfuse....
50
votes
5
answers
16k
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 ...
48
votes
3
answers
11k
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.
47
votes
4
answers
79k
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) \
>...
47
votes
10
answers
61k
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 ...
47
votes
12
answers
78k
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 ...
47
votes
3
answers
73k
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 ...
45
votes
8
answers
45k
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 ...
44
votes
4
answers
93k
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.
43
votes
6
answers
51k
views
How to turn on Night Light Blue Light filter in Ubuntu 20.04
The Night Light filter, also known as Blue Light filter or Color Temperature filter, is a bit hard to find in Ubuntu 20.04. The Night Light tab is now in shown in the title bar, next to the Displays ...
42
votes
14
answers
76k
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 ...
41
votes
10
answers
193k
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
4
answers
11k
views
How to show the day of the week on the desktop date with Ubuntu 20.04 LTS
Ubuntu 20.04 LTS by default has the date and time show on the top of the desktop.
How can I include the weekday (examples: Sunday, Monday, ect)?
I want the day of the week show with the date and time ...
41
votes
5
answers
74k
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 ...
40
votes
3
answers
125k
views
curl: (23) Failure writing output to destination
I want to run the following on ubunt 20.04:
sh <(curl -L https://nixos.org/nix/install) --daemon
what I got is this:
sh <(curl -L https://nixos.org/nix/install) --daemon
% Total % Received ...
40
votes
1
answer
181k
views
Ubuntu sudo apt get update 404 Not Found problem
I am using Ubuntu 20.04.3 LTS.
I've been facing an error for 2 days that is, I can't update or upgrade or perform package installs on my system because of the following errors:
Hit:1 http://packages....
40
votes
7
answers
82k
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?