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Questions tagged [ubuntu-20.04]

Ubuntu 20.04 (Also codenamed Focal Fossa) is a Long Term Support (LTS) release of the Ubuntu operating system. QUESTIONS MUST BE PROGRAMMING RELATED.

The OS would be supported until 2025 by Canonical, it's manufacturer company.

Compared to the previous LTS version, the following notable changes happened:

  • Kernel upgrade from 4.15 to 5.4 .
  • ExFat is now supported.
  • No more 32 bit support.
  • Minor gnome upgrade (3.28 to 3.36)
  • System theme changed to Yaru, has three flavors: Light, Dark and Standard.
  • Notifications can now be muted in the Settings.
  • Dock can now be removed by the Extensions App.
  • New compression algorithms decrease installation time.
  • Booting better optimized, boots faster.
  • Wireguard is now supported, backported to kernel 5.4 .
  • More Snap App is supported.
  • Default is now Python3, although Python2 is still installable.
  • X11 fractional scaling.
  • Default Php version is now 7.4 (from 7.3).

References

1762 questions
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AWS: error while creating AMI from Ubuntu - error initramfs/initrd

I've created a simple VM in VirtualBox and installed Ubuntu, however, I am unable to import this to AWS and generate an AMI from it. Operating system: Ubuntu 20.04.4 LTS Kernel: Linux 5.4.0-104-generic I've followed the steps provided according to…
Börje
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How to install libgfortran.so.3 on ubuntu 20.04

When I try to install libgfortran.so.3 on Ubuntu 20.04 using: sudo apt-get install libgfortran3 it shows: E: Unable to locate package libgfortran3 How can I install Fortran on 20.04?
user13869189
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upgrade ubuntu 18.04 to 20.04 but packages remain +bionic1

after upgrading to ubuntu 20.04 some package remain in +bionic1 version sudo apt list | grep python3.8 WARNING: apt does not have a stable CLI interface. Use with caution in…
Ramin Farmani
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Ubuntu WSL is listed in Clion toolchains but says "not found"

Unlike this question or this one, CLion seems to detect the WSL correctly: You can see that Ubuntu-20.04 is listed but still not found : Versions : Windows 10 : 1803 WSL : 1 (since windows 1803 does not support WSL 2) WSL Distrib : Ubuntu 20.04…
Pommepomme
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gpg: selecting card failed: No such device

I have ubuntu 20.04 machine and installed gpg and related tools using below commad sudo apt install gpg gnupg gnupg-pkcs11-scd But when i run gpg --card-status, I get below error gpg: selecting card failed: No such device gpg: OpenPGP card not…
Karma Yogi
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qt.qpa.plugin: Could not load the Qt platform plugin "wayland" in "" even though it was found

I am using Ubuntu 20.04.3 and trying some QT-based apps. In my particular use case, I am trying to launch android file transfer and it throws me the following error: Failed to create wl_display (No such file or directory) qt.qpa.plugin:…
ary
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How to create launcher icon for android studio in ubuntu 20 LTS?

I download Android Studio - Arctic Fox | 2020.3.1 from their official website in my ubuntu 20.04 LTS and install via these command: at first i extract the zip downloaded file to: /usr/local Then i installed via this command : ./studio.sh After…
Shakib hasan
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Error: sudo: amazon-linux-extras: command not found

System Information: Ubuntu 20.04.2 LTS (GNU/Linux 5.4.0-1045-aws x86_64) Problem: Trying to run sudo amazon-linux-extras install epel -y and sudo yum install -y chromium Because i need it for my Discord Bot which has the error of: Discord Bot…
Mashwishi
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Change Docker (snap) data-root folder

I'm trying to change the default data folder of docker images, containers, etc to a different path. Snap installation of docker has such folder at /var/snap/docker/common/var-lib-docker. Theoretically I could change that with data-root option in…
Rodrigo
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An upgrade from 'cosmic' to 'focal' is not supported with this tool

Checking for a new Ubuntu release Your Ubuntu release is not supported anymore. For upgrade information, please visit: http://www.ubuntu.com/releaseendoflife Can not upgrade An upgrade from 'cosmic' to 'focal' is not supported with this tool. I cant…
ANILA
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How to get steam to run on Ubuntu 20.04

Steam won't run =( Here's what I've tried: I have a fresh install of Ubuntu 20.04 (via Ubuntu Server Live Installer + ubuntu-desktop package) with nvidia drivers: $ nvidia-smi Mon Jun 22 10:26:49 2020 …
43Tesseracts
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How to Install compiler g++-4.8.5 in ubuntu 20.04

As the title said I can't install that specific version of g++ in my current ubuntu (20.04). I have been trying the usual things as: sudo apt install g++- (and displaying all posibilities but there where only versions from 8 to 10). Same happend…
Tomás
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Appearance settings broken in Ubuntu 20.04 LTS

I upgraded my Ubuntu 18.04 LTS to 20.04 one week ago. Somehow, I had no settings when I first launched my newly upgraded Ubuntu. I managed to fix that after installing gnome-control-center. Everything works fine except the "Appearance" settings. I…
090238957548239
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Blank window vscode as root

it's been a long time that i run vscode as root via this command (ubuntu 20.04.4 LTS) : > sudo code --user-data-dir="~/.vscode-root" Today, i used the same command to execute vscode as root, but i don't have the same result. in this time, i have a…
corol
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Usage stats of different Ubuntu versions

At the time of writing this question, Ubuntu 22.04 is almost out. I am curious about how fast the developers will migrate from older versions (potentially from 18.04 LTS) to the new LTS. This is important for me to decide which Ubuntu version I…
Tibor Takács
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