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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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VS Code Remote - Can't run 'code' command in WSL Ubuntu 18 or WSL 2 Ubuntu 20 - wrong path

I'm having an issue when I try to run the code command from Visual Studio Code in WSL Ubuntu. I get the following error: $ code . /mnt/c/Users/Name/.vscode/extensions/ms-vscode-remote.remote-wsl-0.64.2/scripts/wslCode.sh: 63:…
Sprouter
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import _tkinter # If this fails your Python may not be configured for Tk error in python 3.8

Currently using Ubuntu 20.04 LTS with python3.8.5. Its my first time using ubuntu with absolutely no previous knowledge of terminal.SO,would love to have a detailed answer if possible. Below is terminal output when i try importing tkinter in…
Atharva Dhamale
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Install PHP 7.4 met with "unmet dependencies", how to solve this?

I know a lot of topics have the same question but I've tried everything and nothing works for me. So I'm trying to install php 7.4 on my ubuntu stretch. I've done the following commands I found on the Internet: apt install ca-certificates…
Akame14
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virtualenvwrapper Command '' not found, but can be installed with

I'm on Ubuntu WSL and installed virtualenvwrapper using sudo apt install. As required, variable WORKON_HOME is correctly set to my virtual envs directory. When I run mkvirtualenv myawesomeproject I get the following error : created virtual…
Fred Sullet
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Can't install 'node-sass' on Ubuntu 20

I use webpack 4, sass, pug and bemto. Module on windows worked normal, but on Ubuntu: npm ERR! code ELIFECYCLE npm ERR! syscall spawn npm ERR! file sh npm ERR! errno ENOENT npm ERR! node-sass@4.14.1 postinstall: `node scripts/build.js` npm ERR!…
gorevanova
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How do I set a custom password with Cloud-init on Ubuntu 20.04?

Recently I've gotten Cloud-Init to work by mounting my config in an image. This is all fine, it works. If I break the config, it tells me. What it doesn't tell me is why I'm not allowed to log on. What I've tried is creating my own password using…
Mies van der Lippe
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Could not login in Ubuntu 20.04 LTS

I have just upgraded my operating system Ubuntu 18.04 LTS to Ubuntu 20.04 LTS. But after installing completely, during login I couldn't login even with right password.I checked it was indeed a right password by entering username and password after…
Avisek SSarma
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Sudo nautilus gives Authorization required, but no authorization protocol specified

I have just updated my OS from Ubuntu 20.04 LTS to 20.04.1 LTS. When I tried to run nautilus as root by using sudo nautilus, I get the error Authorization required, but no authorization protocol specified (org.gnome.Nautilus:4410): Gtk-WARNING **:…
Jacek
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Virtualbox 6.1.10, Ubuntu 20.04 bad return status build on kernel 5.8.0, package virtualbox-dkms error

Not so much as a question as a documentation. This is regarding a failing apt-get install or update related to virtualbox 6.1.10, Ubuntu 20.04, and virtualbox-dkms package failing to build. I had an issue recently with Ubuntu 20.04 and Virtual Box…
will
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Laravel Sail is not working properly in Ubuntu 20.04 LTS

Hi i tried to install fresh Laravel project using Laravel Sail docker environment. First it was showing me "Docker is not running" error. Then i found out, i needed to start docker as rootless. I solved it, reading this url:…
sajendra
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How do I solve this problem to use psql? | psql: error: FATAL: role "postgres" does not exist

I'm having trouble using PostgreSQL. I have recently installed this version (13+223.pgdg20.04+1) of postgresql package in ubuntu 20.04. I'm trying to run psql command, but I get the following error: psql: error: FATAL: role "my_username" does not…
DonLarry
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xclip and xsel - FileNotFoundError: [Errno 2]

I have kivy 1.10.1, python 3.8.2 and I code on Ubuntu20.04. When I launch my little program, I receive this error: [CRITICAL] [Cutbuffer ] Unable to find any valuable Cutbuffer provider. xclip - FileNotFoundError: [Errno 2] Aucun fichier ou…
Snakiron
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Install MySQL 5.6 on Ubuntu 20.04

I have a custom app that required MySql 5.6. I was able to install MySql 5.7 on ubuntu 20.04 using this tutorial: https://askubuntu.com/a/1232993 How can I install MySql 5.6 on ubuntu 20.04? Because the above tutorial only works for MySql 5.7, and I…
Pascut
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Upgrade to Ubuntu 20.04 killed pip

I upgraded to Ubuntu 20.04 from 19.10 and now I cannot use pip. zeno:~$ pip --version Command 'pip' not found, but there are 18 similar ones. Python is installed: zeno:~$ python3 --version Python 3.8.2 but if I try to insatll pip, I get this: …
Eric Chancellor
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Headless Chrome gives command_buffer_proxy_impl.cc(128) error, sometimes

I use Google Chrome to produce PDFs of webpages. I have noticed that once in a while, Chrome errors out. I started playing with it and from the command line, even when I execute Chrome with the bare minimum of flags, it errors out on occasion. This…
dearsina
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