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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How to configure apache with public ip

I have tried lot of things to configure apache2 with my public ip address but still now I am unable to do it successfully. Can anyone help me? What I tried already? I installed apache2 and its working ...
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external monitor problem due to hdmi in ubuntu 20.04

I have connected my external monitor by using hdmi cable but problem is on my external monitor there is little blank screen I tried using xandar -q tried this too xrandr --output HDMI-2 --off xrandr -...
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Restore Ubuntu desktop after installing Lubuntu desktop and how to remove these extra workspace

I am new to the Linux platform and need to work on ubuntu but by mistake, I delete some desktop files and installed Lubuntu desktop which is really not much attractive and now I want to go back to the ...
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Removing snap, reinstalling gnome

I would like to get rid of snap forever and found a very nice manual for that. However, I wonder if it has any bad consequences to uninstall the last remaining snap applications on my computer. snap ...
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Error with alsa.conf in Kubuntu

I have no audio while using snap applications. Cannot access microphone on apps like Discord, and cannot play anything on spotify. I'm using Kubuntu 20.04 LTS. Spotify gives me this error while ...
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update-initramfs very slow

I used to just happily sudo apt update && sudo apt upgrade often; however, just today, I updated and found the update was hanging for a long time at updating the kernel, specifically at update-...
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Ubuntu screen freezes and whole system crashes

I was running Ubuntu 20.04.1 and suddenly my laptop would freeze and lock up completely. It is not responsive to mouse and keyboard. I tried Alt+F2 to restart GNOME Shell. The background video playing ...
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CD tray opens and closes occasionally. Sometimes at halfway

Ubuntu 20.04 LTS The CD tray of my Desktop PC opens and closes by itself occasionally. Sometimes it moves back at halfway. How can I fix this problem? From its movement I believe it is due to some ...
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How to make some windows play sound through the HDMI output and others use the laptop output

I have my PC connected to my TV through HDMI, I can only play sounds through the TV or the PC. Is there a way to make some windows play through the TV and the rest through the PC? So if I play a movie ...
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Display resolution and Wifi gone after kernel upgrade

Some months ago I installed AMD ROCm on my Ubuntu (the PC has a Radeon GPU). As ROCm back then didn't support kernel 5.8 I removed kernel 5.8 and install kernel 5.4. It was silly to remove 5.8, but I ...
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Slow KVM after moving from 20.04 to 21.04

I use a lot of KVM through virt-manager. On 20.04 it worked ok, but on 21.04 the VMs are kinda slow, specially the UI. Is there some known problem around this? I'm on a XPS 13 32gb RAM i7 11th gen ...
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Ubuntu server 20.04: set ip isc-dhcp-server: network failed

I have set up isc-dhcp-server over Ubuntu server 20.04. Isc-dhcp-server starts well. To set up my local network, I used: a pc to host isc-dhcp-server a pc as a client a switch to interconnect server ...
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Ubuntu 20.04 Connection failed

Recently installed Ubuntu 20.04 on my desktop pc and I have problem with wired connection on it. Every time I'm trying to connect I see the message "Connection failed. Activation of network ...
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Suspend not working properly (cannot wake up) on Ubuntu 20.04 with NVIDIA

My problem is that I cannot suspend my computer properly. Technically I can, but when I come back and try to reopen it, it just doesn't work. My screen remains black with a blinking line, like a ...
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Ubuntu 20.04 unexpectedly stopped recognizing my external monitor

I still don't master ubuntu perfectly. One fine day I turned on my computer and connected my HDMI monitor and ubuntu doesn't recognize it, I've done a test on my windows and I saw that everything was ...
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Flatpak does not update its apps when run via cron

This simple script runs correctly when launched manually: #!/bin/sh flatpak -y update 2>&1 >> ~/cron/cron-flatpak.log When run with 00 07 * * * sh ~/cron/cron-flatpak.sh (same regular ...
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“Please check your Internet connection” box will not go away

This box cannot be removed in any way I've tried so far. I'm sure a reboot would fix it (it has before), but is there a way to get rid of this thing without rebooting? My connection is fine, and I've ...
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Serial device stops working when upgrade to 20.04

I have a USB device with a serial interface. It worked great on 18.04 (and on Windows) but when I upgrade to 20.04 something is interfering with communications. When I plug in the device, it shows up ...
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Disable window grouping in Dock on Ubuntu 20.04 LTS

I'm trying to disable grouping task in the task bar .. but I can't find how to do it. I try plenty of different extensions ... but no luck I am running Ubuntu 20.04.2 LTE with Gnome 3.36.8 Any ideas ?
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Computer doesn't wake up after suspending Ubuntu 20.04 [duplicate]

I have installed Ubuntu 20.04 on a dual boot Acer Predator Helios 300. I want to use the suspend function, but whenever I try to wake it up, the display of my laptop shows a blank screen with a '-' ...
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1answer
41 views

How can I log in and run a bash file at boot?

I got myself a minecraft server that turns on and off on specific hours but I don't want to type the commands every time it should start playing and let it run those commands after boot. I found an ...
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I can't see the complete menu of applications installed

I extended the life of my old netbook by changing from the HDD to a SSD, so I r haveeturned to ubuntu (20.04) since a long time. The problem I have is that I can't see the whole list of appications ...
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Connect to Windows host and use all monitors of your local ubuntu desktop

I know Windows RDP works fine this way. But the requirement is, my desktop runs on Ubuntu and I want to connect to a Windows system(for work) from my ubuntu-desktop. Also, I want all my locally ...
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How to delay restart process in Ubuntu

When we restart Ubuntu OS, it goes down, powers off (all connected devices also power off) and then quickly power up again and boots normally. Is there a way to add a delay between power off and power ...
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How to install afpfs-ng in Ubuntu 20.04?

After downloading and running sudo dpkg --install afpfs-ng_0.8.1-1_i386.deb I get Selecting previously unselected package afpfs-ng:i386. (Reading database ... 120690 files and directories currently ...
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How can I make the C++ compiler support template for STLin order to install hpctoolkit?

I am trying to install hpctoolkit using Spack. In order to do that, I executed : git clone https://github.com/spack/spack.git cd spack/share/spack source setup-env.sh spack fetch -D hpctoolkit spack ...
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netplan gre tunnel

I want to add gre tunnel in netplan. name: gre0, mode: gre, remote: 10.11.22.100, local: 10.11.22.99, dev: eth1 I don't know what key value to put interface eth1 into gre0. network: version: 2 ...
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tor command changed behavior

i'm using ubuntu 20.04. i'm using the tor command for quiet some time now. when i run it, i get: $tor ...
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Static IP is disappearing after restart Ubuntu Server 20.04.2 : Please help

I have a Ubuntu 20.04.2 Server version template. I have configured IP addresses, Name servers gateway4, etc. as per the process via netplan. Whenever I am deploying VM from that template and provide ...
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How do I choose which monitor that my virtual console is on?

I turn on virtual console and when I do, it uses my first monitor when I want it to use my second monitor. I don't know how to select which monitor it goes on, I have also tried to do primary monitor ...
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Ubuntu 20.04 Snap store app does not come up except

This morning (the next day after I posted the below) it seems to be working normally again. I had tried rebooting several times before with no effect, so have no idea what changed, but when I went to ...
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1answer
110 views

How to disable hover to click on top bar?

I am using Ubuntu 20.04 LTS with GNOME. When I go to the top bar and click on the Applications button, the applications menu opens up. However, while taking the mouse to my required application, it ...
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In Guake the first time I use it the window is not focused

When I first open Guake by pressing F12 anything I type does not appear, I need to click on the Guake window then I can type in it. From then on when I press F12 it is automatically focused. I have &...
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For some reason firmware boot time is slow

The boot time of my system recently became very slow. Here's the config: Here's the systemd-analyze output: And here's the systemd-analyze blame output: Is there anything I can do or is my laptop ...
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1answer
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FTPS. How to upload to a Home Folder only?

Ubuntu 20.04, server. Wanted to configure the FTPS following instructions: https://devanswers.co/install-ftp-server-vsftpd-ubuntu-20-04/ Did all actions and got error with FileZilla: Response: 500 ...
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Ubuntu 20.04, Snap Store does not start [duplicate]

Suddenly, Snap Store does not start. When started from the terminal, it displays the message: /snap/snap-store/518/usr/bin/snap-store: symbol lookup error: /snap/snap-store/518/gnome-platform/usr/lib/...
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Touch Screen Calibration Does Not Work On Lock Screen

I have successfully calibrated my touch screen and added the calibration to Xorg's xorg.conf.d path. When I login it works perfect with no issues, even after a restart. However, on the lock screen the ...
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plz help. ubuntu crashing a lot! accompained by several error while force restart using power button

so i shifted to ubuntu 20.04LTS from windows 10 few days ago and as of now i am facing huge troubles using ubuntu. the first one being apps crashing a lot and then not opening. like firefox closes ...
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1answer
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Device won't go to login screen after removing gdm3

My Lenovo Legion laptop has Ubuntu 20.04 on it. My initial problem was that, when I boot up the laptop after it goes to sleep, the screen will remain black and I have to reboot to log in again. I saw ...
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How to mount AFP shares/volumes via /etc/fstab in Ubuntu 20.04?

How to mount AFP shares/volumes from a remote server using /etc/fstab? Since I can connect to AFP servers using Nautilus (afp://...) all required shoftware should be on my system. But how to get it ...
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Weird behavior of wireless mouse and keyboard after last update

Hello everybody, yesterday I was prompted to update my system (ASUS UX481FL - Ubuntu 20.04). After the update I have noticed that with en external dongle for mouse and keyboard: WINDOWS key doesn't ...
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“Wired Connection 1” replaced by “Auto Ethernet” and now I have regular disconnections

Recently, I was trying to create a bridge connection for my KVM Windows VM. I created the bridge connection in the host following these instructions. Now, when I click network tray icon, "Wired ...
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Highlight Diagonal Tears with Intel Graphics (Ubuntu 20.04)

Problem: Despite reinstalling everything I can think of I am having an issue with certain highlights tearing. This issue has been present for me in both GNOME and KDE. It seems to appear comistently ...
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Two Ubuntu software applications [duplicate]

I have recently installed Ubuntu on my HP Pavilion dv6, dual boot with Windows 7. It had been working fine till today morning when the Ubuntu software wouldn't open and I looked online for solutions. ...
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2answers
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is there some basic text editor like Notepad++ for Ubuntu that supports emmet/zen coding?

I would like to use emmet/zen coding on Ubuntu but I haven't found any simple text editor that supports it preferably with easy to install way. A plugin for Geany (which is pretty similar to Notepad++)...
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how to show desktop items on ubuntu 20.04

I recently upgraded from 18.04 to 20.04 but all my desktop items have disappeared from the Desktop (they are still in /home/username/Desktop though). When I search the internet for how to show them, ...
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Windows dosnt boot after installing Ubuntu

Hello guys writting from my ubuntu 20.04, i was using windows 10 normally till yesterday and i also had a ubuntu 10 partition i installed long ago, was working fine till yday but i decided to ...
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1answer
54 views

Cheated by a friend using remote login

Me and my flatmate connect over the same network. Recently, I brought a new PC. Since I didn't want to spend money on Windows, I installed Ubuntu 20.04 on it. Since my friend knew way more about ...
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Firefox 89 light theme conflict with Plata

I have this possibly simple issue with the Plata theme and Firefox 89 Light theme. The minimise, maximise and close buttons are almost of the same colour as the toolbar and are not visible while using ...
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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: ...