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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BD-R not multisession recognised as BD-R multisession on UBUNTU 21.04

DVD-R are recognised. K3B says BD-R is not multissession after recognising it as muttisession. BD-R are 25 GB 6x Verbatim. They are too old maybe. Which log do i load ?
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Cannot make HepMC work in Ubuntu 20.04 LTS

I am trying to work in the field of particle physics and I need help configuring software for that. I am trying to install HepMC3 in my ubuntu 20.04 but I am unaware of how to run it. I have followed ...
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hdfs normally working but with sudo it shows command not found

I am trying to install hadoop3.1.1 and i have set ./bashrc file and all the other necessary files. while applying hdfs i am facing this situation shown in the picture. this image shows commands I have ...
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Inateck Bluetooth Surface Keyboard Issue

So I recently wanted to try out Ubuntu on my surface pro 3 laptop. I have been running it off of a 32 GB USB (I chose the TRY option instead of INSTALL option when asked) I connected by Inateck ...
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Configure Automount Settings

I have an ipod classic I bought used on ebay. When I plug it in to my xubuntu 20.04 machine, it mounts as read-only. This is apparently happening because it is formatted as a journaled HFS+ drive. I ...
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installing nginx: E: Failed to fetch … 404 Not Found

Whenever I try to install NGINX on my Ubuntu 20.04 LTS it outputs: Reading package lists... Done Building dependency tree Reading state information... Done The following packages were ...
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20.04 Wake On Lan stops working after first suspends with pm-suspend

Recently, I started to use an old laptop as a home server. Everything works perfectly, but WOL(Wake On LAN) does not work as expected. This is my situation. I turn on my laptop I use SSH to connect ...
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Notification pop-up is not leaving from the display without hovering the cursor

I found this unusual behaviour when notifications are coming from discord, notifications from other software stay in the display around 5/6 seconds, then gone away. How to fix it? Currently using ...
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Mouse disconnects randomly when using ubuntu, Help!

A while back I broke my main PC so I'm stuck with an old-school PC which has Ubuntu as it's main operating system, So I kept using Ubuntu for awhile and liked it a lot. But then when I installed a UPS ...
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terminal opens unclear

when I open a new terminal (simply by CTRL+ALT+T) it always starts with the output as shown in the picture. that is: /usr/bin/python: No module named virtualenvwrapper virtualenvwrapper.sh: There was ...
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Stop unnecessary service from booting with Ubuntu

Here is the link to the systemd-analyze and systemd-analyze blame of my system. There are some services such as plymouth-quit-wait.service, networkd-dispatcher.service, fwupd.service, accounts-daemon....
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LSB codename: 'focal'. is currently not supported

When I run this command: sudo add-apt-repository ppa:ethereum/ethereum I get this error: LSB codename: 'focal'. This codename isn't currently supported. Please check your LSB information with "...
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Cannot set Chrome as Default Browser - Lubuntu 20.04

I cannot set Chrome as the default browser on Lubuntu 20.04. Technical info:- LXQt Desktop Toolbox - Technical Info:- LXQt Version: 0.14.1 Qt: 5.12.8 Build type: ...
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Recover Grub2 menu on Ubuntu 20.04 zfs

After using grub-customizer for a bit (which I now know is a bad idea), my grub menu looks very different from the default. It's missing the history menu, which contains snapshots, and some of the ...
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Ubuntu 20.04 Bluetooth does not connect again in this case

I have Samsung Earbuds. My earbud connect usually. But, If my earbuds are connected to my phone, then at the same time, I try to connect to my Ubuntu 20.04, it wont connect. That is ok. But now, I ...
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Ubuntu shift arrow key to mark text?

I just installed latest ubuntu 20.04.2 LTS on my dell inspiron as dual boot with windows 10. I used to mark text with the keyboard using Shift+Arrow, Shift+Pos1 and Shift+End on the numeric keypad. (...
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Headset microphone not working and not detected on ubuntu

I installed Ubuntu 20.04 LTS on an Asus n551vw laptop, but when I connect the headset, its microphone is not recognized (but its sound works). Sound setting image After a lot of searching, if I add ...
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Random keyboard inputs and lose control of system

I have been encountering a rather unusual issue -- basically, at random times, the computer starts "freaking out" and I essential lose control of the system and it ends up in sysrq. Happens ...
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Even after removing Snap, Ubuntu still takes a lot of time to boot

Here is the log from systemd-analyze Startup finished in 6.406s (firmware) + 4.794s (loader) + 4.066s (kernel) + 58.047s (userspace) = 1min 13.315s graphical.target reached after 56.065s in userspace ...
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What repo do I need to add for Chrome updates?

At some point during one update or another, whatever it was that made sure I got Chrome updates were disabled. What do I need to add in 20.04 to get Chrome updates again?
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Ubuntu 20.04 Server: 2 networks, 2 gateways and static routes

I need to add a second network with a second gateway to my ubnutu 20.04 server (with netplan). The setting looks like this: Ubuntu server: interface: ens18 IP: 192.168.20.2 gateway: 192.168.20.1 ...
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Certain applications cannot be reordered in Dash to panel

I use the Dash-to-Panel extension (see for example https://askubuntu.com/a/1052673/800252) to get a Windows-like toolbar. This should allow either grouping or ungrouping multiple instances of an ...
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new installation ubuntu 20.4 to 2013 mac mini but on reboot have I/O errors again

Please help! I am going around in circles, first i tried to fix grub,than reinitialized the Hd,reinstalled ubuntu end it seemed ok but after installing chrome and skype the next boot fails.If I boot ...
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Sound level is 0 or 100, nothing between

I have an Asus UX390UA that run Ubuntu 20.04.1. I have sound problem, when I try to adjust sound level, 0% is working well, but from 1 to 100% sound level is always 100% I applied this workaround: ...
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How to assign unallocated space to ubuntu partition

I wanted to give the ubuntu partition some more space from the windows partition, so I removed some space from the windows partition. I want to ask how do I allocate the free space to the ubuntu ...
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Ubuntu freezes after executing python code in jupyter notebook

I tried executing this code in windows and it ran flawlessly but in Ubuntu as soon as I run this code, Ubuntu freezes for 3-4 mins and then the result come and then Ubuntu behaves laggy until I ...
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Can't close pycharm application

When exit the application it doesn't close While closing the application I selected terminate the process but the application is on screen I can't close I can use other applications but pycharm stuck/...
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I’ve stuck on this screen for very long time. I’ve just install Ubuntu to my old pc today and I just press random I think I accidentally booted

This is what I see when I boot my computer: Please help I’ve be searching for solutions,but I can’t even type anything or press any command. I am totally stuck.
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Cant connect two bluetooth devices at the same time

Im trying to connect a keyboard and a mouse in ubuntu 20.04 but i just cant get it done. Tried with bluetoothctl and blueman but no results. I have the devices trusted and paired but I can only ...
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Wireless adpater (Intel 8260) disabled in 20.04 LTS

lshw gives: *-network DISABLED description: Wireless interface product: Wireless 8260 vendor: Intel Corporation physical id: 0 bus info: pci@0000:01:00.0 logical name: wlp1s0 version: 3a serial: 14:ab:...
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My Ubuntu box restarted without warning, what log files do I need to examine?

My Ubuntu box restarted without warning, what log files do I need to examine? Specifically,, (1) which log files will tell me what forced a sudden restart? And (2) where do I find them? Update: ...
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Removing only-ubiquity / maybe-ubiquity from GRUB boot parameters does not change anything

I am customizing the Ubuntu 20.04 live ISO. I want it to boot into the live environment, without launching ubiquity in the contained GNOME desktop environment. I did some research, and I am pretty ...
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Will my bluetooth keyboard/mouse autoconnect on a reboot without any extra work?

I'm very new to Linux so I apologize if this is a very rudimentary question. That being said, I am planning on buying Bluetooth peripherals. (Microsoft Designer Compact Keyboard & Microsoft ...
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Xubuntu will not log out properly

I was a bit curious about the button that has a gear on it at the bottom corner of the Ubuntu login page. Then I saw there were options for Wayland and Xubuntu and Ubuntu. I heard about Xubuntu so it ...
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Ethernet disabled Lenovo Legion 5, Ubuntu 20.04

My wifi is working fine. However, When I try to connect using the ethernet, I don't get no connection. The ethernet is not even present in the settings. I'll list the output of some commands below, ...
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Python Environment pip installs packages in the main system

I created a new python environment a few weeks back and installed some packages in there. But now when I activate the environment and install a package with pip, it installs the new package in the ...
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Grub missing and boots into windows

I installed Ubuntu 20.04 on a PC which already had windows 10 installed. But when I bootup there isn't grub screen to elect the OS instead it boots into to windows. I have looked through several posts ...
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Battery icon changed! Want the default icon back [closed]

The battery icon suddenly changed itself from the default icon to a very ugly icon. I want to bring the default icon back. Can anyone help me with this?
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Allowing a sudo command to run without needing password [duplicate]

I have the following command: sudo service cron start When I type it into the terminal, it asks me for a password, just as it should. But I need for users (or if all users aren't possible, then at ...
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VPN Wireguard - handshake ok but no internet and LAN access

I have a problem with wireguard setup. After setup up I can connect to my device. Handshake is ok but I cannot accesss internet and lan. Device: raspberry pi 4b 8gb ram OS: Ubuntu server ARM x64 20.04 ...
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1080p video can't play in VLC

I was first a Windows user, but recently switched to Ubuntu. I want to play 1080p .mkv videos on VLC but it won't play properly. In Windows it works but not in Ubuntu. VLC was my default player, but ...
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(Initialization Error In Ubuntu 20.04) Error: Failure Reading Sector 0x100800 From HD1

Now about 20 minutes ago this error screen appeared when I turned on the PC in an unexpected way, I forcibly had to turn it off due to the OS that had previously crashed after executing a code, so now ...
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Internet connection is not available due to iRedMail

I deployed the server (Ubuntu 20.04 MATE) first to distribute the Internet to my laptop, then I wanted to put iRedMail next to it, but after installing it, the Internet on my laptop no longer works, ...
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gimp 2.10 crashes (Ubuntu 20.04.2 LTS)

My GIMP worked fine until today. Today I started GIMP, and there are rectangular characters similar to this posting. I've reinstalled GIMP. After re-installation GIMP crashes and still rectangular ...
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Scan to email option on my hp6660 doesn't work with ubuntu 20.04

My hp envy 6660 worked well on ubuntu 18.04. Now, with ubuntu 20.04, the scan to email option gives me a message: The printer could not connect to web services
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The software store is empty

I am running Ubuntu 20.04.2LTS on an ASUS laptop. The previous OS was Ubuntu 19. I had a functional software store on 19. After the upgrade (a couple of months ago) to 20 the software store was and ...
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Update NodeJS from 10.19.0 to 14.17.3 LTS in 20.04

I am using Ionic and my builds are failing. It says I need to have the latest npm and node.js. Sadly, my attempts so far from another topic and sudo apt-get update and sudo apt-get upgrade etc is ...
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Weird hibernation behavior with systemctl hibernate

I've followed this tutorial to enable hibernation on my ubuntu device: Anthony O.'s answer to Hibernate and resume from a swap file When I hibernate using sudo s2disk, everything works fine and there ...
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install ubuntu 20.04 doesn't detect windows 7 shows only usb at partition table

I never installed a linux distribution before, and want to install Ubuntu 20.04 if possible alongside my fresh install of Windows 7 (update problems) on my HP ENVY 6 notebook. ubuntu install started ...
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Understanding the Htop output

I am a recent user of Ubuntu. I am running some simulations in my Ubuntu 20.04 which don't run successfully. When I look at the usage, I see numbers like these. Does this mean that my machine is ...

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