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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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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Ubuntu 20.04, Kaffeine stop working on TV but w_scan is ok

Nearly at the same time kaffeine TV stopped working on ubuntu 20.04 and raspbian. w_scan works on both, different TV transponders were used. Message in swedish is: Hittade inte en enhet med giltiga ...
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How to upgrade GNOME in Ubuntu 20.04?

I'm currently using Ubuntu 20.04 LTS with Gnome 3.36.8. But I like the new GNOME 40 look. I've been using this system for almost 2 years, and I've many programs installed here and everything set up ...
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not able to run steam with Laptop with AMD CPU + NVIDIA GPU + Ubuntu 20.04

hello i am getting the following error Loaded SDL version 2.0.15-6655637 Gtk-Message: Failed to load module "gail" Gtk-Message: Failed to load module "atk-bridge" (steam:2906): Gtk-...
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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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1answer
33 views

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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1answer
139 views

Set user SystemAccount to false

I have the same problem listed here. But when I change the SystemAccount property to false and reboot, it is set back to true. Even if I only logout the property is set back to true. I also tried ...
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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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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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Connect to Ubuntu 20.04 via VNC before login (with GDM3)

Good day, I need to be able to connect via vnc to an Ubuntu 20.04 client, log out via it and log back in. My problem: VNC can not connect when I am in the login screen. I know this is a general ...
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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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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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How can I change the date and time format in GNOME Shell's top bar?

I'm using Ubuntu 20.04 LTS. I want date and time in GNOME Shell's top bar to have the following format: Sun Jun 13 07:26AM IST 2021 instead of the current: Jun 13 12:53 PM How can I achieve this?
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Duplicated dock icons on Ubuntu 20.04 when I unlock the screen

When I unlock the screen on my Ubuntu 20.04, every app icon is duplicated(picture link below) My extension: Dash to Dock My customisation: Theme: Adapta-Cyan-Nokto-Eta Icons: OieIcons I use tweaks ...
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15 views

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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1answer
31 views

20.04 boots from SSD but not if HDDs are online

I have a Dell PowerEdge R510 with 8x4TB WD SATA HDDs, a 1TB Kingston SATA SSD plugged into the the PCIe x4 port, and a 1TB WD_Black AN1500 NVMe SSD plugged into the PCIe x8 port. I currently have ...
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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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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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2answers
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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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1answer
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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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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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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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1answer
87 views

USB drive becomes unresponsive over time

I am using Ubuntu 20.04 persistent on a 64gb USB. I have another USB HDD I plug in, formatted as exFAT, which works for a while then after opening 1-2 files or going into a particular folder, the ...
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Pinguy Builder not working correctly on Ubuntu 20.04

I install PinguyBuilder 5.2-1 menu based, and the app works fine. I finish exporting my iso, and I get a corrupted ISO file, and a size of 34 Kilobytes. It does this every time. Specifically, I’m ...
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1answer
18 views

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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54 views

Steam Extreme CPU Usage While Downloading Games

I've recently fresh installed Ubuntu on my laptop (specs below, but more than enough to work with) and started downloading one game on Steam, but suddenly I start feeling my computer a lot slower than ...
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1answer
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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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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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Not all updates can be installed in software updater

In ubuntu 20.04 version, when I open software updater, I see "Not all updates can be installed". A screenshot is attached. Why is it happening and What to do to solve this? [It may be ...
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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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1answer
140 views

Is there any alternative to apt-listbugs for Ubuntu?

On debian apt-listbugs is used to report bugs, it can be used also to prevent a package from being installed by setting a pin priority in apt-listbugs preferences. Is there any alternative to apt-...
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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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4answers
1k views

Cannot open 90% of recently saved images (webp format)

I very recently installed Ubuntu 20.04 on my laptop and have been having this issue where I can't open most of the images I have saved. I get an error that says Unrecognized Image File Format (but ...
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Ubuntu 20.04 top bar weird display calendar

A picture speaks a thousand words: why is the calendar transparent and generally weird display? If the background isn't white, the calendar is unreadable I'm using Ubuntu 20.04
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Decoding failed and unknown chip XID 641 errors when trying to dual boot Ubuntu 20.04 with Windows 10

I'm trying to dual boot Ubuntu 20.04 with Windows 10 but when I try to boot off my live USB I get the errors: Initramfs unpacking failed: Decoding failed r8169 0000:03:00.0: unknown chip XID 641 How ...
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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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1answer
37 views

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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1answer
22 views

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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WiFi adapter not working on XPS 13 9310, Ubuntu 20.04

I recently received an XPS 13 9310 from my new employer and replaced its operating system with Ubuntu 20.04. I haven't been able to get the WiFi working correctly - sometimes the adapter will show up ...
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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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1answer
95 views

How to delete this extra partitions after installing ubuntu again

I just install ubuntu (again) on this pc, is the second time i have to install the os, because of different reasons. The thing is that i noticed this partitions on the pc. first time i installed ...
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1answer
45 views

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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1answer
37 views

Ubuntu 20.04 - Internal microphone not working

The built-in microhone from my laptop does not work. When I introduce an external microphone, that external one does work so it seems to be an issue with the internal one only. I'm on Ubuntu 20.04, ...

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