Latest Ubuntu related questions

Score: 1
nPHYN1T3 avatar
Upgrade to 20.04 can't use GPU!
us flag

I just upgraded from 18.04.5 to 20.04.3. Using nVidia 470.57.02 The system can no longer use my primary GPU. It defaults to the "crappy" secondary GPU. If I enable my screens - add another XScreen for the screens on the main GPU xfwm (and most things) crash and glitch out.

(xfwm4:3126): Gdk-ERROR **: 22:09:25.726: The program 'xfwm4' received an X Window System error.
This probably reflects a bug in ...
Score: 2
n00dles avatar
Editing Ubuntu ISO with Cubic to skip the disk check?
ae flag

Is there any way to skip the disk check in Ubuntu 20.04 LTS by editing the ISO with Cubic? If possible, can we edit it in such a way that I get a new menu-entry on the try/install page. So, right above the "Try Ubuntu without installing", I'll have something like "Try Ubuntu (Custom)" which skips the disk check?

Edit: Please excuse my bad habit of referring to 20.04 LTS as 20 LTS

Score: 0
Ubuntu User avatar
How did I print using Canon G2000 printer in Ubuntu 20.04
it flag

My Canon G2000 printer is connected to Ubuntu 20.04 LTS but I can't print. After sending the print message, it disappears and no print out is obtained and the printer received light is not blinking. Kindly help to solve this problem.

Printing menu

Printing job but not printing

Score: 0
nOpe avatar
Ubuntu 18.04 - Auto connect to mobile broadband on startup
gb flag

I have a device running Ubuntu 18.04 and use mobile broadband as the main connection (no ethernet or wifi):

Photo of Mobile Broadband Connection

Every time I boot the system, I need to manually connect to the network. How can I make it automatically do this on every boot?

Score: 1
m_krsic avatar
SSH Challenge response in Thunar or Nautilus?
de flag

So I have a project where I need to access a server with SSH that has both priv/pub key and 2FA challenge response verification enabled.

The following works:

  • Command Line SSH access
  • Using WinSCP in Windows

Both of these prompt for the challenge response code for 2FA.

Is there a way to get Thunar or Nautilus to prompt for and accept challenge responses for SSH? The currently working methods require me to ...

Score: 0
Kushagra Srivastava avatar
I want to merge an unallocated space with my Ubuntu Partition but i can't
ai flag

I used G-PARTED, the partition managing application, to merge my Ubuntu Installation Partition (sda6) with unallocated space. When I try to increase the Ubuntu partition with the resize option, no extra space is available. How can I enlarge my system partition sda6? Unallocating operation is successful

Unallocating operation is successful

The Unallocated space is just left of the Ubuntu Partition

The Drives to be merged are the /dev/sda6 and the unallocated space left of it.

It shows the max and min size same and does not let me merge them

It shows the m ...

Score: 0
GregoryD avatar
Cursor Hover-Over Icon Information
cn flag

I recently upgraded to Ubuntu 20.04.3 LTS Focal Fossa From 18.04 Bionic Beaver. Using 18.04, when I hovered the mouse cursor over a desktop icon or any icon,a description of, or the name of, what the icon represented would appear. I only get a preview window on the open browser icon on the tool bar now. I can't find anything in settings or Tweak. I'm sure it's simple but then so am I. I'm more than happ ...

Score: 2
rearThing avatar
Ubuntu shows desktop prior to the password prompt
cn flag

A duplicate of this (Logging in after sleep shows desktop prior to authentication screen) from 2013 but no solution is given there.

There is a second delay between waking up the laptop and the password prompt in which the desktop is visible with whatever you have open.

I was able to take a picture.

This is a security issue as anyone can view your screen.

Did not have this problem prior to Ubuntu 20 ...

Score: 1
Package excluded from apt full-upgrade yet notified that update is available
eg flag

I am not fully grasping this upgrade problem. Can someone please enlighten me?

$ apt list --upgradable

Listing... Done

modemmanager/hirsute-updates 1.16.6-2~21.04 amd64 [upgradable from: 1.14.10-0.1]
N: There is 1 additional version. Please use the '-a' switch to see it

$ apt list --upgradable -a

Listing... Done

modemmanager/hirsute-updates 1.16.6-2~21.04 amd64 [upgradable from: 
modemmanager/ ...
Score: 0
Georgiy List'ev avatar
Slack is autoremoving after reboot for no reason
cn flag

I have slack installed. Installed package with dpkg. After every single reboot/shutdown it just disappears from system. This happens only with slack. I have to reinstall it every single system launch, i am tired. How to fix this? Why application removes after every reboot, is this even legal?!

Score: 0
Brad Thompson avatar
Snapd does not mount snap block devices
nl flag

Distro: Ubuntu 21.04 (Hirsute Hippo)

I removed snapd (which obviously removed snapd) many times and then after install snapd all the snaps were OK. This time I reinstalled AppArmor and install snapd, enable and running but this time did not mount snaps.

The following packages will be REMOVED:
  apparmor* apparmor-easyprof* apparmor-notify* apparmor-profiles* apparmor-profiles-extra* apparmor-ut ...
Score: 1
SomebodyWillDie avatar
Clear command returns 'xterm-256color': unknown terminal type
us flag

Just now, the clear command has not been working and returning 'xterm-256color': unknown terminal type. %!s(<nil>) However, I have already scoured the web looking for an answer, and have not found one, I have tried setting my terminal to linux, ansi, and a few others with no luck. I am running x64 Ubuntu 20.04.3 LTS, and any help would be appreciated.

Score: 0
QCmonkeyboy avatar
Ubuntu 20.04 no sound from Motherboard
jp flag

I installed Ubuntu 20.04 LTS and I have no sound, even if I try it from the CD. For now, I tried to reinstall pulseaudio and alsamixer, but I still have no sound. The only sound I can get, is, if I plug in my headphones to my yeti microphone, but no sound is coming from the audio port on my motherboard.

My motherboard: X58A-UD3R
Its audio chip: Realtek ALC889

In the settings / sound I have four output dev ...

Score: 0
qwerty6 avatar
Can't use Windows after shutting down PC during dual-boot Ubuntu instalation
in flag

So I was installing dual-boot Ubuntu, but it was stuck so I shut down my PC while installing and turned it on again. Now, whenever I don't have the USB drive (containing Ubuntu) plugged in, my PC goes into the BIOS settings instead of Windows 10. How can I use Windows again?

Also, my grub.cfg is in /cdrom/boot/grub and this is my filesystem: https://pastebin.com/32SJN00j

Score: 0
Brad Thompson avatar
SELinux removed but the kernel tries to load it at boot
nl flag

Distro: Ubuntu 21.04 (Hirsute Hippo)

Can somebody help me: What are the sources of these files below? I purged SELinux* /etc/default/grub was cleaned of SELinux and I still received an error at boot.

 root@zika:/home/brad# dmesg |g selinux
    [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.11.0-31-generic root=UUID=2231b73b-cd11-4c0d-99fd-f8ba4a22b922 ro security=selinux quiet splash
    [    ...

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