Latest Ubuntu related questions

Score: 1
free lions n tigers from cages avatar
How to toggle Wacom stylus pen in double monitor?
uy flag

when you have double monitors, you have the option of mapping the stylus to one of the monitors or both. The problem with mapping it to both is that the tablet is distorted. When you write your text will be distorted.

So the solution is to be able to toggle between single and dual monitor modes easily.

Can it be done?

Score: 0
Matthew avatar
Touchscreen keyboard appears even when turned off
sa flag

I never want to use a touchscreen keyboard, but I do want to use my touchscreen as a mouse.

In settings, under universal access and typing, I've turned off the on-screen keyboard.

But whether the toggle switch is off or on, when I touch the screen, the keyboard blocks half the screen.

Score: 1
user2897184 avatar
Gnome apps display under gnome search and window overview
cn flag

Here is an example example

I have tried removing all addons, themes, tweaks and resetting the desktop to default. I have tried to search for the issue but either can't find a duplicate or I am not using the exact search terms to uncover duplicate issues. This is ubuntu 21.04 and Gnome 3.38.4

Any and all help is appreciated.

Score: 1
BlandCorporation avatar
How can a spectrogram of a sound be plotted between a defined upper and lower frequency bound?
cn flag

I would like to plot a spectrogram of a sound between a range of frequencies, specifically from 0 kHz to 2000 Hz. Using SoX (sox sound.wav -n spectrogram -x 1000 -y 800), I have been able to make a plot, but I have not been able to set the vertical frequency axis to the range I require:

How might this be done? I am happy to use a different program.

Score: 1
AndrewL64 avatar
PHP-FPM upstream error with ipv6
mx flag

I have just installed the latest Nginx with PHP7.4-fpm on a fresh Ubuntu 20.04.2 server.

I added a virtual host that has a WordPress site on it and it is loading fine but I noticed the nginx logs bombarded with errors like the following:

[error] 183472#183472: *625 connect() failed (111: Connection refused) while connecting to upstream, client: xx.xxx.xxx.xx, server: example.com, request: "GET /some-pag ...

Score: -1
RikuPotato avatar
C++ Undefined reference to a function
ng flag

I am using ubuntu 16.04 When I try to compile the program with

g++ -g main.cpp -o main

This is my g++ version

g++ --version
g++ (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

I get this compilation error

main.cp ...
Score: 0
Yusuf avatar
Display error. Horizontal stripes
in flag

Stripes began to appear on the screen. I don't know why. It happens without any action. Ubuntu starts as soon as it boots up.

https://i.stack.imgur.com/qrxcY.jpg https://i.stack.imgur.com/Etoem.jpg https://i.stack.imgur.com/QleIn.jpg

 *-display                 
       description: VGA compatible controller
       product: HD Graphics 5500
       vendor: Intel Corporation
       physical id: 2
       bus i ...
Score: 1
Jordan Lejman avatar
Left Monitor Disables on Login
cn flag

I'm running Ubuntu 20.04 and ever since getting two new 32" Dell curved monitors the left screen will be disabled every time I log back into or restart my computer. More specifically, it will initially all load correctly on login, then after about a second both screens will flash back and only the right one will come back on. I checked the display settings and for some reason the it's setting the left m ...

Score: -1
Matan avatar
screen pixels are unstable after upgrade ubuntu
fr flag

after upgrading Ubuntu and after reboot, my laptop screen pixels start to be unstable but if i am connected to a second screen the second screen pixels are fine it's only happen on my laptop, i tried to install Fedora and it's was good also after running upgrade it start again, somebody have any suggestion how to fix it?

graphic card info:

  *-display                 
       description: 3D controller ...
Score: 2
nose_gnome avatar
Updating to Ubuntu 21.04 created duplicate/dummy desktop files/folders
us flag

After updating from Ubuntu 20.10 to Ubuntu 21.04 I've noticed that all the files on my desktop have duplicated themselves, but the duplicate version cannot be opened or interacted with.

The dummy files are slightly smaller than the original, and are overlapped by the original. If I move the actual file, the dummy stays where it is until I either restart the PC or restart gnome desktop by pressi ...

Score: 0
Edwin Mantilla Santamaría avatar
sudo apt update get a warning issue with PPA Skype
cn flag

I get a warning when I execute the next command sudo apt update

W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://repo.skype.com/deb stable InRelease: The following signatures were invalid: EXPKEYSIG 1F3045A5DF7587C3 Skype Linux Client Repository <[email protected]>
W: Failed to fetch https://repo ...
Score: 0
Monojit Sarkar avatar
Missing ubuntu packages after wrong command
it flag

I messed my ubuntu 18.04LTS after I mistakenly typed

sudo apt-get remove libpython3.6-stdlib

This removed about 980 MB of packages and now many packages are missing from my ubuntu. How can I revert it back?

Score: 0
broken_cup avatar
Installation of Miniconda fails with illegal instruction
br flag

On executing bash (Miniconda installer) I am getting

installing: python-3.6.5-hc3d631a_2 ...
Miniconda3-4.5.4-Linux-x86.sh: line 355:  3886 Illegal instruction     (core dumped) "$PREFIX/pkgs/python-3.6.5-hc3d631a_2/bin/python" -E -s "$PREFIX"/pkgs/.install.py $INST_OPT --root-prefix="$PREFIX" --link-dist="$1"

I fell back to earlier installers to see if they would work, as you see, but the same error  ...

Score: 1
trashpanda007 avatar
Automatic suspend option is not available in Ubuntu 20.04 Desktop
uz flag

I am using Ubuntu Desktop 20.04.2 LTS and I would like to enable the Automatic Suspend option. I have followed the instruction from the official site but the option is not available. Only a "Blank screen" option is available.

Is the documentation wrong or what could be the reason for this?

I am using the PC as a media server without a monitor attached. I am connected via xrdp. Could this be the reason? M ...

Score: 0
Ubuntu 21 freezes after boot using nvidia prime syncronization in a hybrid GPU
br flag

I have a hybrid GPU (Intel and GeForce Gtx) - Acer Nitro 5

After install Ubuntu 21 (kernel 5.11.0-22) and Nvidia driver 465.27 I tried to fix the sync / tearing issue that happens when using PRIME performance mode:

I created a .conf file for nvidia_drm module in /usr/lib/modprobe.d/nvidia.conf:

options nvidia_drm modeset=1

and also:

sudo update-initramfs -u

But after booting screen, when the os star ...

Score: 1
Astro avatar
Ubuntu 20.04 does not detect monitor using type-c DisplayPort
cn flag

I'm using Ubuntu 20.04.2 LTS Laptop DELL G3 3500 Graphics card: NVIDIA Corporation / GeForce GTX 1650 Ti/PCIe/SSE2 (from system settings)

I've used to connect my second monitor using type-c displayport, but it seems not to detect it anymore.

Tried to install and reinstall NVIDIA drivers versions 390, 435, 440, 450, 460, 465. Updated and reinstalled displaylink driver. Secure boot is disabled in BIOS ...

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