Latest Ubuntu related questions

Score: 2
guyaloni avatar
Ubuntu mate shortcuts for area-screenshot and change-layout
in flag

After many years of working with Ubuntu, I finally installed Ubuntu Mate desktop as I was recommended.

At the moment I cannot manage to active the following keyboard shortcuts, which were very useful for me till now:

  • Take a selected-area screenshot:
    The shift+ImpPt (PrtScn) combination opens a 'take screenshot' pop-up which allows me to perform this action.
    However, I used to have a shortcut whic ...

Score: 0
Alexis Alvarez avatar
Problems with Gnome Extensions in 21.10
tc flag

Recently I installed Ubuntu 21.10 and some Gnome Extensions (ArcMenu and DashtoPanel). But I can´t change their configurations. The Extensions app is not working either. I installed the deb version and the flatpak version, but none of them worked.

Score: 1
Estay avatar
Ubuntu 20.04 ThunderBird apt 78 to snap 91
ht flag

I am searching a complement of this tuto How to update Thunderbird 78 to 91 on Ubuntu 20.04?.

I install/uninstall snap 91 and apt 78 many times. I always recover my data with 78, not with 91

How to recover old data of apt 78 with snap 91 ? Where are stocked the data of 91 ?
I try to modify the .thunderbird/profiles.ini unsuccessfully.

After uninstalling 91, I have a second icon of TB on my app list but ...

Score: 0
Yaz avatar
Rsync with a secondary user
de flag
Yaz

I need to give the ability for a secondary user to write files to a specific folder in the home directory of the primary user.

I created a user test without a home folder Created a secondary group, put the primary user and test in that group, gave ownership of the folder /home/{primary user}/{folder} to the group I created

But when I execute this: rsync -e 'ssh' /path/to/local/file test@{ip}:/home ...

Score: 0
swingline avatar
/shutdown: error while loading shared libraries: libsystemd-shared-245.so:
jp flag

I have a Ubuntu 20.04 server that I get this error while shutting down. I'm not really sure why or what I can do to fix it. Any help would be appreciated.

Picture of log output

/shutdown: error while loading shared libraries: libsystemd-shared-245.so: cannot open shared object file: so such file or directory

Here is output from ldd /usr/bin/systemd-machine-id-setup the file is most definitely there.

 ...
Score: 0
Ant avatar
Differences between 20.04 and 21.10 boot images
cn flag
Ant

I try to install Ubuntu on quite new Dell laptops. If I write a bootable USB drive from 21.10 image I cannot boot. I get an EFI error "invalid parameter". But 20.04 image written with same tools on same computer (running 20.04) works ok. What do I do wrong?

Ant

Score: 0
Cannot insert module via 'sudo insmod ' on Ubuntu 20.04.3 LTS
cn flag

I have a simple linux module that I want to build and insert into the kernel, but having some trouble on the 'sudo insmod <module_name>' part. Ubuntu is running on a Win10 host via VirtualBox.

Two other friends did the same steps and it worked for them. One has the kernel version 5.11.0-40 while the other has the same as me, 5.11.0-41.

The module 'linux_module.c' looks like this:

#include <linux ...
Score: 0
Rhett avatar
Cannot print on HP Color Laser 150a
cn flag

I have just purchased a HP Color Laser 150a printer and connected it through the USB port. However, nothing happens when I try to print.

I could add the printer on CUPS but when I tried HPLIP it did not recognise the printer (checking on the HPLIP webpage, it seems it may not be a supported device)

lsusb

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub

Bus 001 Device 005: ID 04ca:7053 ...

Score: 0
Talha Anwar avatar
How to convert freespace to swap memory
cn flag

I had created a swap space of 65 but some how during re-installation of Ubuntu it got converted to free space. Now i have 2 GB swap memory. I want to convert the free space to swap space.

enter image description here

Score: 0
pogodemon avatar
How can I execute a command before login?
ng flag

Ubuntu 20.04 LTS

I want to execute the command xdotool mousemove 960 540 to center my mouse pointer before login. I can do it just by adding the command to Startup Applications, but then it only runs after login. Any suggestions if it is possible?

Score: 1
Distorted and Lagged Audio on HDMI/DP sometimes
kr flag

Ubuntu 21.10 (X11)

Nvidia GTX 970 (495 drivers)

Most of the times audio works fine but out of nowhere, I get distorted audio on HDMI and DP.

When I connect my Bluetooth headset, the audio is fine.

Switching outputs, sudo pulseaudio -k, logging out/in, unplugging/plugging ports won't solve the problem. An only reboot solves the problem.

Here is a video of the problem: https://youtu.be/zAAzNl97uLU

 ...

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