Latest Ubuntu related questions

Score: 0
rogersjoshmac avatar
Only one monitor detected on Ubuntu 18.04.5
br flag

I've had an Ubuntu 18.04.5 PC that worked perfectly fine. I've had to reinstall it, and after that, of course, only one monitor is detected.


I have no graphics card. This is the output of lshw -c video:

root@workstation5:~# lshw -c video
  *-display UNCLAIMED       
       description: VGA compatible controller
       product: Intel Corporation
       vendor: Intel Corporation
       physical id: 2
     ...
Score: 1
tehkonst avatar
Xfce. Show last notifications keyborard shortcut
us flag

On xfce there's the bell on the panel that I click to view last notifications. I'd like to popup the last notifications window with a keyboard shortcut. How is it possible to do this?

OS - Xubuntu 20.04. xfce4 v.4.14

Score: 0
Jhon Rambo avatar
Installed Ubuntu deleted it, now no OS working
in flag

I was trying to switch to Linux from Windows system. I installed Ubuntu for dual boot but don't know what went wrong and when it asked to restart after installation then again it started showing the dashboard for new installation. Then I removed the pendrive and it started showing that 'no bootable device'. After that I went in the installation menu of Ubuntu and deleted all the 3 paths. I am trying to  ...

Score: 0
APT Update - what happens after fetching?
in flag

I am running a docker container in which I then chroot into a SDcard image of another architecture.

host -> docker -> chroot -> mounted image

In order to install some packages on the image I am running apt-get update beforehand. Otherwise some packaged fail with a 404 error.

The updating was super slow until I found a bug report saying that 'mounting proc too will increase the speed'. I  ...

Score: 0
lionel2683 avatar
missing modules (cat /proc/modules; ls /dev) dev/mapper does not exist
gb flag

I had encountered an issue. I manually installed an older kernel version (linux-image-5.4.0-48-generic) using apt install linux-image-5.4.0-48-generic. Installation was successful, execute update-grub and update-initramfs -u -k all without any error.

When I reboot, i got the error as shown.:

Error message 1

Error from grub boot

Error message 2

Have anyone encountered this issue before?

Score: 2
Masterninja07 avatar
How to make unlimited mobile hotspot trick work on linux?
br flag

I recently dual booted into ubuntu because my Windows os is very slow to multitask. Surprisingly, when I tested most of my workspace in ubuntu, it can handle them very well than windows did (basically alt tabbing in windows took ages alongside the not responding message).

Now I planned to change my main os to linux but I ran into trouble when I wanted to do the unlimited hotspot trick on linux. I ...

Score: 0
michaelmixon avatar
Low disk space Filesystem error - strange issue Ubuntu 20.04
ao flag

I have encountered the following issue: I turned on my computer and i received a notification about low disk space filesystem error. I ran a check on the partition which showed a few library red coloured. I tried to free some space up, but i found it strange since i did not have that many files on my computer to be full. I also deleted the previously used kernels but the issue remained the same, i got t ...

Score: 0
average.everyman avatar
ubuntu reinstallation on dual boot with Win10 - several hardware pieces (wifi adapter, sound card, integrated graphics) not detected after reinstalls
us flag

I reinstalled my Ubuntu 20.04 (on dual boot with Win 10) and my sound, wifi adapter are not discovered. Also there seems to be a problem with integrated graphics (llvmpipe shows up in Settings>About instead of what I would expect to be an Intel integrated graphics; also there is no option to manage multiple monitors). I attempted the re-installation of Ubuntu already several times, and still get thes ...

Score: 2
PabPabPab avatar
Open a GUI in a Docker container running on a headless machine
in flag

I'm trying to open Firefox GUI on a Docker container. I'm avoiding most common solution which seems to use at one point /tmp/.X11-unix from host because I want the container to work on any host, including a headless host without X11.

The goal is just to use selenium to open Firefox GUI and take a screenshot. I'm not quite sure if it possible but I guess it is.

FROM ubuntu:latest

RUN DEBIAN_FRONTEN ...
Score: 2
Daniel avatar
Mouse pointer doesn't change shape depending on hovered elements
cn flag

Summary

For a few days now my mouse pointer does not change it's shape in Chrome, Firefox or PhpStorm anymore. For example when I hover a link it won't turn into a pointer. In Thunderbird it works just fine.

Setup

  • Ubuntu 20.04.2 LTS
  • Kernel 5.8.0-59-generic
  • x11
  • Chrome 91.0.4472.114
  • Firefox 89.0.2

Details

It seems to affect all mouse pointer shapes (pointer, cursor, etc.) in Chrome, Firefox and PhpStorm.  ...

Score: 1
Installing 21.04 on Gigabyte B560M DS3H with Intel Core i9 - Multiple problems
in flag

I have a brand new machine comprising

  • Motherboard: Gigabyte B560M DS3H
  • Processor: Intel Core i9-11900 2.5GHz (Rocket Lake)

After quite some troubleshooting I have managed to install Ubuntu 21.04 on this machine but I still have some problems. Skip to the end for the unresolved questions.

In order to get Ubuntu installed and booting I had to take the following unusual steps:

  • To avoid power-off duri ...
Score: 0
Heta Rikala avatar
How do I re-enable warning messages?
lk flag

Yesterday I got warning message that 'root has less than 1 GB of space left'. I clicked 'ignore' in mistake and now I want warning message features back. Is there easy way out? I use Focal Fossa.

Score: 0
Unable to log in after 20.04 upgrade
br flag

I upgraded from 18.04 to 20.04 on my Linux-only Thinkpad (after a great deal of hassle on account UEFI, and finally using boot-repair to update grub). The laptop now boots without a problem, but I'm still unable to get in.

The login screen shows my name, and when I enter my password, the screen blanks for a second and comes back to the same login screen with my name.

I am able to use my password to  ...

Score: 0
Kiminuo avatar
systemd-inhibit and prologing awake state
gf flag

I have read http://manpages.ubuntu.com/manpages/focal/man1/systemd-inhibit.1.html and I still wonder what the following command exactly does:

systemd-inhibit --what="idle:sleep" --mode=block sleep 3600

I understand that a computer cannot go to sleep for one hour (unless the associated process is killed). But then I'm not sure whether after that one hour period it may happen that the computer can g ...

Score: 0
iliya avatar
fsck.ext4 does not fix file system problems entirely
us flag

every now and then I fall into emergency mode and have to use command below to recover ubuntu:

fsck.ext4 /dev/sda3/

it works as expected and recover ubuntu. However, after using ubuntu once or twice and after restarting OS, I have to run fsck again. And it is also causing some problems when I'm using OS for example: read-write are too slow on HDD and all of a sudden everything turns to Read-only file ...

Score: 0
Nutan Panta avatar
Is there a way to get hdmi connected device port information like we can using xrandr?
ye flag

Using xrandr we can get information such as connected screen and if the HDMI port is connected or not but is there a way to get such information of the devices connected to my device. For example I am connected to my TV using HDMI cable and the TV has two HDMI port and I connected to the second port but is there a way to get that information that my device is connected to the TV using its second HDMI ...

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