Latest Ubuntu related questions

Score: 0
kruemelprinz avatar
Ubuntu studio 20.10 sleep mode stopped working
us flag

I have Ubuntu studio 20.10 installed alongside windows on a Dell precision 5540 laptop. I have been running this setup for a couple of months now and sleep mode has always been working, triggered by lid close, by manual activation from the power menu or when idling for longer periods on battery, as set up in the power management settings.

A couple of weeks ago, the laptop suddenly would not go to ...

Score: 1
John avatar
Ubuntu 20.10 - No Sound, Audio Controller: , 'Dummy Output'
ke flag

My speakers work fine on windows, I've just been trying to get them working on Ubuntu but 'Dummy Output' is my only listed output device. I've reinstalled Ubuntu, gone down a few rabbit holes and I can't fix it. Any tips?

ALSA Info: http://alsa-project.org/db/?f=3f026652460a271930b3e5a3e1a3aea0620c7024

Version: Ubuntu 20.10

Device: Acer Swift 315-52

Commands:

aplay -l #1
alsamixer #2
alsamixer -c ...
Score: 0
Sanath Coonani avatar
How to install Minecraft-Forge in Ubuntu 20.04.2 LTS ? (AWTError)
au flag

The error says:

sudo java -jar Forge.jar

JVM info: Private Build - 1.8.0_292 - 25.292-b10
java.net.preferIPv4Stack=true
Found java version 1.8.0_292
Exception in thread "main" 
java.awt.AWTError: Assistive Technology not found: org.GNOME.Accessibility.AtkWrapper
    at java.awt.Toolkit.loadAssistiveTechnologies(Toolkit.java:807)
    at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:886)
    at ja ...
Score: 0
SamS87 avatar
Sending Email from Comand Line in Ubuntu and specify Sender
no flag

Installed mailutils on my Ubuntu 20.x Server via sudo apt-get install mailutils. And did basic setup and can send mail from the comand line but run into a few issues. a) One i need to be able to set the from Email as it currently uses the hostname as the domain name like couch@couch-cluster-a. Where can i change that ? I tried -r 'Couch Base couchbackup@domain.net' but that did not work. b) when i atta ...

Score: 1
Shane avatar
How do I choose which monitor that my virtual console is on?
br flag

I turn on virtual console and when I do, it uses my first monitor when I want it to use my second monitor. I don't know how to select which monitor it goes on, I have also tried to do primary monitor and it still doesn't work. If anyone knows how to fix it, please help. Thank you.

Score: 0
How to open/read a mysql .err error log
cn flag

can anyone teach me how to open a MySQL .err log in ubuntu gnome? i tried to use text editor or nano to open it but it is completely blank. Does it require a special software to open it?

thank you for your help.

image

Score: 0
Ullrich Fischer avatar
Ubuntu 20.04 Snap store app does not come up except
cn flag

This morning (the next day after I posted the below) it seems to be working normally again. I had tried rebooting several times before with no effect, so have no idea what changed, but when I went to Show Applications in the favorites bar this morning and clicked on the Ubuntu Software icon, it worked the way it always did. It took a long time to load the software list but no longer than in the past.  ...

Score: 0
Bryan Ad avatar
Ubuntu is installed, but when I reboot my laptop, the operating system does not work
ru flag

I installed Ubuntu on my laptop (i5, Nvidia 940m, 8 gb, 1 TB) trying to have a dualboot. Everything goes well at first I get the installation screen, I choose the partition etc, Everything goes well until the time of restart, I remove the USB where Ubuntu is, but I do not start Ubuntu I turn on my laptop with Windows, I'm new, and I have not worked any tutorial What could be the problem? Thanks

T ...

Score: 1
Mona Jalal avatar
Killing all Python processes that are using either of the GPUs
gb flag

I have the following and I don't want to enter the PID of each Python process that uses either of GPUs one by one. How can I do so?

+---------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                              ...
Score: 3
dnaik avatar
How to disable hover to click on top bar?
fr flag

I am using Ubuntu 20.04 LTS with GNOME. When I go to the top bar and click on the Applications button, the applications menu opens up. However, while taking the mouse to my required application, it often travels over the Places button, which automatically opens the places menu. I do not want this to happen.

How do I configure it so that a menu opens only when I click on it and not when I hover my m ...

Score: 0
Edwin avatar
Disable gvfsd & goa-daemon for ssh login (or any non-real user login)
it flag

After I upgraded to the latest Ubuntu 20.04. I noticed users that login via ssh (even for users just do port forwarding or system user e.g. gdm) have gvfsd & goa-daemon & all their related processes spawned in the background. Is there any way to disable that for non-GUI users login?

Score: 2
nur88 avatar
install QT ubuntu OS raspberry pi
ky flag

Hi is there anyone know how to install QT to ubuntu OS with raspberry pi 4. I try to install QT in Ubuntu 18.04 but there is error say '/lib64/ld-linux-x86-64.so.2': no such file or directory'. I download QT software from the website and try to run it but nothing appear. and when I try to run using terminal it give this '/lib64/ld-linux-x86-64.so.2': no such file or directory' error. Does anyone know ho ...

Score: 9
Ghostkeeper avatar
Microphone not showing up as input device in settings, only in pavucontrol
in flag

I have an audio interface, a UMC404HD, that I use both for my speakers and for my microphone. It's plugged in via USB cable. This used to work under Ubuntu 20.10. However something seems to have gone wrong as I updated to 21.04.

The main problem is that I can't select the interface as microphone input any more. The only available input is from my webcam, where previously it allowed me to select t ...

Score: 0
helena george avatar
ssh login halts partway through, and terminal freezes
pt flag

When I try to log into my remote Ubuntu server, I log in successfully, but my terminal freezes, displaying only half of the welcome banner.

This is how my terminal looks when in freeze :

Welcome to Ubuntu 20.04.2 LTS (GNU/Linux 5.4.0-1045-aws x86_64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage

  System  ...
Score: 0
sdo avatar
What kind of machine can I use to install Linux Ubuntu?
us flag
sdo

I have already followed a process for instaling Ubuntu by myself without knowing anything about this OS back in 2005 (I had background for installing OS s.a FreeBSD 4.2). My machine was bought on 2005 (old one) and was HP AMD 64 (now the machine does not work anymore and, I want to change it). I heard that there was issues around 2015 by installing Ubuntu on machine by erasing Windows 10 on machine boug ...

Score: 1
DonP avatar
Ubuntu 20.10 Cannot Install or Uninstall MySQL
cn flag

In trying to update my system prior to upgrading to 21.04 LTS, MySQL was giving errors that it could neither be updated nor repaired so I purged it with:

sudo apt purge mysql-server-8.0
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be REMOVED:
  mysql-server-8.0*
0 upgraded, 0 newly installed, 1 to remove and 0 not upgrad ...

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