Latest Ubuntu related questions

Score: 2
What does MATE do on suspend and how to change it to pm-suspend
id flag

In Ubuntu Mate 21.04 suspending with sudo pm-suspend works perfectly. But using the power button does not work.

The dialog Power Management Preferences shows When the power button is pressed: Suspend, but nothing happens when I press the power button.

When I change the value to Ask me, the dialog where one can choose to shut down or suspend pops up, and thus I know that the button itself works. Howe ...

Score: 0
Colin avatar
Having trouble keeping Ubuntu 20.04 and Apple Bluetooth Wireless Trackpad connected
sx flag

I'm running Ubuntu 20.04 on an early 2008 iMac Pro. Until recently I've been using a Logitech Trackball as I always had issues with the Apple Trackpad connected via Bluetooth, however after one of the buttons died I dug the trackpad out again hoping to get it working before I splash out on another trackball.

At first I thought it was finally working. I checked the batteries (and for good measure ...

Score: 0
magicmomo123 avatar
Malformed entry 64 in list file /etc/apt/sources.list (Component)
us flag

I am running ubuntu 20.04, and I am trying to follow this tutorial for downloading the realsense driver https://github.com/IntelRealSense/librealsense/blob/master/doc/distribution_linux.md.

However, I am getting this error in terminal when running this command

 sudo add-apt-repository "deb https://librealsense.intel.com/Debian/apt-repo $ focal main" -u

E: Malformed entry 64 in list file /etc/apt/sou ...
Score: 0
Tuna çakır avatar
Ubuntu don't see my Vega 8 graph card
kr flag

I am using Ubuntu 20.04 version and I have a ryzen5 3500u + vega 8 hardware, but I had freezes in the videos, then I found out that my video card was not visible, but it was visible in windows and I opened a 4k video and I saw that it is working, so it is working, how can I active it :(

Score: 0
Alex Szücs avatar
How to figure out currently used kernel if uname does not tell the detailed version?
cn flag

There seems to be a lot of kernels installed:

root@v59530:/boot# dpkg -l | grep "linux-[a-z]*-"
ii  linux-aws-headers-4.15.0-1007                 4.15.0-1007.7                           all          Header files related to Linux kernel version 4.15.0
...
ii  linux-aws-headers-4.15.0-1032                 4.15.0-1032.34                          all          Header files related to Linux kernel versio ...
Score: 0
Kevin Berry avatar
How do I fix "Failed to unmount /oldroot..." errors when shutting down?
cn flag

How do I fix "Failed to unmount /oldroot..." errors when shutting down?

I'm on Ubuntu 20.04 latest updates. My boot partition is formatted "W95 FAT32 (Bootable)" in case this has anything to do with the problem.

Failed to unmount /oldroot: Device or resource busy
Failed to unmount /oldroot/dev/pts: Device or resource busy
Failed to unmount /oldroot/dev: Device or resource busy
Failed to finalize file  ...
Score: 0
Amel ha avatar
How to use Sqoop/Flume import on Jupyter notebook?
pw flag

I've been able to use Sqoop/Flume import command perfectly on Ubuntu terminal. But right now, I'm trying to do so on Jupyter notebook.

How can I import from MySQL to HDFS using Sqoop import command and Log files from twitter using Flume on Jupyter notebook?

Score: 0
mr.dyadya avatar
No sound (After I removed Pulseaudio)
lr flag
  1. When I open a video file it says "Audio output failed: The audio device "default" could not be used: No such file or directory."

  2. When Im trying to record sound in Audacity it says "Error opening recording device. Error code 0 success.

How it started:

I tried to tune my mic, heard that "pulseaudio" can be used for it. I Installed pulseaudio and it flooded my applications menu with 121 (yes I actually c ...

Score: 0
Kasia Matusik avatar
Ubuntu 18.04 LTS fake display with monitor attached
br flag

I have a Linux and Windows computer which are both connected to a KVM switch so that they share one monitor, mouse, and keyboard. The monitor is plugged into an Nvidia graphics card. If I log into the Linux computer when the KVM switch is set to display the Windows computer, the display does not refresh correctly. I need to be able to view the Linux GUI both remotely and with the local monitor, so runni ...

Score: 0
Filippo avatar
dev/sda2 full and ubuntu not booting
id flag

I am a Windows user with virtually no experience on Linux/ubuntu. However, I need to use a pc that runs on linux.

I just installed wine on the pc and when trying to restart the computer I begun to encounter problems in booting:

  1. I see the logo of the computer ('Dell') appearing,
  2. I get to the screen where I can choose the system I want to use (e.g. Ubuntu, advance, Windows)
  3. when I select ubuntu (o ...
Score: 0
Diorcula avatar
How to fix: dpkg: Warning: Files list file for package nodejs-doc missing?
ma flag

So i completely removed Nodejs by running file manager as Root and deleting every search hit for "nodejs". ' After i installed NodeJs again i get the following warning everytime:

dpkg: warning: files list file for package 'nodejs-doc' missing; assuming package has no files
 currently installed
(Reading database ... 228170 files and directories currently installed.)

How do i get the nodejs-doc files li ...

Score: 0
Shawmik avatar
How to view my ubuntu screen on my android phone
in flag

My laptop's built in display is broken, and I don't have another monitor. I want to use my android phone as a monitor, using either usb cable or local wifi network (It should work offline, using hotspot without any data connection)

Is there any way to do that?

Score: 0
PyCoder01 avatar
My laptop screen flickers when on battery power
de flag

My computer screen is flickering anytime it isn't plugged into AC power. I have figured out that this is an issue with my drivers and that I need to update them. But when I got to the Intel graphics drivers page there was no option to download drivers for Linux/Ubuntu. Is there is any way to update my Intel graphics drivers on Ubuntu?

I'm running Ubuntu 20.04 LTS on a Lenovo IdeaPad 2-in-1 4GB wi ...

Score: 0
Evolution : How to exclude some folders ftom Sync
us flag

I use Evolution to access my Exchange mailbox through the EWS plugin. I have many folders that I have "Archived" under one folder. There are hundreds of subfolders under the "Archive" folder. These folders are static and it appears that Evolution spends an extraordinary amount of time verifying that nothing has changed. I would like to exclude these folders from the synchronization process and yet maint ...

Score: 0
GHOSTH4CK3R avatar
Os error read only file system /tmp
be flag

I got this error when running saving a website screenshot with python html2image module.

Traceback (most recent call last):
  File "/data/data/com.termux/files/home/url2img&crop.py", line 3, in <module>
    hti = Html2Image()
  File "/data/data/com.termux/files/usr/lib/python3.9/site-packages/html2image/html2image.py", line 81, in __init__
    self.temp_path = temp_path
  File "/data/data ...
Score: 0
ddove97 avatar
Ubuntu doesn't seem to recognize my USB Drive as a boot option
id flag

I installed Ubuntu a month ago, but it isn't for me. I'm wanting to install Manjaro, but the problem is my system won't recognize it, despite me using BalenaEtcher to put the Manjaro ISO on it. Anyone know how to fix this?

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