Latest Ubuntu related questions

Score: 2
Benjamin Bencik avatar
Synaptics touchpad Issue after OS reinstall
br flag

recently I have been facing with issues for Nvidia drivers and eventually I decided to clean install Ubuntu 21.04. which indeed solved the issue. However, now my touchpad is not working at all. At this point I am quite desperate and feel like I have tried everything. But I am not a highly experienced Linux user so there is a chance that I did not do something correctly.

Previously I was running U ...

Score: 0
username avatar
Can't install mpv on Ubuntu 20.04.3 due to dependent packages are "not installable"
ng flag

I'm trying to install mpv player on fresh Ubuntu 20.04.3 installation with

sudo add-apt-repository ppa:mc3man/mpv-tests
sudo apt update && sudo apt install mpv

But response is as follows:

$ sudo apt install mpv
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impos ...
Score: 0
reazz avatar
Are snap packages in Ubuntu 20.04 safe? Some (installed by default) show "Source Unknown"
in flag

So I just installed a fresh new system with Ubuntu 20.04.

After applying all the updates I opened the Ubuntu Software-store to see that I had a whole bunch of software already installed in the form of snap-packages.

Most of them comes from the source: ubuntu-focal-main, GNOME developers etc. However some packages like the "Print Settings" shows up as Source Unknown. What does this mean?

I'm really hesi ...

Score: 0
the law avatar
I just installed Ubuntu 20.04 LTS but my sound doesn't work
ch flag

I am new to Linux and I just installed Ubuntu 20.04 LTS but my sound isn't working.

I searched for some solution and tried some that I found but nothing worked.

What should I do? Below an img with the sound settings.

Below my pc specs:

product: B250M-D3H (Default string)
   product: B250M-D3H-CF
         product: CMK4GX4M1A2400C14
         product: CMK4GX4M1A2400C14
         product: CMK4GX4M1A240 ...
Score: 0
Vladimir Kalachikhin avatar
How to mount storage by desktop shortcut?
de flag

I want to mount by click to shortcut on desktop.
My shortcut:

    #!/usr/bin/env xdg-open
    [Desktop Entry]
    Version=1.0
    Type=Application
    Terminal=true
    Icon=mate-panel-launcher
    Exec=sshfs 192.168.10.10:/home/www-data /home/stager/mnt/home.www-data
    Name=sshfs 192.168.10.10

On initiate this, terminal opened, password asked. But mounting not happens.

Alternatively, in terminal:

Score: 0
Fadi avatar
How do I downgrade JDK?
fr flag

I installed JDK with the Ubuntu Software application which selected JDK-16.0.2, and I need to downgrade to version 11.

Score: 0
With multi-server setting Cantata player doesn't play in external bluetooth speaker (and is absent Audio Volume Settings' applications list)
br flag

I don't really understand how Cantata works with MPD, I just want it as a normal (local) music player, usually using an external bluetooth speaker.

Other players (VLC, Qmmp etc) work as expected and are listed in Kubuntu's Audio Volume Settings (where the speaker can be set for every player or stream), but — when installed from the Ubuntu repos with basic settings ('Standard multi-user', 'Conn ...

Score: -2
Martin Carp avatar
create a keyboard shortcut to type a character
np flag

I'm looking for and I can't find what I'm looking for

Is there a way or program to create a key combination to enter a special character?

Actually I just want to press alt + 61 and it returns an "=" and so with several codes, I don't need all the ascii but I do need several.

Linux has so many years of life and there was never a way to achieve it?

Score: 1
Random erroneous characters when writing to an ocfs2 drive
cn flag
Ray

I look after a cluster of servers running Ubuntu 20.04. Each one has their drives exported via NFS to other servers. They are ext4 file systems.

Also, we have a disk array (i.e., a SAN) which has been formatted as an ocfs2 (Oracle Cluster File System). This is mounted by the servers to provide additional disk space.

Everything appears fine... Except for one or two programs. These programs generat ...

Score: 2
Prof.Chaos avatar
How to put multiple PDFs on one page (e.g., four on one / 4 on 1) with annotations preserved?
us flag

I have a PDF document (slides) with annotations performed with a pen. For the handout, I want to print them in 4-on-1 fashion, and thus of course including the annotations.

There are some solutions on StackOverflow explaining how this 4-on-1 printout can be achieved, but by default these solutions do not preserve the annotations. The problem here seems to be that annotations are on a different lay ...

Score: 1
Praveen V avatar
Google chrome not launching
cn flag

I am not able to launch chrome in Ubunut 18.04.3. When I tried to launch it from terminal I am getting the below error

$ google-chrome
[0830/111137.812090:ERROR:file_io_posix.cc(207)] open /home/praveen/.config/google-chrome/Crash Reports/settings.dat: Permission denied (13)
Score: 0
Mmm avatar
Ubuntu 21.04 Broke Passwordless SSH Shutdown
us flag
Mmm

I recently had passwordless SSH shutdown and reboot working on Ubuntu 20.04, but after upgrading to Ubuntu 21.04 it no longer works.

I have key based authentication set up correctly, and can ssh into the Ubuntu 21.04 computer without a password. But my passwordless shutdown and reboot commands no longer work.

My /etc/sudoers file has the following as the last entry:

[USERNAME] ALL=(ALL) NOPASSWD:/usr/ ...

Score: 0
Seamus avatar
UFW not logging on fresh 20.04 install
us flag

I am not getting any UFW logs in /var/log/ufw.log.
I have tried everything on

to no avail. sudo dmesg | grep UFW does show me UFW logs, so they are ending up somewhere...

This is a fresh Ubunt ...

Score: 2
ChuckSpadina avatar
Laptop display missing from settings and screen black
gr flag

So I had everything set up how I wanted, 2 Dell external monitors with my laptop screen turned off.

Come to my computer and the laptops display is on but black, and one of my Dell screen is off. I go to my display settings and i see this.

enter image description here

so I tried rebooting, no change.

I unplug the two external monitors and laptop screen is still black.

One of the external monitors i HDMI plugged into a HDMI to USB-c  ...

Score: 0
Jupiter avatar
Best way to move all files from /home backup folder into new /home partition on a different drive
et flag

My install had the /home folder inside /. I wanted to add a separate /home partition, so I created a small backup partition on a different drive, added it to /etc/fstab, and used rsync with -aXS to move my old /home folder to this new partition. I then did a fresh install with a /home partition. Now I would like to move my files back from the old /home folder into the new /home directory. What is  ...

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