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Please help configuring NVIDIA-SMI Ubuntu 20.04 on WSL 2

For newer versions, nvidia-smi is supported on WSL2 by default, just install the required Windows CUDA driver, and the WSL2 packages come along with it. On a side note, if nvidia-smi does not directly ...
adbarca10's user avatar
-1 votes

problem to install anything

It seems that your server cannot get upgrade information from http://mariadb.mirrors.ovh.net, so you should change to another mirror of MariaDB. And you can get mirror-lists from https://mariadb.com/...
Cloudusts's user avatar
0 votes

App icons missing from installed flatpak like Spotify, Simple Note in Kubuntu

you can run this onliner: for f in $(find /var/lib/flatpak/app/ -depth -type f -name '*.desktop');do sudo cp -v $f /usr/share/applications/$(basename $f) ;done or put a cronjob for it.
Ynnub Redrum's user avatar
0 votes

HDMI port not working with Ubuntu

In my case, one process was blocking ~/.config/monitors.xml file, so it was not writable. Only fresh monitors were working fine, old ones were ignored. I removed that file to reset all settings. Now ...
qba-dev's user avatar
  • 334
0 votes

Menu bar and toolbar of few applications are very tiny in ubuntu 20.04

Here is what resolved this for me. Adjust the size to your liking. I decided to use a size of 3 on my Pixelbook Go. echo 'export GDK_DPI_SCALE=1.5' >> ~/.bashrc echo 'export QT_SCALE_FACTOR=1.5' ...
SeasonedSolutions Advisor's user avatar
0 votes

How to open new instance of disk usage analyzer/baobab

I'm going to add to @Williams answer because I had the same problem as @Steven Lu did in the comments. In order to start the 2nd instance I had to run it as: sudo nohup dbis-run-session baobab (No &...
Marcelino Lucero III's user avatar
0 votes

libGL error: failed to load drivers iris and swrast in Ubuntu 20.04

I had the same issue, tried everything, reconfiguring the symbolic links and environment variables but at the end what worked was installing g++ compiler conda install gcc=12.1.0
Muqsit Amir's user avatar
1 vote

Okular breaking /home directories links

I also have this trouble, in my case on Ubuntu 22.04, I resolved by installing Okular from the terminal instead of the Ubuntu Software app.
Mattia Dutto's user avatar
3 votes

CVE-2023-3824, CVE-2023-3823 on PHP

For CVE-2023-3824 for example you can see the PHP issue and see the problem code referred to there in ext/phar/dirstream.c. You can see the fix that was applied (https://github.com/php/php-src/commit/...
OldPec's user avatar
  • 31
0 votes

How do I fix high memory usage on Ubuntu 20.04.3 LTS?

Copying @Devvrath's comment into an answer, since it is 3 years old now and has not been converted yet. @Devvrath had installed the preload package, after uninstalling the package their issue ...
effect's user avatar
  • 101
6 votes
Accepted

Krita does not uninstall from Ubuntu 20.04.6 LTS

Ubuntu's software installation GUI may decide to install the snap version of packages. In this case, you can remove Krita with the following command: sudo snap remove --purge krita The two main ...
Daniel T's user avatar
  • 3,541
0 votes

How to configure Wi-Fi hotspot on RPi4 with Ubuntu 20.04 and network created from the 5G modem

You have to write IP address/cidr for your wlan0 first. Then enable packet forwarding in /etc/sysctl.conf. Check your DHCP server configurations and iptables/nftables rules.
ruakh's user avatar
  • 1
0 votes

How to set as default Performance mode on Ubuntu 20.04 instead of Powersave?

Many answers on this issue require installing new applications like cpufreq, cpupower or powerprofilesctl. New applications are NOT necessary. As this GitHub post states: For some reason in Ubuntu 20....
WinEunuuchs2Unix's user avatar
1 vote
Accepted

Connection timed out while trying to connect through Java Socket

I have added port 18934 on google cloud VPC firewall and it worked. It was configured previously only to allow SSH connections from port 22, i needed to set range 0.0.0.0/0, and protocol/port tcp:...
Drownek's user avatar
  • 11
-1 votes

Low disk space on Filesystem root despite having plenty of space in `home`

I had the same problem. ubuntu-22.04.3-desktop-amd64 in VMware. Before, you will need to increase a partition size with VMware tools. It was solved with app disks. Go to utilities, run app Disks, ...
Maga's user avatar
  • 1
0 votes

How do I invert tablet orientation?

As muriki said, you need to insert the code line Section "InputClass" Identifier "<your tablet name>" MatchUSBID "<lsusb code>" ...
Dero's user avatar
  • 1
0 votes

Fan control on HP Pavillion Desktop Ubuntu 20.04

After the help from rtaft, I was able to get fan control working without changing my kernel version or upgrading distros. The HP TG01-1xxx motherboard has a Super I/O chip from ITE electronics which ...
reed foster's user avatar
0 votes

Video Freezes System in Ubuntu 20.04 or 22.04

Try using Xorg graphics system (log-out, select "Ubuntu on Xorg" option from an icon at botton-left of screen, then log-in again). Some apps seem to work better using different graphics ...
Stephen Lawrence's user avatar
0 votes

kde-runtime on Ubuntu 20.04

In 2024, the available packages in Ubuntu based systems are: kde-full - The KDE Plasma Full installation includes the KDE Plasma Desktop and an extensive set of applications, providing the most ...
Timothy C. Quinn's user avatar
0 votes

ACPI BIOS Error messages when booting Ubuntu 20.04

I had the same problem. One time i decided to press Enter multiple times when that appeared and it worked.
Henrique's user avatar
1 vote

I uninstalled snap. Is it safe to delete /var/lib/snapd/?

Snap can be safely removed from an Ubuntu install. The system directory /var/lib/snapd/ is solely used by the snap system, and thus can be safely removed if it was left behind after installation. That ...
vanadium's user avatar
  • 87.4k
0 votes

WARNING: /bin/sh is not bash! - No tftp server found

The recommended action in the petalinux docs successfully got rid of the warning. Run sudo dpkg-reconfigure dash, then select no when prompted. Now you should no longer get "WARNING: /bin/sh is ...
noobest's user avatar
  • 11
1 vote

Sound coming from laptop when when headphones are connected Dell latitude 7440, ubuntu 20.04

I had the same problem (same device: Latitude 7440 with Ubuntu) and found a solution: Once I downgraded the Dell BIOS firmware from 1.10.0 back to version 1.4.1, the issue was resolved (also tried to ...
Michael Vrazitulis's user avatar
0 votes
Accepted

OpenVPN is not listening on any port

The problem is that you are targeting the wrong service with your sudo systemctl status openvpn. You don't want openvpn.service which is a dummy service that just exits immediately with /bin/true, and ...
Daniel T's user avatar
  • 3,541
0 votes

kate error: Unable to create KIO worker. Can not find a KIO worker for protocol "sftp"

As mentioned in the update, the fix was to uninstall the snap version of kate, and reinstall the apt version of kate. The apt version of kate works with sftp with no errors.
raphael75's user avatar
  • 335
0 votes

How do I disable middle mouse click pasting clipboard?

I had the middle mouse button paste problem on Kubuntu 23.10. The only solution that worked for me and was easy to follow is at http://www.humans-enabled.com/2019/03/how-to-disable-mouse-middle-click-...
Developer 123's user avatar
1 vote

How to install `g++12` on Ubuntu 20.04.6?

This question has been answered by @Marcus Müller in the Unix & Linux question How to install g++12 on Ubuntu 20.04? Essentially, Marcus Müller says that it may be possible to install g++12 on ...
BeastOfCaerbannog's user avatar
1 vote

After attempting to update via 'ubuntu software' app my Dell docking station is extremely unreliable and connects/disconnects rapidly

I was able to fix the problem using this command: $ sudo fwupdmgr downgrade Choose a device: 0. Cancel 1. f743db9ca9b0a22e945bc76c8a3f31daa131ed7e (Package level of Dell dock) 2. ...
Sev's user avatar
  • 37
0 votes

How can I change the date and time format in GNOME Shell's top bar?

For GNOME versions up to 45 (Ubuntu 23.10)* The Panel Date Format by atareao extension mentioned in my other answer supports, at the time of writing this answer, GNOME versions up to 44 (Ubuntu ...
BeastOfCaerbannog's user avatar
0 votes

MSI Katana is not finding the SSD during Ubuntu 20 installation

The only solution that worked for me (I also have MSI Katana 15) is shutdown of Intel VMD Controller in BIOS (Advanced -> System Agent (SA) Configuration -> VMD Setup Menu -> Disable VMD ...
Регина Куркова's user avatar
0 votes

Some popular tools are missing in GIMP 2.10 in Ubuntu 20.04

The Gimp developers prefer Flatpak for distribution now. The recommended way, therefore, is to go to the Resynthesizer Github and follow the instructions there for installing the Flatpak Gimp and ...
Dave Rove's user avatar
  • 281
6 votes

Home directories turned into symbolic links without telling me the reason

Leaving this here for anyone experiencing the same issue. I was able to find a permanent solution for my case. The culprit is Okular, the snap version to be specific. I used the solution provided by ...
Sol's user avatar
  • 61
0 votes

What is the default password encryption method used in ubuntu 20.04

@user10489 has a pretty good answer, but let me add to it. The authentication process is managed by PAM on Debian and thus Ubuntu, and is configurable in /etc/pam.d/common-password. Pay attention to ...
wangd's user avatar
  • 1
1 vote

My computer can't find wifi network on channel 13

You could try this, I altered some of the atheros code, in terminal sudo apt install git dkms git clone https://github.com/jeremyb31/ath-6.5.git cd ath-6.5 make -C /lib/modules/$(uname -r)/build M=$(...
Jeremy31's user avatar
  • 12.6k
0 votes

Display Brightness Not Changing Lenovo Thinkpad T14s

I had a similar issue (could not adjust screen brightness T14s with AMD CPU + iGPU, although Ubuntu 22.04), and I hope that the following helps you. For me the fix was to install the AMD GPU drivers ...
Thinklex's user avatar
0 votes

AppArmor error Gnome Software Ubuntu 20.04

I faced the same error today on my Ubuntu 23.10 and found this question. I tried the solution of the OP in the comment but it didn't work. I looked in the Ubuntu forums and found the answers in this ...
Ajay's user avatar
  • 1,044
0 votes

How to fix python3 on ubuntu

Simply repair-reinstall your Python bases afresh: sudo apt update sudo apt-get install --reinstall python2.7 python3.6 python3.7 python3.8 sudo apt-get install --reinstall libpython2.7-minimal ...
Kayemba Luwaga's user avatar
0 votes

Mouse Speed far too slow on new Ubuntu 20.04.2LTS install

For 3m ergo mouse, the switch from USB 3.0 to USB 2.0 did help but still was not enough. In my xinput settings for the device: xinput --list-props "Forward USB Optical Mouse" I found: ...
scott's user avatar
  • 111
2 votes

Help with GPG error. NO_PUB_KEY

Instead trying to add the GPG key manually, it is recommended to follow the official instructions: Look at find /etc | grep -i mysql and remove your previous attempt at installing the repository Do ...
Daniel T's user avatar
  • 3,541
0 votes

How do I disable middle mouse click pasting clipboard?

These random pastes were polluting my source code. I was able to stop them on my Ubuntu 22.04 by setting: gsettings set org.gnome.desktop.interface gtk-enable-primary-paste false No restart or ...
Duloren's user avatar
  • 795
0 votes

overlayfs: missing 'lowerdir' error showing on Ubuntu server 20.04

my dear, the overlaysfs are 'the FileSystem' pointers made during the instalatión of a linux system, as u can notice, that rarely affects your loggin. In case u wish to fix it (as a first part), u ...
Darken Quimera's user avatar
1 vote
Accepted

RPi 4B with Ubuntu Server 20.04 fails to connect to Wi-Fi Sometimes

Check if your neighbors are using the same channel(s) as you are using. Check for inactive and free channels with e.g. http://play.google.com/store/apps/details?id=com.farproc.wifi.analyzer ... ...
Hannu's user avatar
  • 5,281
0 votes

Customized Audio Visualizer for Ubuntu 20.04

I personally use Cavalier which is pretty cool I would say. I use this image as the background. As far as personalization, drawing mode:bars under the 'CAVA' menu, no.of bars-72 in the colors menu, I ...
DarkThemedProgramming's user avatar
0 votes
Accepted

create a dependencies for services with systemd

You forgot to tell systemd to reinstall the new .wants after editing ServiceB.service. There is nothing wrong with the .service files, and a systemctl start and stop work fine once the services are ...
Daniel T's user avatar
  • 3,541
0 votes

Mouse click not working while debugging with GDB

This is a really old thread, but I struggled with this. Installing xdotool fixed it for me.
Pete Wilson's user avatar
0 votes

Ubuntu 20.04 after setting static IP, apt update and SSL stopped working

A tip: to prevent something non reversible in the config (like, you are SSH-ing to a dedicated (e.g. Hetzner) Server and apply a non working config and absolutely loose connection to your server) you ...
Michael_123's user avatar
0 votes

Snap version of vlc does not work on Ubuntu 20.04

I solve this problem by add this command in terminal vlc -vvv
Foroogh Varmazyar's user avatar
1 vote

Is there a default clipboard history in Ubuntu? If there is, how can I access it?

I really like gnome-shell-pano. You need to install libgda and gsound for this extension to work. sudo apt install gir1.2-gda-5.0 gir1.2-gsound-1.0
YoniChechik's user avatar
3 votes
Accepted

How to choose between 2 bluetooth receiver on the same machine?

Normal solution You can use rfkill to disable the specific device: Run rfkill without arguments and identify the ID of the device you want to block. If you're not sure, just pick one of the hci ones ...
Daniel T's user avatar
  • 3,541
0 votes

Can I remove the older revision package of duplicated snap packages?

(writing these for extra context in case the scripts don't work) For me, running the above scripts didn't change a lot regarding the snapds size. So I checked what files I have: sudo ls -l /var/lib/...
giou-k's user avatar
  • 1

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