After upgrading my Raspberry Pi 4 8GB from Ubuntu 21.04 to 21.10 I got high load due to systemd-udevd. I made a clean install of Ubuntu server 21.10 but the problems remain. I use a SSD (no SD card). When I boot it looks fine, but after about a day the load is above 25… Read More systemd-udevd causes high load after upgrade to Ubuntu 21.10 server on Raspberry PI 4

I just installed Android Studio, and it recommended that I install KVM. So I did, using plain apt install …. And now my network doesn’t work anymore. It seems the network manager isn’t running, but I don’t know why or how to fix it. I guess the network manager not running is why I don’t… Read More Network stopped working after KVM installation on 21.10

I’m trying to boot the latest Ubuntu 21.10 on Lenovo ThinkPad E14 (Ryzen 3 5300U with integrated Renoir graphics), and I’m stuck on Lenovo logo. When trying to boot with safe graphics, I got the following error: drm:amdgpu_init [amdgpu]] *ERROR* VGACON disables amdgpu kernel modesetting. Kernel panic – not syncing: stack protector: Kernel stack is… Read More Kernel panic on Ubuntu 21.10 AMDGPU

I just moved up from 21.04 to 21.10. I have the 1Password extension installed in Firefox, which uses ctrl-period keystroke to launch the password manager. I’ve been using that since… uh… 18.10? 19.04? several years now at least with no problems between releases. But now on 21.10 ctrl-period is behaving very weird. It puts an… Read More new ctrl-period key sequence default in 21.10?

Yes! I know I can download with this command sudo apt install ubuntu-desktop But the downloaded size of the Ubuntu 21.10 ISO is approx 3.4 GB while Lubuntu’s ISO is 1.5 approximately GB. So if I install Lubuntu and then do the following commands sudo apt install ubuntu-desktop # installs Ubuntu desktop environment itself with… Read More Can I download Ubuntu desktop on Lubuntu?

I have Ubuntu 21.10 with VirtualBox 6.1.26. I am trying to install Ubuntu 21.10 in a virtual machine. When I choose English as installation language, the keyboard selection screen looks like this: As you see the lower edge is cut off – but it is still possible to go on with this. However when I… Read More Installation screen cut off when installing Ubuntu in VirtualBox

After installing or upgrading to Ubuntu 21.10, with the ZFS option, I started to experience strange issues. For example, on the command-line, I have started to see errors like this: Cannot access ‘foobar’: No such file or directory When running ls -l in some directory, I get question marks, like this: -????????? ? ? ?… Read More Strange file issues on Ubuntu 21.10 with ZFS

I need to stop the GUI and access a TTY for the NVIDIA drivers. I found this question. However, when I tried sudo service lightdm stop (or the same with gdm), it said this: $ sudo service lightdm stop Failed to stop lightdm.service: Unit lightdm.service not loaded. $ sudo service gdm stop Failed to stop… Read More How do I stop the GUI (in Kubuntu 21.10)

I just updated my Ubuntu 21.04 (running on Raspberry Pi 4) to 21.10. lsb_release -a shows 21.10 on the command line but the GUI desktop still says 21.04 in the bottom left corner. What should I do? >Solution : As already told by Vanadium, you can change the wallpaper to wallpaper of Ubuntu 21.10. You… Read More Updated to 21.10 — desktop still says 21.04

I do not see the option to install Ubuntu 21.10 in the Windows Store. I would like to install Ubuntu 21.10 in WSL on Windows 11 with the graphical support (WSLg). I have searched for "Ubuntu" in the Windows Store and only found older releases. >Solution : Please note that this answer is valid and… Read More How do I install Ubuntu 21.10 in WSL on Windows 11?