Questions tagged [raspberrypi]

A very-small, single-board computer. Use this tag only for questions about interoperability between Raspberry Pi and Ubuntu; general questions about Raspberry Pi belong on raspberrypi.stackexchange.com.

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Restore SSH key during install on Raspberry Pi 4

So I am doing a lot of testing with fresh installs. I am reinstalling the OS a lot to the SD card on the raspberry pi. One problem I am running into is when I reinstall use the same name for the ...
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Ubuntu 20.04 Server 64-bit - Raspberry Pi 4 - The network icon shows me disconnected while in reality I am properly connected to the internet

I have installed lightdm + cinnamon on Ubuntu 20.04 Server 64-bit for Raspberry Pi 4. The systray network icon shows me disconnected from the internet while in reality I am connected. None of the ...
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20 views

Enabling autologin in ubuntu 20.04.02 LTS server on raspi?

I don't want theinitial screen that asks for username/password in beginning of Ubuntu Server 20.04 since I am using this OS on raspberry device which runs a code in background on startup. How do skip ...
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Raspberry Pi Imager list curation and selection

Who curates and maintains the list located at: https://changelogs.ubuntu.com/raspi/os_list_imagingutility_ubuntu.json I wanted to install the LTS version of the desktop but it is not on the list in ...
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How to remove Login&Shutdown buttons on login screen(RASPBERRY PI OS) [closed]

I bought a Rapberry pi 4 few days ago and i downloaded raspberrypi os or Rasbain. I want to know if it is possible to remove the login&shutdown button on the start up screen using terminal
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Cannot interact with my Raspberry Pi running 20.10 from Ubuntu computer but I can do it with a Mac

I recently distro-hopped from Raspbian to Ubuntu MATE 20.10 and I enabled the SSH service. I can connect it from a Mac (not with Ubuntu), but it doesn't even allow interactions from my computer. ...
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No keyboard on Raspberry Pi 4 8Gb RAM Ubuntu 64bit

I recently installed my Ubuntu 64 in my raspberry pi 4 for the second time because I thought I messed up the first time My Logitech USB Unifying wireless keyboard is not working properly, until I ...
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2answers
40 views

Permission denied despite being in group that owns the directory

I have an directory to which I've set the permissions as follow: sudo chown -R root:www-users /var/www sudo find /var/www -type d -exec chmod 2775 {} + sudo find /var/www -type f -exec chmod 0664 {} + ...
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CIFS mount from bash script with dynamic IP from variable

Trying to mount Windows directory from bash script Following works #!/bin/bash sudo mount.cifs //192.168.1.2/Shared /home/pi/windowshare -o user=some_user,password=some_pass Following works #!/bin/...
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NesPi Safe Shutdown

I have a NesPi case that I have successfully installed Ubuntu on and am trying to get the safe shutdown script to work. Does anyone know how to modify the script to get the safe shutdown feature to ...
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Raspberry Pi Rsync

I've run through this guide https://medium.com/xster-tech/move-your-existing-raspberry-pi-4-ubuntu-install-from-sd-card-to-usb-ssd-52e99723f07b in order to move Ubuntu from my SD card to my internal ...
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LibreOffice slideshow only loops for a few minutes

So I have a Raspberry Pi 4 set to auto-present a Impress slideshow, but only cycles the slides for about ~10-20 minutes then stays stuck on one slide. By clicking the mouse or arrow key, it then ...
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Accesing home network over Internet using my domain name with Dynamic DNS

I have a Raspberry PI with a Samba, FTP, DLNA and Webserver. I wish to access it trough ssh and web with my domain like: ssh username@my-domain.hu and like: home.my-domain.hu the problem is I do not ...
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Ubuntu Desktop 21.04 - Blender doesn't start anymore after update on Raspberry Pi 4

After initial installation of Ubuntu 21.04 on a Raspberry Pi 4 (8 GB version) I was able to start Blender and create a simple project. Now, some system updates later, it doesn't start anymore. ...
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94 views

Raspberry Pi 4 Running Ubuntu 20.04 Refuses to Find 20.10 Update - No new release found

I'm in the process of attempting to move 20.04 to my SSD drive and part of that process is updating to 20.10. Sounds simple eh! I'm not a Linux person thus far, hence buying the Pi! I've tried many ...
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96 views

Use Wayland session with Lubuntu 21.04 on Raspberry Pi 4B

I'm on a quest to find the best possible configuration for our Raspberry Pi 4B used almost exclusively to watch internet video streams. So far, I've tried getting the most out of Raspbian/Raspberry Pi ...
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Why Kernel does not upgrade despite enable HWE on Raspberry Pi 4?

I have installed Ubuntu Server 20.04 (64bit) on Raspberry Pi 4 almost a years ago. Then I have installed a update to 20.04.2 and enable HWE. But it does not upgrade kernel to 5.8. I have no idea why ...
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Libinput: Two touches released but jus one event “TOUCH_UP”

I'm working in a project using wxWidgets and a RaspberryPi 3 model A+. It uses a CTPM FT5406 touch screen for the application. The problem is: When i touch in both the extremity of the screen, the ...
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FIrefox Is Un-useable Broken (Pixelated, Stretched & Wavy) Ubuntu 20.04 Raspberry Pi 4

When I open firefox it now looks like the picture I have attached. Chromium looks that way too. The rest of the apps seem to work fine.
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SSH on boot Ubuntu Mate/Raspberry Pi (not duplicate)

I am trying to SSH into my Raspberry Pi 4b with Ubuntu MATE installed as OS. This works perfectly fine when I first login on my raspberry pi (as this seems to enable some SSH client to start-up). To ...
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Questions about ap mode with netplan

I use Ubuntu Server 21.04 and Raspberry Pi CM4. I want to create an ap wifi, so I add the following to /etc/netplan/50-cloud-init.yaml: wifis: wlan0: dhcp4: no addresses: [192.168....
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UM20.10 Raspberry Pi4B sound issues

I am running Raspberry Pi4B latest model 8 Gig Release 20.10 (Groovy Gorilla) 64-bit Kernel Linux 5.8.0-1021-raspi aarch64 MATE 1.24.1 I am continuously experiencing sound issues in different ...
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1answer
50 views

What is the proper way to select a new version of the kernel and boot into it in Ubuntu for Raspberry Pi?

I know that in Ubuntu the regular way of selecting the kernel version to boot can be done through grub. How do I do this in Ubuntu for Raspberry pi? I guess it is using uboot, should I configure it ...
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1answer
179 views

No input from Logitech K400+ after upgrade Raps 4 to Ubuntu 21.04

after upgrading my Raspberry 4 from Ubuntu Desktop 20.04 to 21.04 (64bit) my Logitech Keyboard K400+ doesn't work in all circumstances. After reboot I'm able to type my password, but after that I'm ...
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Can I run ubuntu desktop OS on a raspberry pi kubernetes setup?

I was wondering if I took 3 raspberry pi's with a kubernetes setup where I have them linked on a server and control them remotely. Can I run ubuntu desktop os for a graphical interface on that?
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Ubuntu 21.04 Giving weird text on boot

When I boot up my Raspberry pi 400 with 21.04 ARM DESKTOP it shows this Why is it showing this and how can I fix it?
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Disable Overscan leads to no desktop on Ubuntu 21.04 on Raspberry Pi 4

I installed Ubuntu Desktop 21.04 on my Raspberry Pi 4 and have problems with overscan and the edges of the desktop run of my screen. When I run this same configuration (same TV/Monitor) with the ...
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27 views

Raspberry Pi 3b with Ubuntu 20.04 rainbow boot screen error

I have a Raspberry Pi 3b+ V1.2 2014. I would like to run the 20.04 server on this raspberry pi. When I load up a 8 gb memory card using the raspberry pi imager V1.6.1 and I try to boot I only see the ...
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4answers
365 views

Keyboard not properly functioning after installing 21.04

I recently installed Ubuntu 21.04 on my Pi4, the installation works fine and until a point the keyboard works fine then suddenly stops working in applications. During and immediately after the ...
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170 views

Why is Pi 4 omitted from the quoted list of Raspberrys on which Ubuntu Desktop 21.04 will run?

Ubuntu 21.04 was released today so perhaps what I describe below is just a website error ? The page: https://ubuntu.com/download/raspberry-pi Lists the pies on which Ubuntu Server will run: Raspberry ...
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CircuitPython on Raspberry Pi 4 (Ubuntu Server 20.04.2 LTS)

I am running a Raspberry Pi 4 with Ubuntu Server 20.04.2 . Since I am using a lot of Adafruit Parts for my setup it would be a lot easier to use CircuitPython (their offspin off of micropython) with ...
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34 views

Is Ubuntu Core for Raspberry Pi discontiued?

On Frontpage of Ubuntu for Raspberry Pi images Ubuntu Core is missing. But I am sure I used to get Ubuntu Core images from there. Is it discontinued?
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Ubuntu port forwarding, Desktop 64bit, wifi, raspberry pi 4 B 8 gb

I have come across a problem while using Ubuntu 64bit desktop for raspberry pi. I would like to use my raspberry pi 4 as a Minecraft server, having completed the server set up, I am able to get a ...
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1answer
19 views

code-server cannot find nodejs

I had a problem while trying to run code-server (visual studio code on browser), I installed it correctly via the manual process, but every time I try to run it I get this error: /usr/bin/code-server: ...
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44 views

ssh over serial with raspberry pi

I am trying to use my raspberry pi over serial communication with my ubuntu laptop as in this tutorial. I have ensured that: /boot/config.txt in my raspberry pi has a enable_uart=1 line at the bottom ...
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19 views

Booting ubuntu core 20 on raspberry pi 3b

I am trying to run ubuntu core 20 on raspberry pi 3b (the same issue happened with core 16). My pi is hooked to a monitor. Everything is working fine when booting, setting up wifi, and logging in with ...
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44 views

Ubuntu 20.10 Server on raspberry pi 4 won't see a network

So I have been trying to set up a WordPress site on Ubuntu 20.10 on a Raspberry Pi 4, and have messed up Configuration files, and other settings on many occasions. So I've flashed my SD card (used as ...
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1answer
182 views

Ubuntu 20.04.2 LTS won’t boot on Raspberry Pi 4

So I’ve recently bought a Raspberry Pi 4 model B with 4Gb of RAM. I used the raspberry Imager to install Ubuntu server 20.04.2 LTS on my 64GB SD card. When I plug the power in, nothing happens I just ...
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45 views

Is it a good idea to install ubuntu server on Raspberry Pi Zero W? [closed]

I'm working on a vibration analysis project, the goal is to send vibrations using the accelerometer sensor to a remote server. Is it a good idea to install ubuntu server especially that I will need ...
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40 views

Ubuntu 18.04 HDMI problems

At the start of 2021, I bought two RPi 4 with 4GB of memory for a project. I already own 4 PI (2 OSMC, 1 Samba File Server/Deluge and a Volumio PI. The Volumio never worked. Neither did the ...
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120 views

Raspberry Pi 4 slow USB write speed

I have a Pi 4 running Ubuntu 20.04 64 bit Have a USB 3.0 external HDD through a powered USB hub that gets 250MB/s write speed on my MacBook On the Pi if I try to transfer one file it transfer at 50MB/...
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I'm looking the kernel installer files for ubuntu 20.10 for armhf / raspberry 4 to virtualize it with qemu-kvm on arm64

I would like to virtualize ubuntu 20.10 for armhf / raspberry pi 4 on my jetson nano. Previously I've virtualized debian buster for armhf using this tutorial : https://translatedcode.wordpress.com/...
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141 views

Ubuntu server 20.04 - Raspberry PI4 ignore config.txt at boot / v3d driver / overclock

I have a fully working ubuntu server 20.04 on my raspberry pi4. I use it for nextcloud and minidlna server. I was trying to install the latest mesa vulkan driver, without success, because the v3d ...
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68 views

Ubuntu Server 20.04.2 LTS on Rapberry Pi 4 Model B with SSD on USB3.0 isn't working

I updated my Raspberry Pi 4 Model B to load from USB+SSD, and this is working fine with Raspbian. I then flashed Ubuntu Server 20.04.2 LTS on the SSD, and it did seem to do the initial loading, but it ...
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267 views

Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

Raspberry Pi 4 8GB Ubuntu 20.04.2 LTS Before this happened, I was able to run a bunch of Docker containers without an issue. However, my Pi suddenly stopped working (wasn't able to SSH into it, wasn'...
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98 views

How is Bootabiiity Restored to an SD Card (Ubuntu-MATE / Raspberry Pi 4B)?

How is Bootability Restored (Repaired) to an SD Card; Raspberry Pi 4B, Ubuntu-Mate 20.04 I don't want to lose my files or customizations. The SD card for my Raspberry Pi 4B became un-bootable after ...
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18 views

3.5 inch display Driver setup

I am using ubuntu desktop 20.10 on Raspberry pi 4. But can't find any way to install 3.5 inch display in it. If anyone please help me...
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1answer
64 views

cannot ssh to raspberry pi 400 with ubuntu server 20.10 [closed]

I did a fresh install of ubuntu server 20.10 server 64-bit arm using pi imager in a 16 GB MicroSD card for a raspberry pi 400. I have uncommented the WLAN0 and subsequent lines, given the Wifi SSID ...
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14 views

Failure of wifi if the monitor is not connected at boot time

I installed Ubuntu server 20.10 (groovy) on a Raspberry PI 4 using the Raspberry Imager v1.6 tool. I have this strange behavior and would like your help. If the monitor is not connected at boot time, ...
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44 views

Raspberry PI 4+Ubuntu Mate works with IR remote shield?

I have already tested my IR remote shield in a Raspberry PI 3B and works ok (with Raspbian + Lirc). Now I want to make it run in my raspberry pi 4 with Ubuntu Mate installed. Here is my uname -a : ...

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