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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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How to install and execute Blender 2.79 on Raspberry Pi 4?

I'm trying to install Blender 2.79, as I think it's the last version that is fully functional with my version of OpenGL. I'm running Ubuntu 22.04. I can install blender through sudo apt-get install ...
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$HOME incorrectly set to /root for all users (Ubuntu Server 22.04 on Raspberry Pi 3B+)

The $HOME variable is incorrectly set to "/root" for all users on login on my Raspberry Pi 3B+ board running Ubuntu Server 22.04. In an SSH session I have to manually $ export HOME=/home/...
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Why can't hostapd find my fresh installed r8188eu driver?

I'm running Ubuntu 20.04 on an Raspberry 3B. I want to use an TP-Link TL-WN722N v2 as an Hotspot (I know that its possible because it was already used as an AP on another RPI3B running Raspbian) So I ...
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Boot from USB RAID1 in Raspberry Pi 4 running Ubuntu 22.04 64bit

The Raspberry Pi 4 8GB I received today boots without any modification from USB and can run Ubuntu 22.04 64Bit pre-installed for arm. My idea was to have two USB drives RAID1 in the USB3 ports with ...
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Pi 4B 2GB did it update fully? Ubuntu server 22.04 on SSD "sudo apt full-upgrade"

pi is headless process used:= RPi Imager used to copy server 22.04 to SSD booted and performed:= sudo apt update sudo apt full-upgrade result of last command indicated a hang at 65%###### with systemd ...
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Fail to up interface wlan0 in ubuntu server 22.04 Raspberry Pi

Im having issues after installing ubuntu server 22.04 on raspberry pi 4 The interface wlan0 is down. After following the official tutorial from ubuntu (https://ubuntu.com/tutorials/how-to-install-...
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how to install old version of ubunru mate for raspberry pi 2 B

I am beginner with ubuntu mate and raspberry pi. how to install old version of ubunru mate for raspberry pi 2 B? from where to download the os? (version 14). I tried to search on the net and find this ...
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Will Ubuntu Core on Raspberry Pi ever have USB boot support?

I've looked all over and have yet to find anything of use regarding USB booting on Ubuntu Core for the Raspberry Pi. Using the SD card on the Raspberry Pi 4 platform is way too slow for the ...
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Ubuntu 22.04 on Raspberry pi 4B not using total RAM [duplicate]

I have installed Ubuntu 22.04 on my Raspberry Pi 4B (8GB, ARM64), but it runs slow and often lags even though I only opened a few things like the file explorer, terminal and Chromium browser. When I ...
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3.5 touch screen RPI4 xpt2046 ubuntu 22.04

Dears I have a RPI4B with xpt2045 3.5 touch screen, I was able to configure the screen on older Ubuntu But since I installed Ubuntu 22.04 LTS, I tried all configurations and scripts but nothing worked....
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22.04 64-bit Server on RaspberryPi 4 B, 8GB, reinstall of Speedify causes frozen boot

I did a clean install on external NVMe SSD, then added samba, net-tools, and xinit, as best as I can recall. Then I installed my usb wifi using a driver from https://github.com/morrownr/88x2bu-...
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Upgrade Rasp Pi 4 with ubuntu server from 21.04 to 22.04

If I try to upgrade my Rasp Pi 4 running ubuntu server 21.04 I receive a warning that the upgrade to 21.10 is not supported. I would upgrade to 22.04 which I know supports Rasp Pi 4. It's possible ...
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Krusader and Putty not working on Ubuntu 22.04 Raspberry Pi Desktop

I installed Ubuntu 22.04 Desktop on my RPi 4 and then installed Krusader and Putty. Both state "connection refused" when I try to start a session connection. OpenSSH server is installed and ...
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ISCP-DHCP server on Ubuntu 20.04, connect to RaspberryPi

I have failed to connect to my raspberryPi using a static IP and over my existing wireless network. My next attempt is to set up a DHCP server on my Ubuntu machine. I use several tutorials (tut1, ...
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Wifi not working on Raspberry Pi 4

I've just installed Ubuntu Desktop 22.04 for Raspberry Pi (64bit) on my SSD. Incredibly, it booted at the second try, and everything works except WiFi: maybe it's because of USB boot? I had similar ...
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Why Livepatch is not available for ARM based CPU? [closed]

I recently discovered Canonical Livepatch service, I want to install it on my Raspberry Pi, but it said Livepatch is not available for platform arm64. Supported platforms are: amd64, x86_64. Livepatch ...
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Raspberry: "do-release-upgrade" thinks 'Jammy Jellyfish' is still in development

I wish to upgrade my Raspberry to Jammy Jellyfish. It was released yesterday and announced in news. But on my machine it still shows that's beta release! # cat /etc/lsb-release DISTRIB_ID=Ubuntu ...
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How do I modify right click menu on taskbar/dock?

Is there any way to modify that context menu? img for reference: context menu from dock/taskbar What I want to acomplish is to delete or add items to that menu, for example, delete every item but the ...
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update-initramfs causes segmentation fault

I was trying to install lsscsi on my Raspberry Pi 4, running Ubuntu 20.04. I don't have a detailed log of what happened, but it got to the end where it says "processing triggers", then it ...
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Ubuntu server 20.04 in raspberry pi 3B+

I have a raspberry pi 3B+ and I have installed this: ubuntu-20.04.4-live-server-arm64.iso file.I want to run a python program every day so I use the raspberry pi as a server for my app.I have tested ...
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VNC no longer working after update

I recently updated my ubuntu to 21.10, and did so using VNC viewer on on phone to click on the upgrade etc. I woke this morning to make sure my media server was still working (it is) but was unable to ...
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Why doesn't overlayroot work properly with a net-booted NFS root on a RPi4?

This question has not generated much interest (and no solutions): this may because it is not just a question about Ubuntu and is also not sufficiently documented. I have therefore extensively ...
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Error Camera in Raspberry pi

I want to take a picture with Raspberry Pi 4, but I get this errorenter image description here
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1 answer
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Can't access my Flask App on Ubuntu Server 20.04 LTS from the Internet

I recently bought a Raspberry Pi 4 (8GB) and installed Ubuntu Server 20.04 LTS on it. My goal is to turn it into a server to host all my Python scripts (Flask Websites/Telegram Bots/etc) on it. [...
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Ubuntu Core 20 arm64 Raspberry Pi 4 4Gb "start4.elf not compatible"

I have installed Ubuntu Core on my SD card and run it on a RPi 4 4GB of my school when I didn't have mine and I could run the installation procedure and boot the os with no issue. But when I have ...
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How can I fix boot issue on Ubuntu Mate microSDCard (was working on raspberry pi3)

I had a raspberry pi3 running the following ubuntu version on a sdcard: ubuntu-mate-16.04.2-desktop-armhf-raspberry-pi It ran for quite a few years with no issue. Recently however, I logged on and ...
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How do I Make a gif run on hdmi on loop

I Have a Raspberry Pi with an Ubuntu Server on it and I want it to loop a gif from a command to HDMI
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2 votes
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How would I make a Raspberry Pi pretend to be a flash drive

So say I have a Raspberry Pi with Ubuntu on it. And if I were to plug it in via USB A to USB A cable to another computer. Or if it were attached via GPIO with a USB end and plug it into another ...
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1 vote
1 answer
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Measuring latency TCP/UDP between 2 boards

I am sending and recieving packets between two boards (a Jeston and a Pi). I tried using TCP then UDP, theoritically UDP is faster but I want to verify this with numbers. I want to be able to run my ...
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Ubuntu Core Support for RP 4 CM

I'm not seeing any images specific to Raspberry Pi 4 Compute Module/Lite. Do Ubuntu core support that platform? If so, where I can find images for that. Thanks in advance for your response. -Saravana
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ntpd sporadic fail

I'm running Ubuntu 20.4 on Raspberry Pi 4 8GB. In a seemingly random pattern, the pi will lose connection to the internet and the date revert to Jan 10 after a time of ntpd being unable to sync. It ...
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Ubuntu 20.10 RPI4 wont open jarfile [closed]

So a while ago I got my rpi4 to use ubuntu with the purpose of making a Minecraft server, I downloaded the jarfile and tried to open it, it would show the following error: We appear to be missing one ...
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3 votes
1 answer
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How to get Raspberry Pi images?

The download links for the Raspberry Pi editions of Ubuntu all lead to invalid URLs. This happens both with the rpi-imager app and the direct download from Ubuntu's website. How I get to the 404s: ...
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Ubuntu 20.04.3 LTS on Raspberry PI - MySQL was working and then stopped

I have been using MySQL with Ubuntu 20.04.3 on Raspberry PI for about 3 months with absolutely no problem but earlier this week I discovered mysql.service was no longer running. As this is definitely ...
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"Login incorrect" error on Raspberry Pi 4 during initial setup of Ubuntu

I'm doing the initial setup of Ubuntu on Raspberry Pi. Followed the tutorial step by step from the official site. When it asks to login, the initial login details are entered are as follows: ubuntu ...
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Unable to access kubernetes-dashboard running on microk8s running from Raspberry Pi 4

I am trying to setup microk8s running on Raspberry Pi 4 which I bought few days ago by following https://ubuntu.com/tutorials/install-a-local-kubernetes-with-microk8s#4-accessing-the-kubernetes-...
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In this picture what does raspi3 mean and does -ext4 mean it supports raspberry pi 4

enter image description here In this picture what does raspi3 mean and does -ext4 mean it supports raspberry pi 4
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snap remove errors out as cannot create directory "/tmp/.snap": no such file or directory

This is the error I get: ╰─○ sudo snap remove chromium error: cannot perform the following tasks: - Disconnect chromium:chromium-config from core:personal-files (cannot update mount namespace of snap &...
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Is there a way to switch to a user of a remote machine like normal user?

I am planning to use a Raspberry Pi as my secondary pc(Ubuntu). Like how I switch to users on my primary machine(Ubuntu 20.04 ) navigating to the top bar, clicking on the Power Icon then selecting ...
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'watch' command will not execute, Exec format error

I'm trying to monitor a file that will get downloaded by another process using ls -haltd. When I run the watch command the execution fails. e.g. $ watch ls -halt myfile.txt -bash: /usr/bin/watch: ...
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1 answer
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Issue with apt-get upgrade in Ubuntu 21.10 on Raspberry PI 4: Failed to create symlink, Operation not permitted

Can't upgrade Ubuntu 21.10 on my Raspberry PI 4 via apt-get upgrade. There is the full log: ubuntu@ubuntu:~$ sudo apt-get upgrade -y Reading package lists... Done Building dependency tree... Done ...
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Just installed ubuntu 21.10 on raspberry pi4 but no login

Just after first boot, I did a standard "ssh ubuntu@IP", and was solicited to set a new password immediately. But the password setting didn't ask for a confirmation on the password, so now I'...
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Ubuntu Raspberry PI CM4 u-boot modifications

I have a custom board using the CM4 module, I would like to run Ubuntu but in order to support my board I need to make some minor changes to the u-boot bootloader. I followed the steps on the wiki:...
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Creating Ubuntu ssh keys in Windows 10

I am trying to install Core 20 on RPi4 and cannot get past the email address for my account. If I go to the Ubuntu page to define the ssh keys, it says to use the keys already defined. It does not say ...
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1 vote
2 answers
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20.04 Server on RaspBerryPi 4B does not finish boot and stops at "spi-bmc2835 fe204000.spi: could not get clk: -517"

I've installed an Ubuntu Server 20.04 on a SD-card running NextCloud. Now, after a reboot it refuses to finish boot. I see: Net: eth0: ethernet@7d580000 starting USB... No working controllers found ...
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Enable UART communication (ttyS0 or serial0) on Pi4 Ubuntu Mate 20.04

I am using Raspberry Pi 4 (8G) version. It works well when communicating to Pixhawk via serial0 before. But several month ago, I changed the OS from Ubuntu 16 Ubiquity to Ubuntu Mate 20. Other ...
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1 answer
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Will Ubuntu Desktop work on Raspberry Pi 3

I was just wondering if Ubuntu Desktop will work on a Raspberry Pi 3, or if I have to use a distribution that is made specifically for the device.
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When using VLC player 3.0.16 Vetinari, do I still need to separately instal video codecs, like H.265 / HEVC? [duplicate]

I'm using the latest Ubuntu Desktop 21.10, 64bit on Raspberry Pi 4B, 8Gb and I wander, if I need to separately install video codecs, like H.265 / HEVC, when using VLC player? I'm a newcomer to Ubuntu ...
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Unknown Graphics Controller and Display Settings are missing all resolutions above 1920x1080 and I need 3840x1600x60Hz preferably

I have Ubuntu Desktop, arm64 installed on Raspberry Pi 4b with 8Gb ram. spinn2046@UbuntuDesktop:~$ uname -a Linux UbuntuDesktop 5.13.0-1016-raspi #18-Ubuntu SMP PREEMPT Thu Jan 20 08:53:01 UTC 2022 ...
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enabling Picamera with Ubuntu 20.04 aarch64 on Raspberry pi 4

I've been trying to find a way to enable the Picamera with Ubuntu aarch64 on Raspberry pi 4 module but so far I only found how to do it on Raspberry pi 2/3, or with arch32. Is there a way to support ...
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