Questions tagged [ubuntu]
Ubuntu is a Linux operating system derived from the Debian distribution.
585 questions
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Camera in Raspberry Pi shows no input on screen
I am new to using Raspberry Pi. I have RSP 4 model B, I need it for a college project I am doing, I bought a camera module for it.
and it doesn't show output on screen using "cheese"
I am ...
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User getting removed from group after reboot
I am running Ubuntu Server 20.04.02 LTS in my RPi 4b. I ran into the problem that I couldn't access the GPIO without sudo/root with my python scripts so I changed the /dev/gpiomem group ownership to ...
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RPi4 Serial port not working on either Raspberry OS or Ubuntu
I've been struggling to get my RPi4 serial working over pins 8,10.
I have both a Raspberry OS image and an Ubuntu 18.04 image for the RPi4. In either case, when I use RASPI-CONFIG to disable console ...
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wine: cannot find L"/home/lubuntu/.wine/drive_c/windows/Neko"
I am an unexperienced Linux user. I am trying to run an exe file in wine on live usb lubuntu 22.04 The problem is that when I try to run it from terminal by pasting the destination along with the ...
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What actions modify u-boot environment variables?
Update 2022-10-11: Regarding the Adafruit Ultimate GPS HAT, in Ubuntu 22.04 LTS it works right out of the box on a Raspberry Pi 4. Maybe using Ubuntu 22.04 LTS on a Raspberry Pi 3 also has the same ...
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Ubuntu MATE thinks it knows my IP address but is wrong
I am trying to boot my Raspberry Pi from an image (I created) burned to an SD card. I set up the image on another Raspberry Pi (we will call it 4GB). etc/NetworkManager has the password of the WIFI ...
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pin state after shutdown
i am on Ubuntu 20.04 on RPI4.
I am driving a 4 PWM motor driver using PWM on pins 22,23,26,27.
When i turn off the raspberry, the driver being still powered, go off.
I suppose some of this pins change ...
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Getting a "error creating userdata cloudinit file on FAT partition" on Rpi Imager while writing ubuntu server
trying to write a UBUNTU SERVER 22.04.01 for a raspberry PI 400 but it is always giving this error regardless of what SD card I use.
Steps:
Launch Rpi Imager
Select General OS -> Ubuntu -> ...
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Unable to connect more than one device on raspberry pi 4 hotspot
I am trying to configure raspberry pi wifi module as AP and client at the same time on same wlan0 interface using Access point as WiFi router/repeater, optional with bridge this tutorial, the problem ...
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Internet connection problem with second (USB to) Ethernet adapter
we have Raspberry Pi CM4 with Ubuntu. On board ethernet adapter (eth0) is connected to internet and USB to ethernet adapter (eth1) connected a device with a static ip.
When we plug the eth1 internet ...
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Ubuntu 19.10: Enabling and using Raspberry Pi Camera Module v2.1
I have installed Ubuntu 19.10 64-bit on my Raspberry Pi4 with 1GB RAM. I know Raspbian would be the better choice, but I have to use Ubuntu for some other reasons. Moreover, I know that Ubuntu Mate ...
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Ubuntu 22.04 POE+ hat fan control - seeking updated guidance
I recently updated to 64-bit 22.04 Server on a Headless Raspberry Pi 4B 8Gb model with a POE+ hat, and the fan speed control on the POE+ hat seems to have changed. Searching Google/forums only shows ...
CommunityBot
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Change netplan wifi encrypted password
I installed ubuntu using "Raspberry Pi Imager" in my raspberry pi.
Using Raspberry Pi Imager, I configured wifi to connect with.
Now after properly booting, when I check in my raspberry pi /...
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How is Ubuntu "64-bit ARM" offered for Pi 2?
Canonical offers Ubuntu for "64-bit ARM" and gives "Pi 2" as an example of a compatible platform. Raspberrypi.com says the Pi 2 is "32 bit".
How does that work?
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32 bit Ubuntu Server 22.04 LTS lower GPU Memory
I have a raspberry pi 2 with ubuntu sever installed and need to know how to lower the gpu settings from 64 megs to 16 megs.
Ubuntu Server does not come with raspi-config installed.
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Suddenly can't connect to internet but SSH is ok
I was trying to fix a problem where the Pi could only connect to the internet using the 5-GHz Wi-Fi but not the 2.4-GHz. After messing with the router and the network manager settings, I couldn't ...
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Raspberry Pi Imager not writing to SD Card. Fails without errors. (Ubuntu)
I'm using KDE Neon 5.19 which isn't too different from Ubuntu 18.04. Regardless, I have an old Raspberry Pi B (the one with just two USB ports and a full sized SD slot). I grabbed an SD card from a ...
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The Raspberry Pi 4 fails to reboot
I have a Raspberry Pi 4 running Ubuntu Server 18.04. I usually SSH into it and reboot the system. However, I noticed that sometimes the pi does not successfully boot up again after shutdown, so I have ...
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On Raspberry Pi 4 with Ubuntu 22.04 don't work ioctl
I have Raspberry Pi 4 (aarch64 Cortex-A72) with OS Ubuntu 22.04 LTS 64-bit installed. I try read frame from webcam.
When I run this code:
if (ioctl(fd, VIDIOC_DQBUF, &buf) < 0) {
std::cout &...
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Rpi0-2 USB, 32-bit works, 64-bit only lists root hub
I have a Raspberry Pi Zero 2W, which I purchased because it is 64-bit and small.
When I run a 32-bit OS like Raspbian on it, everything works.
When I run a 64-bit OS like Ubuntu 22.04 Server arm64, it ...
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Raspberry Pi 4B won't connect to 802.11ac WiFi
802.11ac was supposed to be compatible with Pi 4, right? I recently tried using 802.11ac only to maximize the WiFi performance, but as soon as I did that, the Pi disconnected I have & to enable ...
CommunityBot
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RPI4B Ubnutu Server 20.10 wifi setup
I recently installed Ubuntu Server 20.10 on my RPI 4B and cannot get wifi to work. I followed the instructions here, here, and here.
When I attempt to setup wifi via wpa_supplicant (the last link) ...
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Cannot set up I2C running on Ubuntu (transfer timed out)
I have a Raspberry Pi 4 with 8 GB RAM running Ubuntu 22.04 LTS. It is packed in an Argon One case.
I'm trying to use a Waveshare BME280 Temperature/Pressure sensor that I already used before on a ...
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How to disable kernel upgrade on Ubuntu Server 21 64 Bit on Raspberry Pi 4b?
How can I disable kernel upgrades on a fresh installation of Ubuntu Server 21 64-bit OS for arm64 architectures on a Raspberry Pi 4b with 4gb?
Based on this source, I tried:
sudo apt-mark hold 5.11.0-...
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Can't get wifi adapter MT7601U to work on ubuntu server 22.04 for raspberry pi 4
I bought this generic wifi adapter which has MT7601U wifi chip inside it, it doesn’t work on my Ubuntu server 22.04 OS
But the adapter works fine out of the box on my twisterOS installation
Am i ...
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Can a RPi be network booted with an NFS other than NFSv3?
Please excuse me if I am asking this question in the wrong place: I'm trying to network boot Ubuntu 22.04 on a Raspberry Pi 4B, and I'm not entirely clear where Raspberry ends and Ubuntu begins :-)
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Makefile file format not recognized when using cross compiler
I setup a container to cross compile my program so taht i can run it on a Raspberry Pi.
It compiles fine when using ${CC} but prints:
/usr/bin/arm-linux-gnueabihf-gcc -o test main.o CAcquireData.o ...
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Corrupted SD Card
currently having a problem with rpi running ubuntu server. The rpi was disconnected without shutting it down, resulting in an error when trying to boot up after the disconnection.
I hooked it up to ...
CommunityBot
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What is the oldest Ubuntu version available for the rPi4?
The Big Blue Button (BBB) application requires 4GB of RAM & is supported on 16.04: BBB will be supported on 18.04 in the near future. I would like to test BBB on the rpi4.
Is there any instances ...
CommunityBot
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Ubuntu booting from SSD (USB) with Raspi 4
I made the (wrong) decision of installing Ubuntu LTS on my Raspi 4 that I used as a server, thinking it would be easier to install and configure stuff as I'm used to Ubuntu. Turns out for some reason ...
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Ubuntu minimal desktop installation on ubuntu server fails
I have a Raspberry PI running ubuntu server 22.04. Now I wanted to install a desktop environment with the following command:
sudo apt install ubuntu-desktop-minimal
But then I get these errors:
E: ...
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Weird artifacting results in green gibberish on some applications but everything else is fine?
I've seen the following corruption before on programs usually on Raspberry Pi, but it's doing it again and I'd at least like to know the cause. This is Ubuntu 20.04 on a Raspberry pi 4, 4GB edition. I'...
CommunityBot
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How to get Wifi working an Raspberry PI 4 with Ubuntu Server 20.04 for ARM
Short story
PI is not connecting via Wifi. Errors of systemd-journal below:
journalctl -n
ubuntu kernel: ieee80211 phy0: brcmf_cfg80211_scan: scan error (-84)
ubuntu wpa_supplicant[573]: wlan0: CTRL-...
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How do I reset the lost password of a Pi 4 running Ubuntu server?
I would like to reset the password of my raspberry pi 4 4gb running Ubuntu server 20.04, most tutorials involve adding init=/bin/sh to cmdline.txt, however when I do this I get a kernel panic.
Roughly ...
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Cannot connect to Internet with USB Tethering Raspberry Pi 4
I am using a Raspberry Pi 4, which is connected to my workstation with a usb cable.
The goal is to be able to access the internet through the Pi4.
I can already connect to the Pi 4 through SSH, but ...
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How to determine which device is being used for the display
I have a Pi4 running Raspbian OS with an LCD touchscreen display attached. I am not using X so no desktop is shown. The display appears as /dev/fb0 and I want to use this in a kiosk manner (with code ...
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Good KDE distros for RP4?
I’m looking to work with a KDE distro on my RP4. I’m most familiar with the Ubuntu family but it doesn’t seem Kubuntu has an ARM image.
Fedora has a KDE spin but not sure I want to go that route just ...
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How to controlling a mouse with a joystick and button using python, gpiozero
I am trying to use the GPIO pins from my raspy berry pi to control my mouse
I have a joystick connected to these gpio pins
pin 24 - mouse up
pin 25 - mouse down
pin 5 - mouse left
pin 6 - mouse right
...
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Ubuntu Core & Raspberry Pi Zero 2 W
I'm trying to run Ubuntu Core 20 on Raspberry Pi Zero 2 W.
According to Install Ubuntu on RPi this should work without a problem when using the 32bit version. Or with 64bit version using following ...
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network setup when installing ubuntu core on raspberry pi 3 [closed]
Does anyone know what I need to do with network configuration when installing Ubuntu core on the Raspberry Pi 3?
I was able to download the Ubuntu image and copy it onto a small SD card as the ...
CommunityBot
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Raspberry pi imager return 404 while flashing OS in SD Card
I have a Raspberry Pi 400 4GB with Ubuntu Server 21.10 64-bit OS installed.
I decided to install ubuntu server again because I broke the OS so I decided to reinstall the OS using Pi Imager utility ...
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How do you disable IPv6 on RPi4 permanently on Ubuntu 20.04 on RPi4B+?
I've been wrestling with sysctl to get it to keep iPv6 disabled and find it works fine if I set it up like so:
$ cat /etc/sysctl.d/10-ipv6-off.conf
net.ipv6.conf.all.disable_ipv6=1
net.ipv6.conf....
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SSH to/from Raspberry PI to/from ubuntu machine
I have configured SSH on my Raspberry Pi 4 to only accept public-private key authentication. I am successfully able to SSH from a Window's 11 machine to the Pi.
First thing that I did was create an ...
CommunityBot
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What distros work with/for raspberry pi [duplicate]
I was just wondering if literally any linux distro will work on raspberry pi for only Linux distro that are (for/made for) the raspberry pi
Any help is much appreciated
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Ubuntu Server 20.04.3 LTS won't open a login shell on Raspberry Pi 4 (screen turns off)
I tried to install Ubuntu Server using the official Imager (so without downloading the image myself)
Ubuntu starts to boot, I see some command line output. Too fast to read it all, I see e.g. ...
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Edit root files from CD Card, Ubuntu
So, I heard that it's possible to edit root files on Linux but if I trying to save the file I get this message:
They do not have the necessary authorisations to store the file. Please, check ...
CommunityBot
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OpenGl 3.3 on Raspberry Pi 4 8gb
Run OpenGl 3.3 on Raspberry Pi
Good evening,
When I run Blender (I don’t know, I suggest it is Blender 2.8 (in Ubuntu), because in normal Raspbain OS, with Blender 2.79 it works out) with my Raspberry ...
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GPIO pin 7 and 8 pull-up resistors and DToverlay
I was using raspbian on my RPI4 till now, but decided that I dont need GUI and would be nice to try Ubuntu Server.
All fine and dandy, but Cannot for the love of god set pins 7 and 8 to low on boot, I ...
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Cannot find name of my network interface card on Ubuntu 20.04
I Ubuntu 20.04 Desktop OS running on Raspberry Pi 4. I have connected a printer to the Pi's ethernet port, and I have troubles in assigning a static IP using netplan. The problem is I cannot find the ...
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Monitor turns blank when installing ubuntu on RBP4
need advice!
I am trying to install ubuntu20.04 64-bit server on RBP4 8G with 32G microSD.
I followed installation instructions mentioned on the raspberry official website, i.e.
Installed Raspberry ...
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