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Questions tagged [ubuntu]

Ubuntu is a Linux operating system derived from the Debian distribution.

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SSH hanging with Raspberry Pi

I have a RaspberryPi Model 3A+, with the Raspbian OS installed. I am trying to SSH from my laptop, into my Pi over my LAN. Initially I encountered no issues. I could ssh in fine, execute commands, etc....
user10709800's user avatar
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1 answer
22 views

Raspberry Pi 4B and Ubuntu 22.04 GPIO

I am running Ubuntu 22.04LTS in order to use ROS-humble on my RPi, however I am running into some issues. How do I configure the GPIO pins and also is there some things that I should note. I plan on ...
msalaz03's user avatar
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16 views

B.A.T.M.A.N. Ad-Hoc Nodes see each other but can't ping with ip address [closed]

I'm trying to connect two raspberry pi zero 2 W using a batman-adv mesh running on Ubuntu Server 22.04. I've set up batman both manually and using networkd+wpa_supplicant but to no avail. When using ...
dickoj's user avatar
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Question about permissions

I have installed Ubuntu 23.10 64 bit on a Pi5. Most things seem OK but I wanted to have pinctrl, so I copied it from Pi4 Bookworm. Somewhat surprisingly it worked without needing to be recompiled but ...
Milliways's user avatar
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1 answer
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Raspberry Pi 5 with Ubuntu 23.10 doesn't connect via Ethernet cable

I've installed Ubuntu 23.10 on Micro SD via Raspberry Pi Imager. To be 100% clear: in the Raspberry Pi Imager v1.8.5, I have clicked at (in the given order) 'Choose OS' > 'Other general-purpose ...
Michal Gow's user avatar
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1 answer
56 views

How to solve "RuntimeError: No access to /dev/mem. Try running as root!" to use RPi.GPIO on my RPI PI 5 and tensowflow installation problems

import RPi.GPIO as GPIO import time GPIO.setmode(GPIO.BCM) GPIO.setup(18,GPIO.OUT) print("LED on") GPIO.output(18,GPIO.HIGH) time.sleep(1) print ("LED off") GPIO.output(18,GPIO.LOW)...
Jdam's user avatar
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1 answer
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Displaying image or gif during boot in ubuntu server 20.04

Is there any way to add a image/gif/short video during boot instead of showing the logs in ubuntu server 20.04 (no desktop environment) running in raspberry pi 4b? Thanks.
Eldho K K's user avatar
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1 answer
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Changing SPI buffer size on ubuntu 22.04 LTS

Im trying to change buffer size for SPI communication for RPi with Ubuntu 22.04 LTS. There is no /boot/cmdline.txt. I have added line options spidev bufsiz=8192 to /etc/modprobe.d/spidev.conf but it ...
Adam Wasilewski's user avatar
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20 views

Failed Kasm Workspace installation on Ubuntu Server 23.10 LTS On raspberry pi 4 7895Mib of memory

I was trying to install Kasm Workspace on Ubuntu Server 23.10 LTS and I received this error: Setting Seed file as /opt/kasm/1.10.0/conf/database/seed_data/default_properties.yaml yaml: unmarshal ...
Plane_guy's user avatar
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2 answers
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Ubuntu Server 23.10 on Raspberry Pi 5 fails to register on home router

I have a fresh install of Ubuntu Server 23.10 via Raspberry Pi Imager. I used custom settings to set a hostname, ssh username and password, etc. I did not include a WiFi SSID and password. When ...
bdparrish's user avatar
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1 answer
542 views

Raspberry Pi 5 and Official 7" Touchscreen Blank with Ubuntu

I got the Raspberry Pi 5 recently and got the latest version of Ubuntu running on it flawlessly (when hooked up to a monitor via the mini HDMI port). I then got the official 7" touchscreen ...
simplexshotz's user avatar
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31 views

Docker Image with audio acess not working, wrong output device

I am running a Raspberry Pi 4 with Ubuntu 22.04 connected to an Elecrow 7inch LCD Display-H 1024x600 that has an audio jack for headsets and comes with two speakers. I am trying to setup a docker ...
K. Meyer's user avatar
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Different printing behavior of Raspberry vs Ubuntu using a Dymo LabelWriter and a PostScript file

I'm defining a PostScript file as a template to then use it as a base to print labels. For this I was using my Ubuntu desktop, but when I tried to print the same PostScript file on the Raspberry, I ...
Daniel N.'s user avatar
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1 answer
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Can you use/interchange the same Ubuntu Desktop 23.10 sd-card in a Raspberry Pi 4 and a Raspberry Pi 5?

I have both a Raspberry Pi 4 and a Raspberry Pi 5, and I am wondering if it is safe and successful to use a Ubuntu Desktop 23.10 formatted SD-Card between the two (ie. use it in the rpi4 for a while, ...
balupton's user avatar
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1 vote
1 answer
81 views

RPI-Imager Unable to Download OS List

I've downloaded the Raspberry Pi Imager for Ubuntu and attempted to run it with rpi-imager. This gives the folllowing output: qt.network.ssl: QSslSocket: cannot resolve SSL_get1_peer_certificate qt....
haiab's user avatar
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1 answer
140 views

Pi Zero 2 - Ubuntu Server 23.10 - HDMI doesn't work on TV

I have a device all setup and it works on my AOC monitor, however when I connect the device to a TV or projector I see the first few seconds of terminal output as ubuntu boots up, then the screen cuts ...
Eric Uldall's user avatar
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0 answers
48 views

Dual Monitor on Raspberry Pi4 running Ubuntu 23.1 and KDE Plasma

I have a Pi4 which refuses to display two monitors using Ubuntu 23.10 and KDE Plasma The same Pi shows the 2 monitors using Ubuntu Mate Desktop. I am switching to KDE because I want to use PyQt5 not ...
themetman's user avatar
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1 answer
46 views

PyQt5 Widget Background Color Incorrect on my Pi

I have searched high and low for this problem, but cannot find anything anywhere. I have Python Version 3.8.10 and PyQt5 version 5.15.10 running in a Virtual Environment on my Py4 with 8Gb Memory ...
themetman's user avatar
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0 answers
356 views

Can't connect to the INTERNET on a new and fresh install of Ubuntu Server 23.10

After a week of trial and error, Ubuntu Server 23.10 is FINALLY running on my Pi. FRESH install! The device is a Pi Zero 2 W, and the OS is currently running in loopback mode. It is unable to get ...
Omar's user avatar
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0 answers
61 views

Why is digitalRead/digitalWrite not working in C++ nor in gpio terminal commands?

I'm writing in C++ using WiringPi to integrate with GPIO but it doesn't seem to work during runtime. Below I have a simple example of an output wired to an input expecting the input to read HIGH, but ...
Yato's user avatar
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0 answers
42 views

Kernel Driver Problems

Background I have a KVM that works with a custom Gaming PC, the last generation of Intel 16-inch MacBook Pro, a Pi4 B 8GB and an empty port for whatever I can think of next. The wireless in my house ...
eyoung100's user avatar
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766 views

XRDP Fullscreen Lag on Ubuntu 22.04.3 (aarch64) with Raspberry Pi 4

I am currently using a Raspberry Pi 4 running Ubuntu 22.04.3 LTS (aarch64). I have been able to successfully connect via XRDP from a Windows 10 machine (Session: Xorg), and the speed is well... ...
N00B_141's user avatar
0 votes
1 answer
906 views

Camera Module 3 / PiCamera not working on Ubuntu Raspberry Pi

I have a Raspberry pi 4B with Ubuntu, and I’m trying to use my camera module 3 with python (I’ve tested the code with Raspberry Pi OS, so I know it’s right) using PiCamera and in a virtual environment ...
Flamethrower's user avatar
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0 answers
16 views

Xscreensaver loads over Brave Browser running videos

I'm running Ubuntu over ARM (RPi4), and I have XScreenSaver installed. The screensaver loads while Brave Browser plays Youtube videos, though. It doesn't load while VLC is running videos. XScreenSaver'...
42piratas's user avatar
  • 101
0 votes
1 answer
87 views

Raspberry Pi won't boot after update Ubuntu Mate

Updated Ubuntu Mate on RPi 4 8GB. It rebooted and ran. Subsequent boots fail with messages: Initramfs unpacking failed: Invalid magic at start of compressed archive spi=bcm 2835 fc204000.spi could not ...
JPB's user avatar
  • 11
-2 votes
1 answer
471 views

SOLVED- Black screen when booting up raspberry pi

I use a 4GB raspberry pi 4B. Recently, I switched to Ubuntu, and it had been working fine, until one day, I booted it up and the screen was black. Sometimes a glitched Ubuntu loading screen appears ...
Flamethrower's user avatar
0 votes
1 answer
219 views

Qt6 compiler binary package

I'm aware I can cross-compile Qt6 on my dev machine or I can build the Qt6 from sources directly on the Rapsberry Pi. But is there any binary package for the compiler? Like when you use the online ...
Mark's user avatar
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99 views

Ubuntu 20.04 Raspberry Pi error "vc_sm_cma: module verification failed: signature and/or required key missing - tainting kernel" How to fix?

I am running Ubuntu Server 20.04 on Raspberry Pi 4. In my /var/log/kern.log file I am getting the following messages: vc_sm_cma: module verification failed: signature and/or required key missing - ...
DanRan's user avatar
  • 99
-1 votes
1 answer
297 views

Ubuntu Server 20.04 on Raspberry Pi 4 error: "kernel: ieee80211 phy0: brcmf_cfg80211_get_station: GET STA INFO failed, -52" How to fix?

I am running Ubuntu Server 20.04 on a Raspberry Pi 4. In my system logs I am getting the followng error: kernel: ieee80211 phy0: brcmf_cfg80211_get_station: GET STA INFO failed, -52 What does this ...
DanRan's user avatar
  • 99
0 votes
0 answers
268 views

cloud-init fails on adding user

I'm trying to install Ubuntu Server (64-bit) on a Raspberry PI 4B. I've created an image with the Raspberry Pi Imager, with a user/password and SSH enabled. The cloud-init script fails when trying to ...
Mark's user avatar
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1 vote
0 answers
601 views

Updating RaspberryPi Ubuntu Server 20.04 to 22.04 caused usercfg.txt to not be honored

I asked on askUbuntu a while back but didn't get much traction... should have known there was a stack for Raspi... So I've been putting my HMDI output configuration in /boot/firmware/usercfg.txt ...
Chris Heath's user avatar
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0 answers
205 views

Export/import dmabuf

I wanted to ask do I need extra modifications for kernel I am running (it's a Ubuntu 22 desktop). Essentially, I have logic that exports and import (in another process) dmabuf of a opengl texture. ...
hedgehog_o_tail's user avatar
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0 answers
136 views

Freenove Camera not able to interface with Raspberry pi 4 + Ubuntu 20.04 LTS

I am trying to work on a project where I want to use ROS. However, I found that for using ROS Noetic, I will need to install Ubuntu 20.04 on my Raspberry pi 4. Now, I bought a camera module (Freenove ...
Inderjeet's user avatar
0 votes
2 answers
387 views

Failure when trying to run MongoDB on Raspberry Pi 3 B & Ubuntu 23.04

I am trying to install & run MongoDB on my Raspberry Pi 3 B running Ubuntu. After installing and trying to start it, I get this status: srv_user@raspserver:~$ sudo systemctl start mongod srv_user@...
cryseascr's user avatar
1 vote
0 answers
831 views

More Mistakes at RPI3 + Ubuntu Server 23.04

Yet again, a new error. After a fresh install of Raspberry Pi 3B + Ubuntu Server 23.04, immediately after successfully changing the SSH password, following this documentation, under these specific ...
Brethlosze's user avatar
0 votes
1 answer
537 views

Raspberry Pi Imager can't use Ubuntu Server Image

With the Raspberry Pi 3B, Raspberry Pi Imager, Ubuntu Server 64bit 23.04, for writing the SD card image, I tried the following Imager options: At Image Customization Options Tried: No configuration ...
Brethlosze's user avatar
-1 votes
1 answer
44 views

Raspberry Pi 3B cannot connect to wifi

I was trying to connect to wifi from my RPI3 running Ubuntu 22 server. This is my conf file /etc/wpa_supplicant/wpa_supplicant.conf Ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev ...
Himanshuman's user avatar
0 votes
1 answer
727 views

rpi-imager not working in ubuntu 22.04.2 LTS x86

I want to use rpi-imager in ubuntu sudo -i apt update apt install rpi-imager rpi-imager but it couldn't work.The log is: QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' ...
chaganhu's user avatar
0 votes
1 answer
20 views

Running ubuntu -headless- on early PiB

I am tinkering around with an old PiB It's currently running - no GUI - under Buster Can I get it running headless with ubuntu? (I am using ubuntu headless on a couple or more recent Pi's and would ...
forestDM's user avatar
-1 votes
1 answer
181 views

How to install Ubuntu server to Raspberry Pi 2 using BTRFS?

I would like to install a Ubuntu server to my Raspi 2's SD CARD, but using btrfs file system. The preinstalled Ubuntu images do not help in this case, how would you do this?
Seathorn's user avatar
1 vote
0 answers
201 views

Can hardware decoding of h.264 be enabled in Kodi on Ubuntu?

Running Ubuntu 23.04 (and previously 22.10) on a Pi 4 doesn't seem to allow me to hardware decode h.264 in Kodi from Debian from the Ubuntu repo. I draw this conclusion from the Video decoder: f-h264 (...
Andreas's user avatar
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0 votes
0 answers
227 views

Raspberry Pi 4 Ubuntu won’t connect to wifi

Flashed on Raspberry Pi OS, and I couldn’t connect to the internet by any graphical or terminal means, so I tried Ubuntu but I get the same results. I got this PI less than a year ago and have barely ...
Jessie Productions's user avatar
1 vote
0 answers
111 views

Rotate screen and touch overlay on ViewSonic LD2455 connected to raspberry pi 4b running ubuntu 5.19.0-1015-raspi

I would like to rotate the screen and touch overlay on my ViewSonic TD2455 connected to a Raspberry Pi 4b (4GB) running Ubuntu raspi 22.04 5.19.0-1015-raspi aarch64. I have tried all the usual ...
McCodeman's user avatar
1 vote
0 answers
141 views

I cannot locate /var/lib/mlocate.db

I have Ubuntu 22.04.2 LTS installed on my Raspberry Pi and I try to locate the file /var/lib/mlocate.db but I cannot find it. I installed locate package. It's because I'm doing an online course from ...
Chookitypok's user avatar
1 vote
0 answers
227 views

Cubic Ubuntu virtual environment not working

When I try using Cubic Ubuntu to make a custom image of Ubuntu, I put in the ISO file, rename some things here and there, and click next. After it copies some stuff and does its thing, it tries to ...
Darshan Kolesar's user avatar
1 vote
1 answer
79 views

DS18B20 not showing up Pi 400

I have a raspberry pi 400 running ubuntu server. I have a DS18B20 with a 4.7k resistor connected from the power to the data wire. I boot up the pi and run the sudo modprobe w1-gpio and sudo modprobe ...
TomB's user avatar
  • 34
2 votes
0 answers
555 views

RPi Camera V2 not detected with Raspberry Pi4 running Ubuntu 20.05 LTS

I am running into a problem in which I am unable to have my Pi detect my new RPi Camera V2. I am running on Ubuntu 20.04 LTS (focal) since I am working on a robotics project that requires ROS2(foxy). ...
boogie_muffins's user avatar
1 vote
0 answers
280 views

BOOT Error: end Kernel panic - not syncing: No working init found. Try passing init= option to kernel

I did sudo halt and then power off the raspberry pi, then power off. And the next time I power on the pi, I can't boot the system anymore, and got this error. I successfully run the commands fsck -y /...
fjybiocs's user avatar
2 votes
1 answer
412 views

Raspberry Pi 4B Ubuntu 22.10 Bluetooth scan successful but fail to pair

My mouse stopped working a few days ago and is unable to work since then. I tried but fail to pair it again through either Terminal or Settings > Bluetooth. The Bluetooth right now is able to ...
yts61's user avatar
  • 121
1 vote
1 answer
403 views

How to install Ubuntu Desktop 22.04.1 LTS on external SSD? [duplicate]

I downloaded Ubuntu Desktop 22.04.1 LTS from https://ubuntu.com/download/raspberry-pi and copied image to external SSD using Raspberry Pi Imager. When I power Raspberry Pi 4 (2GB), I see rainbow and ...
sunknudsen's user avatar

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