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.
1,141
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RaspberryPi plus VNC plus Ubuntu gets stuck
[this is a repeat, my apologies; I posted it under the Ubuntu list of the raspberrypi.com forum before I found the "Not official" note there]
Hi. I'd like to set up a RaspberryPi machine ...
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28
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RTSP Stream of Raspberry Pi (Raspbian) Desktop via VLC?
Has anyone been able to stream the desktop of a Raspberry Pi running Raspbian over RTSP?
I've been attempting it using variations of the code below:
cvlc screen:// :screen-fps=30 :sout="#...
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Firefox Video Play Errors on Raspberry Pi4
I'm running Ubuntu 22.04.3 LTS on a Raspberry Pi4 with 8GB RAM and Firefox 117.0.1 installed.
I'm seeing the following errors via journalctl -f, when starting to view an OReily course video on Firefox:...
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48
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Camera Module 3 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 ...
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Ubuntu server 22.04 on Raspberry Pi not picking up both attached disks
Ubuntu 22.04.3 LTS server is not picking up both USB attached SSDs on my Raspberry Pi 4b.
My Pi has two USB 3.x ports and I'm using two USB to SATA cables to connect 2 x 1TB Samsung 870 QVO SATA III 2....
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Trouble SSHing into Raspberry Pi with Passwordless SSH Key on Ubuntu Core 20
I have successfully created a bootable Ubuntu Core 20 SD card using Raspberry Pi Imager. I generated an SSH key using PuTTY Key Generator without a password and added it to my Ubuntu account's SSH key ...
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27
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Black screen when booting up raspberry pi
(I had already asked this on the raspberry pi stack exchange but, as of now, no one has solved the problem).
I use a 4GB Raspberry Pi 4B. Recently, I switched to Ubuntu, and it had been working fine, ...
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Unable to change I2C clock dtc
Good afternoon dear friends,
The goal:
-> Change i2c clock frequency to 400kHz
The motivation:
-> Trying to use Adafruit BNO085 via i2c and there are known issues with rpi i2c clock stretching. (...
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28
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Raspberri pi ubuntu server preinstalled "ubuntu-image" definition
I am chasing down how the "preinstalled" Raspberry Pi images are being generated. What I found so far:
ubuntu-image is the tool for generating those images, which requires a yaml file with ...
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Avahi-Daemon can't discover RaspberryPi
Ubuntu 22.04 is unable to find raspberrypi.local on my network.
However, my iPhone can find it.
PI is running over ethernet.
I've restarted the avahi-daemon.service on the pi, and also avahi-daemon on ...
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Ubuntu Core 22 installation stuck on raspberry pi4 B
My Raspberry Pi 4 is stuck at this point while installing Ubuntu Core 22 as shown in the attached image.
I waited for about 2 hours, but cannot see any progress. I wrote the Ubuntu Core image using ...
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152
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Can I run a kernel newer than 5.15 on Ubuntu 22.04 on a Raspberry Pi 4b?
I've got a Raspberry Pi 4b 4GB running Ubuntu 22.04 server (kernel 5.15) that I run ROS2 Humble on for robotics (which necessitates 22.04). I recently bought a Raspberry Pi Camera Module 3 to use as a ...
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`-bash: No such file or directory` When there is very mutch is file there
I am trying to install sdr++, but I dont think that matters. after installing the nightly apt package on my rpi 4, I attempted to run the main bianary sdrpp but got a file not found error:
pi@sdr:~ $ /...
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Why my CPU frequencies high but application performance is poor
I have two similar raspberry pi running Ubuntu with little difference in their configuration. I am trying to monitor their performance for running my application. So I am running my app on both ...
- 153
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Pi 4 is not booting anymore
I am a total noob in pi and ubuntu.
My PI4 with 22.04 worked fine. Today it wont turn on anymore. Just get the message "zswap zpool z3fold not available, using default zbud" before screen ...
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Problem connecting camera to RPi 4 running ubuntu 20.04 aarch64
im tring to connect camera (Raspberry GSCam) to raspberry pi 4, running ubuntu 20.04 aarch 64.
I have added start_x=1 and gpu_mem=128 to /boot/firmware/config.txt and rebooted. Still there is no ...
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I want to rsync a folder from local ubuntu harddrive to raspberry external harddrive
I want to rsync a folder from local ubuntu harddrive to raspberry external harddrive.
Problem is finding the right path.
When i search in ubuntu file explorer i can open the folder on the raspberry ...
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650
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Firefox 116 fails to start on Ubuntu 22.04 ARM64 Rpi4 after a snap refresh
Firefox 116 fails to start on Ubuntu 22.04 ARM64 Rpi4 after a snap refresh.
Firefox 116.0-2 was installed but fails to start either from the gui or command line.
I tried:
snap remove firefox
snap ...
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58
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Run audio file at boot
I've installed ubuntu server on a raspberry PI4. I would like this raspberry to run an audio file at boot (without me logging in).
I have created an audio.sh file with the following:
#!/bin/sh
cvlc --...
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65
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How to install Wi-Fi USB Dongle driver on raspberry pi 3?
I am working on a raspberry pi 3. For a project the raspberry has to be in a 5 GHz Wi-Fi. Therefore we want to use a 5 GHz USB Wi-Fi Adapter (Edimax AC600 EW-7811ULC). The problem is that we can not ...
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51
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Ubuntu server on Pi won’t connect to Internet
For the past few hours I have been following to official Ubuntu guide to setup an Ubuntu server on my Raspberry Pi 3B+ however whenever I boot up the server and sign in it doesn’t connect to the ...
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Ubuntu 22.04 Server fails to boot on Raspberry Pi 4: Failed to load "initrd.img"
I was using Ubuntu Server 20.04 and then tried updating it to Ubuntu 22.04. I left it overnight and in the morning I could not access it. I pulled the plug, powered it again and no boot. The EEPROM ...
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64
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In dialout group for Chirp but USB port still not working
I've followed every available instruction and "fix" over countless hours for months. Still haven't got Chirp to work - ever. Cannot get USB access after following all instructions and fixes. ...
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61
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Raspberry pi stuck on systemd when running apt upgrade
Hey I just got my raspberry pi 4 and installed the light 32 version but when do sudo apt upgrade it keeps getting stuck at settings up systemd (247 .3-7+rpi1+deb11u2) I have reinstalled and repeated ...
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2
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205
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Failure when trying to run MongoDB on Raspberry Pi 3 B & Ubuntu Server 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@...
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75
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Creating a dummy v4l2 capture device without using 'v4l2loopback'
Can i create a dummy v4l2 video device just like done by sudo modprobe v4l2loopback without using v4l2loopback via command line.I don,t want to use v4l2loopback because it is not able to call a ...
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174
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Setup VNC on headless Raspberry Pi using Ubuntu 23.04 can't open display
Attempting to setup TigerVNC on Ubuntu 23.04 using Raspberry Pi 4B.
Got to step to test by entering 'vncserver'.
Received this output:
New Xtigervnc server 'KG7JE-Ham:1 (steve)' on port 5901 for ...
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Updating Python on Raspberry Pi3b
Set up a new Raspberry Pi and followed the instructions in this articel to update to the current version of python: https://raspberrytips.com/install-latest-python-raspberry-pi/
When attempting to ...
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1
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141
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20.04 Cloud-init appears to disable ipv4 DHCP on eth0
I'm doing a fresh install of 20.04 on some Raspberry Pi 3s. The SD cards were flashed with Ubuntu 20.04 Server (32bit) using the RPi imager.
When cloud init finishes wlan0 has an ipv4 address from ...
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94
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Autostart with Desktop Entry only works for GUI applications
I am trying to start django with a Desktop Entry file and open a chromium browser in kiosk mode to show a locally served website which shows some weather reports for my area etc ...
I put some sleep ...
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504
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Can hardware accelerated video decoding be enabled for Kodi on Raspberry Pi 4?
I've been running 23.04 on a Raspberry Pi 4 (4 GB) for some time, but Kodi (20) from Debian does not seem to use hardware decoding, neither for h.264 nor h.265. I've tested with reasonable resolutions ...
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57
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Unable to execute ./JLinkExe: No such file or directory
I'm using raspberry pi 4 as a host to run the Jlink-plus debugger.
I downloaded the software JLink_Linux_V788c_arm from SEGGER website.
But when I run sudo ./JLinkExe, it always said that sudo: unable ...
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191
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Set Ethernet as the default connection on Raspberry Pi on Ubuntu 22.04 server
I have a Raspberry Pi 4 running Ubuntu 22.04 server edition, it can connect to the local network via either wired eithernet or Wi-Fi connections. Currently, it defaults to the Wi-Fi connection, but I ...
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56
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Ubuntu Core 22 64 bit - Raspberry Pi 4 - SSD boot loop (full Ubuntu boots fine)
I'm using Raspberry Pi imager to write the provided images to SDCard/HD/SSD
Raspberry Pi 4 eeprom is upgraded to the latest version, and no sdcard is present during the issue.
Booting Ubnt Core 22 ...
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303
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Connecting to raspberry pi failure in name resolution
My current setup is that I have multiple Raspberry pis connected to my laptop through a network switch. None of the pis are connected to the internet. I want to broadcast commands to all of them to ...
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132
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how to enable headless operation on an Ubuntu 22.04 desktop running on a Raspberry PI without screen
I've tried to follow:
RPI4 and Ubuntu 20.04 LTS: Switch between headless and hdmi mode without any changes
but it doesn't seem to work. The RPi fails to boot.
My goal is to be able to connect via ...
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114
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Serial Port GID is root (not dialout) on Raspberry Pi CM4
I am getting "Permission Denied" errors when trying to access /dev/serial0 on the Raspberry Pi CM4. I've tried the common suggestions of adding my user to the dialout and tty groups, but ...
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Ubuntu on Raspberry Pi (ARM architecture) - cannot run AVCHD MTS, or mp4 movies
I am running Ubuntu 22.04 on Raspberry Pi 400 (an ARM computer).
I can connect to an Internet TV feed, or YouTube, using Firefox, and then the broadcast runs fine.
When trying to play .MTS videos (...
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Can someone tell me why does Lubuntu does not boot into the Gui and there is no command prompt?
I downloaded the Ubuntu server 23.04 32bit on 11/05/2023, so it is the latest version and used the raspberry PI imager software to write the MicroSD card. I followed the instructions on your website &...
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92
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Share desktop's WiFi internet with Raspberry Pi over ethernet
I'm trying to set up my RPi in headless but having trouble with sharing my Ubuntu desktop's WiFi internet over ethernet. This question has been asked before indeed, but they just don't work for me for ...
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CPU usage when GUI is on vs GUI is off : Ubuntu 20.04 and Raspberry pi 4
Myself going to use Raspberry pi 4 (8gb ram) with ubuntu 20.04 installed in it, for my projects using ROS. I will use the GUI for some main debugging purposes, or else I would stop the GUI and prefer ...
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1
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228
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OrangePi 5 disconnecting from internet-less ethernet
We just purchased an OrangePi 5 and tried to run both the OrangePi Bullseye OS and Ubuntu Focal yet we face the same issue in both. The ethernet (eth0) keeps disconnecting from our Doodle Radio (which ...
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229
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brcmfmac: cf880211_set_channel: set chanspec 0x1234 fail, reason -52
I have installed Ubuntu Server 22.04.2 LTS on a rasberry Pi 4. I am attempting to connect the wifi to my school wifi. I am getting many of this error:
brcmfmac: cf880211_set_channel: set chanspec ...
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wifi config on raspberry pi
I used the raspbery pi image utility to create an ubuntu image. In the utility you can set the wifi settings before it create the image on the sdcard.
I was able to connect to my home wifi but I would ...
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127
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Raspberry pi not booting from updated kernel running Ubuntu 20.04. How to switch to updated kernel on Pi 4?
I am running Ubuntu Server 20.04 on a Raspberry Pi 4. I recently did a sudo apt update && sudo apt full-upgrade on my server and it (maybe unsucessfully) update my kernel version.
When I run ...
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161
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USB CD/DVD not detected by 23.04
Completed a fresh install of 23.04 desktop on Raspberry Pi 4. All good until I connected my external CD/DVD drive, which was pnp on 22.04 and 22.10. No joy on the lobster. Neither Disks utility nor ...
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925
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Ubuntu Server 22.04 LTS using netplan and networkd on RPi4b won't assign DHCP IP to wlan0
Fresh install of Ubuntu Server 22.04 LTS on a 4GB Raspberry Pi 4b with PRO activated. On the initial boot up, I didn't realize I needed to wait until the cloud-init sequence finished so I may have ...
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55
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UART with RS485
Does anyone know how to implement and process the rs485_config callback in the uart_port structure on Raspberry Pi in Python?
Thanks in advance
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151
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Updating RaspberryPi 4b from Ubuntu Server 20.04 to 22.04 caused usercfg.txt to not be honored
So I've been putting my HMDI output configuration in /boot/firmware/usercfg.txt
consoleblank=0
hdmi_group=1
hdmi_mode=95
dtoverlay=vc4-fkms-v3d
disable_overscan=1
After doing an in-place upgrade from ...
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145
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Bash Script to change WLan SSID
I'm new to Linux, and I'm looking for a simple way to update the SSID and associated password on the wlan0 interface at a set time. I need to copy file from a device on Network 'A' to a device on ...
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