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Questions tagged [ubuntu]

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

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3k views

Installing RStudio on a Raspberry Pi running Ubuntu MATE 16.04

I am planning to do a classroom project using R and RStudio IDE. I am able to run R from command line. I installed the package using the command below sudo apt-get install r-base Now I am trying to ...
35 votes
8 answers
54k views

I failed to remote connect to Raspberry Pi 3 from Ubuntu

I just bought raspberry pi 3 with Rapbian Jessi with Pixel and I have a Lenovo laptop with Ubuntu 14.04 64 bit on it. I want to remote connect to it from my laptop. I enabled the VNC server on ...
0 votes
1 answer
1k 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 ...
0 votes
3 answers
8k views

How to run GitLab through Docker on Raspberry Pi 4b on Ubuntu Server?

While trying to start GitLab in a Docker container I am experiencing some issues. The command does works on other pc's. The command consists of: sudo docker run --detach \ --hostname 127.0.0.1 \ --...
0 votes
1 answer
955 views

Unable to install Mongo-DB on Raspberry Pi with Ubuntu Core 18.04

I am trying to install mongoDB on my Raspberry Pi 3b+, which has an ARM 4-Core 64 bit processor. I was trying to install MongoDB on my Pi just as mentioned in their documentation but unfortunately I ...
0 votes
1 answer
98 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 ...
0 votes
1 answer
284 views

How to use gpiozero on RPi4 with Ubuntu 21.04, errored out NotImplemented

I'm trying to drive the motors from my RPi4. On the RPi4 4GB RAM, I installed Ubuntu 21.04. Here is the code, it used to be working on RPi Buster OS # import os # os.environ['GPIOZERO_PIN_FACTORY'] = ...
1 vote
1 answer
31 views

Reactivate monitor without keyboard / mouse

My setup: Raspberry Pi 5 with Ubuntu 24.04 installed Monitor: https://www.waveshare.com/wiki/7inch_HDMI_LCD_(H)_(with_case)#Working_with_Raspberry_Pi I changed the /boot/config.txt according to the ...
7 votes
1 answer
2k views

Ubuntu 21.10 desktop environments freezing on Pi 400

I have created SD card with Ubuntu Desktop 21.10 using Pi Imager on Raspbian. It boots fine but when I interact with desktop environment, e.g. re-arrange the icons on the sidebar, the desktop ...
1 vote
2 answers
155 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....
2 votes
1 answer
499 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 ...
0 votes
3 answers
562 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@...
1 vote
1 answer
1k views

Failed to start Load Kernel Modules for installing Ubuntu 18.04 on Raspberry 4

I tried to install Ubuntu 18.04 on Pi4. I followed the link from ubuntu for pi. After inserting the SD card with Ubuntu image, the error appeared after few lines with [FAILED] Failed to start Load ...
0 votes
1 answer
2k views

How to install Ubuntu MATE without HDMI output?

I'm new to Raspberry Pi 2, I just bought a Raspberry Pi 2 1.1, I don't have a TV or monitor with HDMI input, so I have to install Ubuntu MATE without it, is there any way to use composite video? i ...
2 votes
1 answer
158 views

Wireless keyboard & mouse receiver only recognized as a mouse receiver (Rpi 4 ubuntu 21.04)

I have a USB receiver that's for both a keyboard and a mouse. When I plug it in to a computer, it works perfectly. But when I plug it in to my raspberry pi 4, the wireless keyboard doesn't work while ...
0 votes
1 answer
325 views

How to connect to rpi 4 without home network via Wifi adapter

I have a Rpi 4 (Ubuntu 20.04.5) and a desktop (Windows 11). On the desktop, I have a wifi adapter. How can connect to RPI via ssh without wifi home network? I don't need the RPI to have access to the ...
0 votes
1 answer
1k 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 ...
0 votes
0 answers
16 views

Issue with WiFi and Ethernet after Installing a Library on Raspberry Pi 4 with Ubuntu 20.04

I recently installed a library on my Raspberry Pi 4 running Ubuntu 20.04. After rebooting the system, I lost access to WiFi, and the WiFi option has disappeared from the settings menu. I also tried ...
0 votes
1 answer
2k views

Unable to detect NVMe M.2 ssd in raspberry pi 4 8gb

Is it possible to use an NVMe M.2 as external storage on a Pi4b 8GB? I have the following PCIe device: samsung NVMe PCIe 3.0 SSD 970 Evo plus, 500 gb + external hard drive enclosure with a C to A ...
0 votes
1 answer
114 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 ...
2 votes
1 answer
1k views

Snappy Ubuntu Core In Debain Qemu

Is there a way to emulate the Snappy Ubuntu Core image in Qemu under Debian now that it has an arm cortex a-7 chip on it? I tried following this wiki and installed virt-manager to set things up but I ...
1 vote
1 answer
470 views

Ubuntu 20.10 aarch64 (Raspberry Pi CM4) how do I access 1-Wire devices?

Running Ubuntu 20.10 aarch64 (Raspberry Pi) on a Compute module 4 Am scratching my head on how do I access 1-Wire devices? I've tested the DS18B20 sensor using Raspberry Pi OS and it works by enabling ...
1 vote
1 answer
267 views

monitor no hdmi signal

I've installed ubuntu classic server 16.04 (Rasberry Pi 3 edition) found here https://ubuntu-pi-flavour-maker.org/download/ on Rasbperry Pi 3 b and everything is working as expected when I ssh into it....
2 votes
1 answer
12k views

YouTube is very slow on Raspberry Pi 4

I have Raspberry Pi 4B 4 GB model, and I installed Ubuntu 64bit. When I watch YouTube with 1080p, it lags a lot. I tried many things, I tried splitting memory, using Chromium, I set Chromium to use ...
0 votes
1 answer
256 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 ...
0 votes
1 answer
166 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 ...
1 vote
0 answers
43 views

RTSP 1080p Gstreamer player on Raspberry Pi 4

I am trying to run on a raspberry 4B a RTSP H264 1080p stream. I first tested the file locally on the Raspberry Pi 4. gst-launch-1.0 filesrc location=test.mp4 ! qtdemux name=demux demux.video_0 ! ...
-1 votes
1 answer
4k views

How to configure Wine and box64 emulator on Pi 4B?

I have a Raspberry Pi 4B 8 GB running Ubuntu 21.10 desktop that I use. I want to expand the uses of my Pi and I want to run some windows programs. I installed pi-apps, a program helps you install ...
0 votes
0 answers
112 views

Raspberry Pi 4 crashing(?) after OS is installed

I am trying to boot up my Raspberry Pi 4, but the green light (next to power) keeps blinking and then shutting down! I was able to install Ubuntu Desktop on the 32GB microSD, but as soon as I tried to ...
0 votes
1 answer
71 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 ...
0 votes
1 answer
568 views

Ubuntu 20.04 'Focal' cannot find all I2C devices via i2cdetect; it get a few, though

This is puzzling me: I use Ubuntu 20.04 'Focal' on a RPI CM4. When I run i2cdetect -y 1 to list the connected I2C devices on /dev/i2c-1, I get a few addresses back that correspond to the custom PCB I ...
0 votes
0 answers
76 views

Raspberry Pi 5 corrupting external SSD data

Setup I have a Raspberry Pi 5 8GB, with the official active cooler, powered by the official 5A power supply. It's running Ubuntu 24.04 64-bit. I have quite a few devices connected to it: a 2.5 Gbps ...
0 votes
0 answers
23 views

raspberry pi does not boot when UART(RX/TX) connected via serial

I am using ubuntu 20.04 server LTS on raspberry 4. I have pixhawk flight controller connected via TX/RX on raspberry pi GPIO14(TXD) GPIO15(RXD).I write a mavproxy.service to forward telemetry data to ...
0 votes
0 answers
126 views

How To Setup Pi Camera Livestreaming with ROS2 Humble on Ubuntu 22.04

I am trying to integrate a raspberry pi camera into my robotic platform running on ROS2 Humble Hawksbill on Ubuntu 22.04. It works fine with all of the built in libraries on the default raspberry pi ...
0 votes
0 answers
148 views

Raspberry Pi 5 (Ubuntu) : SSH works intermittently

I run Ubuntu Server on my Raspberry Pi 5, headless install. I always access it by running ssh username@IP_Address. Sometimes it works flawlessly and I am able to connect to the Pi. However, once I ...
-1 votes
2 answers
281 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 ...
-2 votes
1 answer
934 views

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 ...
0 votes
0 answers
49 views

Why my Raspberry, goes offline, after wifi router internet cable is unplugged

Situation looks as follow: I have my raspberry pi connected to the wifi network. I have internet access from raspberry. I have my laptop with Ubuntu 21 in the same wifi network. I have internet ...
0 votes
0 answers
75 views

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....
1 vote
1 answer
3k views

How to solve ''"Failed to load image Python extension: {e}"? [closed]

I tried to use yolov5 on my raspberry pi for image detection. But whenever I tried using the raspberry pi camera this error message popped up with 'AssertionError: 1/1: 0... Failed to open 0' I am ...
1 vote
2 answers
285 views

How do I get Swift working on my Pi 3b

I am a longtime iOS OS X developer who's switched most of his work to Swift. Now that Swift is open source, it has been offered for non-Apple ARM devices like the Pi. Based on my reading, it looks ...
-2 votes
1 answer
194 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)...
-1 votes
1 answer
521 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 ...
1 vote
0 answers
33 views

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 ...
-1 votes
1 answer
596 views

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 ...
0 votes
0 answers
53 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 ...
2 votes
3 answers
2k views

UART usage with Ubuntu PI3 Model B

Can someone tell me the steps what I need to do tu get a serial communication to work? I have a raspberry pi 3 model b rev 1.1 with Ubuntu Server 20.04. I need to communicate with a sensor via serial ...
0 votes
0 answers
36 views

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 ...
0 votes
1 answer
35 views

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, ...
0 votes
1 answer
340 views

Process readKey with high CPU load

I recently installed an "Ubuntu 16.04 LTS" on a Raspberry 3 fully upgraded to evaluate some Z-Wave devices functionality. Now I see a high readKey load (15-20%) all around the clock which is not ok ...

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