Questions tagged [ubuntu]

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

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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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Ubuntu server could not get clk: -517 on boot

I have a Raspberry Pi 4 8gb running ubuntu server 20.04, having the root partition through usb to a 1Tb ssd. And recently when booting the system, it displays this error: [ 1.313819] spi-bcm2835 ...
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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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RaspberryPi security, Bios settings, ubuntu secure boot. 2fa u2fa hacking

Do I have to enter operatingsystem in order to access BIOS settings on a raspberry pi? I am thinking about installing ubuntu on a raspberrypi and I see that linux has equvalent to windows 10 safemode. ...
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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 ...
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Ubuntu 20.04 XFCE shows incomplete windows

Using my Raspberry Pi (Model 4 with 8GiB of 2020) works fine, although it is considerably slower than my (older) Android phone, a OnePlus 6. But the slowness is not the issue. I installed Ubuntu 20.04 ...
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Hardware PWM not working in Ubuntu 20.04

I'm running Ubuntu 20.04 on an RPI 3b. I need both Hardware PWM channels. I added the following line to /boot/config.txt and /boot/firmware/usercfg.txt: dtoverlay=pwm-2chan,pin=18,func=5,pin2=13,func2=...
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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'...
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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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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 ...
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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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How to solve ''"Failed to load image Python extension: {e}"?

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 ...
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USB Keyboard and mouse not being detected

I am using a Pi 4 Ive been searching all over the place on how to fix this and nothing helped I can't even login to Ubuntu I can't run commands SSH is not enabled I have no idea on how to fix this I ...
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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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2 answers
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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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What's the proper ili9341 driver for raspberry 4b ubuntu 20.04 system?

Newly purchased 2.4 lcd,but my system is not origin raspberry os. As to ubuntu 20.04,what's the proper ili9341 driver for raspberry 4b?
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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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VNC Raspberry pi Ubuntu connection refused after Reboot

Good Morning, I have a Raspberry pi 4 8GB ram version, where I installed Ubuntu 21.10 64bit version. In order to avoid having to carry a screen while traveling, I started using VNC Viewer on my ...
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NameError: name 'I2C' is not defined (Raspberry Pi 4 Model B - Ubuntu 18.04 - adafruit_lidarlite)

I am getting an issue while trying to use the library "adafruit_circuitpython_lidarlite". Below are the details of my environment: 1- Distributor ID: Ubuntu (ubuntu-18.04.5-preinstalled-...
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2 answers
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Additional i2c_gpio is not detected on Ubuntu Server 20.04 / RPi Zero 2 W / A+

I'm trying to enable the second (GPIO-based i2c) on RPi Zero 2 W, Ubuntu server 20.04 to connect the following sensor. Note that the primary i2c pins are physically occupied as RPi is used as a hat ...
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2 answers
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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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Spidev missing?

New member (Pete) here, and I have delayed seeking help from a forum for the first month of my efforts with Pi, figuring I might in some ways remember things better if I work through the learning ...
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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 ...
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How to install DTBs overlays on Ubuntu Сore 20?

How to enable PWM device? There is no /sys/class/pwm/ devices. I did not find dts compiler or overlay config. Point to documentation of enabling GPIO devices: hardware pwm, spi, i2c etc.
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How to make a raspberry pi a remote desktop controlled with normal pc running ubuntu?

I have a raspberry pi 4b and a normal full-size pc by dell. The big pc has ubuntu on it, and the pi has raspbery pi os bullseye. I want to make the raspberry pi be a remote desktop that can be ...
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1 answer
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how to edit /boot/config.txt from the .img.xz file?

i have installed ubuntu-21.10-preinstalled-desktop-arm64+raspi.img.xz. is it possible to edit /boot/config.txt from the file itself so that we need not boot into the pi and then edit the config.txt ...
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Ubuntu 21.10 upgrade/images fails to boot on Raspberry Pi 4 8GB

I have three different Raspberry PI 4 with 8GB. The oldest of them fails to boot the Ubuntu image. After displaying the text for the GROWROOT on either a 32GB or 64 GB created microSD card, the ...
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1 answer
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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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How do I run synchronet on Ubuntu 20.04 64-bit?

Can someone provide complete steps for running synchronet on Ubuntu Server 20.04 64-bit? I managed to successfully compile with SpiderMonkey 1.8.5, but then I run into a segfault when a GET request ...
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1 answer
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Ubuntu on Pi Zero 2W Wifi not listed

I can't figure how to setup a Wifi connection on my pi zero 2, running on Ubuntu server 21. I tried many different things and here the results: Raspbian lite: everything works fine Ubuntu server: can ...
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Properly chrooting and unmounting on external USB drive

I found multiple guides how to correctly chroot into an arm64 system. In my example I am working with the 21.10 Ubuntu arm image for raspbian pi. I am wondering what is the "best" and most ...
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1 vote
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Connection too slow using RPi 4 and Wireguard

I setup a local home VPN on a Raspberry Pi 4 Model B 2019 Quad Core (4GB of RAM) running Ubuntu 20.04 connected to my home router using ethernet. I used PiVPN with Pihole for the setup. I setup the ...
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Reboot on using Microsoft remote desktop

I have a raspberry Pi 4 running Ubuntu. Most of the times I connect to it using Microsoft remote desktop, it hangs and then reboots after some time. Has anybody seen this? How can I find out why the ...
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RPi, Ubuntu, dual monitors no longer working

Raspberry Pi 4B 8GB; Ubuntu 21.10, X11; two BenQ EL2870U monitors I had some system problems after upgrading Ubuntu from 20.something to 21.10. Decided to start fresh: new disk, installed fresh ...
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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 ...
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do i get more io from a cluster?

suppose i have a cluster of 2 pi 4s (8 gig model and 32gb sd cards). i will get 2 seperate computers together having 4 cores and 8gb ram (based on jeff geerling's blog https://www.jeffgeerling.com/...
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How to build custom ubuntu desktop image with required package

I need to build ubuntu desktop image with my required package, please suggest the steps required. Thanks & Regards.
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1 answer
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netplan apply fails with "Cannot find unique matching interface for eth0"

Using Ubuntu 21.10, if I try to set a static IP for my raspberry in /etc/netplan/50-cloud-init.yaml, I have an error when I run netplan apply, that reads: Cannot find unique matching interface for ...
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-1 votes
4 answers
396 views

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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1 vote
1 answer
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How to set up picamera on Raspberry Pi 3 B+ with an Ubuntu 20.04 OS

I have a TurtleBot3 Burger robot which has a Raspberry Pi 3B+ on it. And the RPI has to run Ubuntu 20.04 OS, otherwise I can't use ROS and eventually the robot functionalities. The RPI has a picamera ...
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Enabling uart0 (ttyAMA0) and uart1 (ttyS0) on CM3 with Ubuntu 20.04

I am trying to enable the onboard uarts with a CM3 running Ubuntu 20.04 Server. I had no problem changing /boot/config.txt on an older raspian image, but on this one it doesn't work. I would like ...
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Enable i2c kernel support on ubuntu mate 18.04

I am having issues trying to enable i2c support for the raspberry pi 3B + with ubuntu mate 18.04. I need to do this in order to drive a few servos. The problem is the prompt doesn't show up to enable ...
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-1 votes
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How to configure wine and box64 emulator on pi 4b

I have a raspberry pi 4b 8gb running ubuntu 21.10 desktop that I use. I want ot expand the uses of my pi and I want to run some windows programs. I installed pi-apps, a program helps you install ...
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