Questions tagged [ubuntu]
Ubuntu is a Linux operating system derived from the Debian distribution.
522
questions
0
votes
1answer
15 views
How do I install an older version of ubuntu on raspberry pi 4?
I need to install an older version of Ubuntu (20.04) desktop version for compatibility reasons. The Raspberry Pi imager v1.6.2 on windows only shows Ubuntu desktop 21.10 as available.
I tried to ...
3
votes
1answer
299 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 ...
0
votes
1answer
53 views
Ubuntu: upgraded kernel is not selected in the next boot
My Raspberry Pi 4 was originally loaded with Ubuntu 21.04, but after yesterday's release of 21.10, I upgraded using the do-release-upgrade command.
Among the other upgraded packages, there was a new ...
0
votes
1answer
27 views
Ubuntu Desktop fails to boot on Raspberry Pi 400 with 32GB SD card
I have used Pi Imager to write Ubuntu Desktop to my SD card. When I try to boot from it in my Pi 400, I get the following error:
[50B]: Failed to remount '/' read-only: Device or resource busy
systemd-...
-2
votes
0answers
21 views
Raspberry Pi as Wifi-hotspot stuck at Obtaining IP address... when attempting to connecting from other devices
I'm trying to set up the Rpi4 to act as a hotspot for other devices in its own network, it doesn't need internet connection at the moment. I managed to get the Wifi hotspot SSID to show up when I scan ...
0
votes
1answer
26 views
Can I use Ubuntu 8.10 on a Raspberry Pi?
I am working on a project that requires:
An open WiFi network
On that network, a device that has a known exploit.
My plan is to use a Raspberry Pi to create that open WiFi network, then use another ...
0
votes
1answer
23 views
RPi Connects To iPhone hotspot, but Termius cannot ssh into RPi (Ubuntu 20.04 64-bit Server)
I would like to be able to ssh into my RPi3B+ based robot (running Ubuntu 20.04 64-bit Server) when away from my home WiFi.
I have configured the bot to recognize either my home network or my iPhone ...
0
votes
1answer
32 views
PoE+ HAT fan not working correctly on Ubuntu 21.04
So I bought a new Raspberry Pi 4 (4GB) and the official PoE+ HAT.
It is running the 64-bit version of Ubuntu 21.04 Server, completely updated.
Controlling the PoE+ HAT-fan should/could be done through ...
0
votes
0answers
24 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'] = ...
0
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0answers
16 views
Ubuntu Mouse and Keyboard not working via screen sharing
I installed Ubuntu Desktop (https://ubuntu.com/download/raspberry-pi) on my raspberry pi 4.
I plugged in a mouse and keyboard for the installation and the setup of screen sharing.
I use VNC viewer to ...
1
vote
1answer
45 views
unable to gps data serially in raspi 4
I am trying to get ublox zed f9p module work with raspi 4. I am using this module
I am running on ubuntu 20.04 desktop version on raspi 4 and i have connected the module serially(/dev/ttyS0) to my ...
-1
votes
1answer
32 views
How to copy files onto a raspberry pi os using only the microSD it is on - no networking, bluetooth or usb?
I would like to copy a file to a raspberry pi using a Macbook.
I have installed ubuntu on the 64GB microsd and booted it up no problem.
I have turned off bluetooth and wifi/networking on the raspberry ...
0
votes
1answer
49 views
Why can't my Raspberry Pi find any WiFi networks?
There is a similar question to my question, but the answers were more specific to that situation.
I am running Ubuntu 21.04 on a Raspberry Pi 4b. I do not see any WiFi networks in the GUI WiFi pane, ...
0
votes
0answers
100 views
Getting pi-fancontrol to work when running Ubuntu
I've got a fan connected to GPIO 14, but am having trouble getting pi-fancontrol to work on my Ubuntu 21.04 install on an RPi4. The official docs say to run
snap connect pi-fancontrol:gpio pi:bcm-...
1
vote
1answer
25 views
ssh session always freezes when running npm or unzipping large numbers of files
I have an RPi4 (4GB) that I use as a local development server running ubuntu 20.04. I connect to it using SSH and use git to download source code from my projects and run npm install to install the ...
0
votes
1answer
48 views
Need to see the console boot messages, not the splash screen
I am running Ubuntu 21.04 on RPi 4.
On boot up, I would like to see the console boot messages in real time (and not the splash screen).
On Intel PCs, that's easily done by editing the grub2 config ...
0
votes
1answer
75 views
How can I display Ubuntu Server 21.04 on a Waveshare 3.5" LCD display?
I installed Ubuntu Server on my Raspberry Pi 4. I have a 3.5" Waveshare display for it.
Waveshare provides instructions to clone a GitHub repository and then run a script called "./LCD35-...
0
votes
0answers
34 views
Why isn't Ubuntu server displaying to HDMI on Raspberry Pi 4?
I flashed Ubuntu 21 Server to an SD Card with the Mac Raspberry Pi flashing application and it appeared to be successful. I inserted the SD card into the Pi and connected it to a power source. I am ...
1
vote
0answers
68 views
Temporary failure resolving 'ports.ubuntu.com' on Ubuntu 20.04
I have spent a lot of time looking for a solution to my problem. Everything I've tried hasn't worked so far.
From what I understand, this is an internet connection problem or a DNS issue. I followed ...
0
votes
0answers
336 views
How to Resolve Port 53 Conflict Between, systemd.resolved and pihole-dnscrypt docker
Problem: port 53 conflict between systemd.resolved and pihole in the pihole-dnscrypt docker
Setup: pi 4, ubuntu 20.04.2 (clean install)
Guides for install:
(1) https://github.com/losuler/pihole-...
0
votes
1answer
40 views
Is there a substitute for ejecting a SD card on ubuntu
I am having issues ejecting an SD card from an ubuntu Rpi in my bash script. When I run the command to eject, the following error is displayed
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
...
0
votes
0answers
31 views
How Install Ubuntu 21.04 (Desktop) on Raspberry Pi 4 using Serial Console? [duplicate]
Hello how can I install ubuntu desktop 21.04 on raspberry pi 4 using serial console? I want to use the Raspberry Pi 4 UART pins to communicate using TTL to USB convert device to my windows 10 OS using ...
-2
votes
2answers
65 views
Can we install AMD64 programs via Ubuntu on Raspberry Pi 4?
I was planning to download some programs from snapcraft.io and to invest in a Raspberry Pi 4 8GB, and install Ubuntu on there, so I can run it. I was wondering if this was possible by any chance? Wasn'...
0
votes
1answer
54 views
File Recovery from thumb drive - Bad Superblock
So I have a 64GB SanDisk Cruzer Glide, and recently something happened to it. Whenever I would try to fsck it said the magic number for the superblock was corrupted, I didn't know what that meant, so ...
0
votes
0answers
27 views
iQaudio DAC-pro hat not recognized by ubuntu 20.04 on rPi4b
I've added a iQaudio DAC-pro to my raspberry pi 4b running ubuntu 20.04. I cannot find the dac in amixer
$ sudo amixer
Simple mixer control 'Headphone',0
Capabilities: pvolume pvolume-joined ...
1
vote
0answers
21 views
Access remote `/dev/input/` on local machine
My robot needs to read input commands from a USB joystick which is physically connected to a remote desktop (Ubuntu). On desktop, the joystick is available for local user with permissions:
crw-rw-r--+ ...
0
votes
0answers
39 views
Will this work for the Pi 400?
I'm planning to buy one of these USB-A to 3.5mm Audio jack for the Pi 400 since it has no audio jack...
https://www.amazon.com/gp/product/B089NJPSXN
I don't have the option to use HDMI audio output (...
0
votes
1answer
139 views
How to get Podman 3.1.2 running on Ubuntu 20.04?
Fresh installation with Raspberry Pi Imager of Ubuntu Server 20.04.2 LTS (RPi 3/4/400) on a Raspberry Pi following standard tutorials:
cat /etc/os-release
export VERSION_ID=20.04
sudo sh -c "echo ...
0
votes
1answer
245 views
How to get raspi-config on Ubuntu 21.04? - Failed to update superblock on microSD on Ubuntu. Needed to setup USB boot
I wanted to do a USB boot from a PI 4. (My microSD card would not boot. Superblock not writable ... see below). I am currently running Ubuntu 21.04 on a Raspberry PI 4 with 8GB of RAM and using zram ...
0
votes
0answers
33 views
ssh "connection timed out" after rebooting
I got an Raspberry Pi 4 4GB running Ubuntu 21.04 Desktop. I want to connect via ssh to my Raspberry Pi Zero (without Wireless) running Raspbian lite. For the ssh setup i followed the instructions ...
0
votes
1answer
405 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
0answers
47 views
RPi wlan0 eth0 bridge, how to debug DHCP issues?
I followed this tutorial to set my RPi 4B up. In my basement, I have my RPi connected via cable and want to bridge a new WiFi AP (as in the last part of that post above).
The first time, everything ...
0
votes
0answers
38 views
Error processing package code while installing Visual Studio Code in Ubuntu 21.04 on Raspberry Pi 4 model B
Help. Any suggestions? I'm trying to install Visual Studio Code but I keep on getting some errors in the process. Using the terminal in Ubuntu 21.04 on a Raspberry Pi 4 model B, 8GB RAM.
It looks like ...
0
votes
0answers
24 views
Using the Google AIY kit with Ubuntu 18 (ARM)
I installed Ubuntu 18 (ARM) on a Raspberry Pi 3B so that I could use ROS melodic to control an iRobot Create2. Everything has been going splendidly until I noticed the Google AIY Voice kit I had ...
0
votes
1answer
108 views
Firefox 89 on Pi - visual codec artifacts
Firefox 89 on my Pi 4 is displaying bad codec symptoms, videos can be watched but the picture is corrupted by brightly coloured patches around areas of detail.
On the Pi I am running Ubuntu 21.04 and ...
0
votes
1answer
52 views
I broke my network on my raspberry pi
As I was experimenting with various things I deleted the file /etc/netplan/50-cloud-init.yaml. Now I can't get any network (ethernet or wifi) to connect. So I can't ssh to fix things. I am on Ubuntu ...
0
votes
1answer
14 views
What happens with .local when there are two paths to the host?
My hostname is mr2
When I am connected via ethernet I can access it with mr2.local and when over wifi, also. But what happens when I am connected both ways, or if I disconnect wifi and reconnect ...
0
votes
0answers
200 views
Audio alternatives for Raspberry Pi 400
So as you all know, the Raspberry Pi 400 does NOT have an audio jack, which is pretty annoying especially when I need to get audio output from it.
Can I connect to a Raspberry Pi 3B via Bluetooth from ...
0
votes
2answers
444 views
GPU Memory for No gui Ubuntu
Context:
I am currently running a RPi 4 8GB with Ubuntu 20.04 LTS on an M.2 240GB SSD. This system has no gui. I use it for GitLab and CICD purposes. On a x86_64, I know we can get a way with 0M for ...
0
votes
1answer
73 views
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-...
0
votes
0answers
28 views
Remoting into Raspberry Pi 4 using VNC viewer without permission
I have a Raspberry Pi 4 running Ubuntu 20.04 and every time I try to remote in, it prompts this message:
Another user is trying to view your desktop. A user on the computer "192.bla.blah.blah&...
1
vote
2answers
683 views
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 ...
0
votes
0answers
255 views
Raspberry Pi 4B - UBUNTU 21.04 - DSI + HDMI
SPECS:
Raspberry Pi 4 Model B, Ubuntu hirsute hippo (21.04) 64 bit, 4.3 inch Capacitive Touch Display for Raspberry Pi, DSI Interface, 800×480
Initially I used HDMI to do setup with raspberry pi 4 ...
1
vote
1answer
37 views
GPIOZERO how to install lastest version on Ubuntu 20.10 servver
I am running gpiozero on my Raspberry Pi4 Ubuntu 20.10.
I need to update gpiozero (1.2) to latest version (1.6.1) to use the RotaryEncoder class which is not present in the package I have installed
...
1
vote
1answer
25 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
0answers
35 views
Mount USB then NFS
I'm creating a kubernetes cluster with 1 desktop pc and 3 raspberry pi4.
The desktop PC is set as master node and NFS server.
Each RPi4 has two USB keys:
Ubuntu 21.04 Server on 32GB key
Storage on ...
0
votes
0answers
105 views
Ubuntu 20.04 Raspberry Pi 4b PXE boot fails after run /init
I have been trying to PXE boot Ubuntu 20.04 server lts for the rpi4 since about a week now, and I am basically stuck at the point where /init is executed and the boot process basically stalls. I can't ...
0
votes
2answers
311 views
Fan won't turn off on shutdown
I am trying to make sure my fan turns off when I power off my raspberry pi (without having to unplug it). My fan is connected to the 3.3V pin. I didn't connect it to the 5V pin because I deemed the 3....
0
votes
0answers
58 views
How to extract aarch64 vmlinuz gzip image?
I am trying to PXE boot Ubuntu 20.04 aarch64 on the pi 4b but I am stuck at the point where I need to extract the kernel image vmlinuz-5.4.0-1028-raspi. I tried to zcat and pipe it out but I ended up ...
-1
votes
1answer
75 views
Raspberrypi4B: Unable to establish a BLE connection between RPi4B and Ubuntu Laptop
I am unable to establish an ble connection between my Raspberrypi4B and Laptop. Configuration is as below:
Laptop: Ubuntu-20.04.2 LTS, bluez version: 5.53
Raspberrypi4B: Ubuntu-21.04 bluez version: 5....
