Questions tagged [ubuntu]
Ubuntu is a Linux operating system derived from the Debian distribution.
506
questions
0
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0answers
44 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
31 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
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0answers
24 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
42 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'...
1
vote
1answer
42 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
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0answers
10 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
18 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
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0answers
35 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
58 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 ...
1
vote
1answer
45 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
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0answers
21 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
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0answers
80 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 \
--...
1
vote
0answers
40 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 ...
1
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0answers
20 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 ...
1
vote
0answers
17 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 ...
1
vote
1answer
93 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
46 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
75 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
107 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
35 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
24 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&...
0
votes
2answers
252 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 ...
1
vote
0answers
116 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
28 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
...
0
votes
0answers
17 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 ...
1
vote
0answers
31 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
47 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
125 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
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0answers
31 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
36 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....
0
votes
0answers
34 views
Raspberry pi 4 gives vertical color lines on bootup
I am using a Raspberry pi 4 model B 4GB with ubuntu 20.04 installed on a 32GB memory card and when I booted, I got a display with vertical color lines. I tried using multiples displays and all results ...
0
votes
0answers
42 views
uart2-5 Raspberry Pi 4
I am using an Raspberry Pi 4
os-ubutun-mate 20.04(focal)
I am trying to to enable uart2 and uart3 on my Raspberry Pi 4. However, I'm not sure how to do this?
I've read several articles and posts ...
0
votes
0answers
24 views
Mount SMB share while being able to change owners
It's pretty hard for me to explain what I'm actually looking for. So I'll describe what I'm trying to achieve:
I'm running Ubuntu 64 bit, docker with Traefik 1.7 and Portainer on my RPI 4
Now I'm ...
0
votes
2answers
39 views
User getting removed from group after reboot
I am running Ubuntu Server 20.04.02 LTS in my RPi 4b. I ran into the problem that I couldn't access the GPIO without sudo/root with my python scripts so I changed the /dev/gpiomem group ownership to ...
1
vote
0answers
57 views
Picamera on Ubuntu 18.04 64-bit
Is there any way to get picamera to work on Ubuntu 18.04 64-bit. I have tried:
Compiling a non-official version of userland for 64-bit and it compiled, but the camera does not work
I have tried using ...
0
votes
0answers
91 views
Playing Netflix on Ubuntu 20.10 Raspberry Pi4 8GB
Is there an easy way to get Netflix working on Raspberry 4 running Ubuntu 20.10 64bit?
I have tried numerous ways including:
https://github.com/monkaBlyat/docker-chromium-armhf
But it fails on step: &...
1
vote
0answers
35 views
Rpi Camera in ubuntu server 20.04 raspistill working, but python picamera and c++ raspicam not
I have been able to get the rpi camera v2 working on ubuntu server 20.04 (64bit) by using raspistill. However I am having trouble getting it to work with the python package picamera and the c++ ...
0
votes
0answers
21 views
SSH running, can connect but no authentication working
I just installed Ubuntu server 20.04.02 onto a new SD card, the rpi unit (rpi3) has ethernet.
I can connect from my ubuntu laptop, but all authentication is failing (as show with sudo systemctl status ...
0
votes
0answers
18 views
Not able to mount D-Link DMW-156 on ubuntu system
D-Link DMW-156 is a 3g USB dongle, when I plugin to the usb it shows green light for few seconds and then red light.Have tried the following commands on the terminal.
sudo mount /dev/sr1/mnt
mount: /...
0
votes
0answers
15 views
RPi.GPIO on ubuntu 14.04 running ros. Python 3.6.3
I'm trying to controll the GPIO pins while running ROS on ubuntu 14.04.
First i got the error that went something like "can only run on a raspberry pi!"
So I upgraded my python to 3.6.3, now ...
1
vote
0answers
13 views
Camera in raspberry pi shows no input on screen
I am new to using raspberry pi I have rsp 4 model b, I need it for a college project I am doing, I bought a camera module for it.
and it doesn't show output on screen using "cheese"
I am ...
0
votes
1answer
25 views
Do I install Ubuntu Mate via a USB or do I make the SD card HD a bootable image? [closed]
I have a RP 4. 8gb. My SD card got erased. So I reinstalled the original boot using Raspberry Pi Imager. Now I want to use Ubuntu Mate as my OS. Do I leave the SD card in the RP4 and then have a ...
2
votes
1answer
195 views
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
Raspberry Pi 4 8GB
Ubuntu 20.04.2 LTS
Before this happened, I was able to run a bunch of Docker containers without an issue. However, my Pi suddenly stopped working (wasn't able to SSH into it, wasn'...
0
votes
0answers
26 views
Display colour (ICC) profile on Raspberry Pi 400 running Ubuntu 20.10
I have a display, which really requires applying proper correction in order to deliver good, readable output. It's never been a problem on x86/amd64 Ubuntu. Now I have it connected to a Pi 400 running ...
2
votes
1answer
62 views
Wrong password creating on first boot (cloud-init) (Ubuntu 20.04 server, RPI 4)
I try create preinstalled user for Ubuntu 20.04. For this i add some entries in accordance with official docs, to /etc/cloud/cloud.cfg (config for cloud-init )
Old:
users:
- default
My:
users:
...
0
votes
1answer
155 views
How can I enter Ubuntu desktop recovery mode?
I removed gdm and install lightdm, after that I am stuck at infinite loading.
Pressed Ctrl + Alt + F2, unable to use TTY...
And I cannot enter recovery mode by press shift...
What can I do for it?
0
votes
1answer
31 views
Ubuntu server is not booting using the custom image option
I want to install ubuntu server on my Raspberry Pi 4.
I used the Raspberry Pi imager with the image Other general purpose OS > Ubuntu > Ubuntu Server 20.04.2 LTS.
But it turns out that this ...
0
votes
1answer
52 views
Is ubuntu 20.04 compatible with raspberry pi 400?
I use a usb 3.0 for mass storage (with boot). But my OS (ubuntu 20.04) is very slow. What can I do to make it faster ? (I'm on raspberry pi 400)
1
vote
1answer
84 views
Install Ubuntu 20.04 on Pi 4B
I have a Pi 4B (4GB) on which I want to install Ubuntu 20.04.2 Desktop.
The Raspberry Pi Imager gives me the opportunity to only install Ubuntu 20.10 Desktop or 20.04 Server.
Older versions of the ...
