Questions tagged [ubuntu]

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

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2answers
9k views

How can we run amd64 architecture on a raspberry pi 4?

We are trying to install jevois-inventor onto the ubuntu18.04 but we flashed the ubuntu18.04 onto a raspberry pi 4 which is an arm64 architecture(we think). We tried to install amd64 packages ...
1
vote
1answer
274 views

Adding A Desktop Environment To Raspbian/Raspberry Pi OS Lite

I am planning to make a mini NAS cum Pi Hole and Desktop Computer (For Emulation and Surfing) on my Raspberry Pi 4. I plan to install a desktop environment over Raspberry Pi OS, probably something ...
2
votes
0answers
199 views

Streaming video from OpenCV with GStreamer over UDP to PC

I'm trying to stream a video that has been processed by OpenCV using GStreamer over UDP from a RPi4 (Ubuntu 20.04 LTS 64bit without any GUI) to a PC (Ubuntu 18.04). I'm sharing Wifi connection to the ...
0
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0answers
39 views

Ubuntu MATE fails with GDM3

I wanted to try GDE so I changed the display manager to gdm3. I rebooted to update the changes and now when it boots it is stuck. It sometimes is stuck at wait until snapd is fully seeded or gdm....
0
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0answers
62 views

Ubuntu on Pi 4 — How to enable lan over usb-c?

I want to activate lan over USB-C on my Raspberry Pi running Ubuntu 20.10 Is it possible? I have seen guides for raspbian but (https://www.hardill.me.uk/wordpress/2019/11/02/pi4-usb-c-gadget/) but ...
0
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0answers
46 views

Installing FireFox 80

I installed Firefox 83 and it crashes all the time whenever I try to sync my Firefox profile. This results in the software not being able to run correctly because it always quits before it can do ...
1
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1answer
4k views

MS SQL 2019 on RPi4 Ubuntu 18.04

I am trying to install SQL Server 2019 on a Raspberry Pi 4 running Ubuntu 18.04. I am trying to follow the installation guide from Microsoft: https://docs.microsoft.com/en-us/sql/linux/quickstart-...
1
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0answers
26 views

Bluetooth retransmission

I'm doing a project of automation, and I would like to implement a bluetooth "retransmitter" for sound. I'm currently using Raspberry PI 4 (4gb ram) with ubuntu desktop client 20.10 This is ...
0
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0answers
54 views

Deconfigured locales for libc6 - help!

So, I was trying to install firefox 81 on Ubuntu MATE 20.04. When I was trying to, it was saying libc6 needed 2.32 but I had 2.31 installed. So I decided to look up where 2.32 was an attempt to ...
2
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1answer
325 views

Sense Hat with Ubuntu

I was wondering if it is possible to use the sense hat on ubuntu. I recently bought a pi 8gb and found out that raspian is only 32 bit thus would not allow me to use all 8gb of ram so I switched to a ...
0
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1answer
55 views

Expanding boot partition for Ubuntu MATE [closed]

How do I expand the /boot_ub (Ubuntu MATE) partition? I want to upgrade to 20.04 to get some support for MATE but I can't upgrade because the partition is almost full. I tried to remove old kernel ...
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0answers
217 views

Ubuntu Server 20.04.1 32bit vs 64bit on RPi3 Model B

I want to use my RPi3 Model B as web server (classic LAMP stack + python, maybe other things too) where I will host my own web-based projects. I'm now deciding which OS to run; I have tried following ...
0
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0answers
89 views

Playing from audio from udp using ffplay returning error [Could not initialize SDL - No available video device]

Ive been attempting to play audio from a udp connection using ffplay (pi4 ubuntu) and have been receving Could not initialize SDL - No available video device (Did you set the DISPLAY variable?) as an ...
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0answers
1k views

How to make camera work with pi 4b 64 bit ubuntu 20.10 [closed]

After add start_x=1 in the config.txt #start_x Enable the camera module. start_x=1 #disable_camera_led Turn off the red camera LED when recording video or #taking a still picture disable_camera_led=1 #...
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0answers
63 views

Raspberry Pi 4 with Ubuntu freezes when dragging file to another directory

I have some files I downloaded onto my desktop but when I try to drag them to another directory in the file manager, the pi freezes and I have to unplug and reboot it. This has happened 3 times ...
1
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0answers
191 views

Tensorflow on Raspberry Pi with Ubuntu 20.04

I've installed Ubuntu 20.04 on a Raspberry Pi. Both my Ubuntu and Python3 installations are 64-bit. I'm now trying to install Tensorflow so that I can run (not train) a model. I've tried various blog-...
0
votes
1answer
49 views

“last reboot” command not returning correct date

When I run "last reboot" on my pi (running ubuntu) it returns "Fri Jul 31 17:11" which is not at all the date, however, "date" returns the correct date it is currently &...
0
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0answers
60 views

Remote control software with resolution auto-resize

I would like to install a remote control software on Raspberry PI 4 Model B. I want to control the Raspberry Pi remotely. I'm planning to install Ubuntu 20.04. I would like the solution to be like ...
0
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0answers
198 views

Installing Vuze on Raspberry Pi 4 (8 GB)

I've trying to install Vuze on Raspberry Pi 4 8GB with Ubuntu Mate 20.10 OS and it just doesn't work, i'm getting errors about that it has some libraries missing and that it cannot read .so file. Does ...
0
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0answers
23 views

Problem booting Ubuntu Core

I used the Raspberry Pi Foundation's Imager for the Raspberry Pi on MacOS. I successfully flashed ubuntu core 20.04.1 and put the card into the pi. At first, it showed the ubuntu logo with 'Core' for ...
0
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2answers
52 views

Ubuntu MATE thinks it knows my IP address but is wrong

I am trying to boot my Raspberry Pi from an image (I created) burned to an SD card. I set up the image on another Raspberry(we will call it 4GB). etc/NetworkManager has the password of the WiFi stored....
1
vote
2answers
201 views

My raspberry pi wont boot after flashing an sd card it with ubuntu server

I have a raspbeery pi 4 2gb I flashed my 128gb sandisk sd with etcher on linux with ubuntu server 18 and 20 images both dont work even though it writes to the sd and says it was successful on etcher ...
0
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0answers
26 views

my raspberry pi wont boot [duplicate]

I have a raspberry pi 4 I flashed an sd card with ubuntu server 18.0.4 arm image but it wont boot. there is no image on my tv. I have tried both raspberry imager and etcher and both write to sd card. ...
0
votes
1answer
93 views

Installing Ubuntu MATE

So, before I install Ubuntu MATE, I have files on my microSD card from my other Pi (that broke) and I am wondering if I can boot another Pi (a school-owned one) to transfer the files. Can I boot the ...
0
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0answers
38 views

Raspberry Pi based always-online harddisk from which I can stream a “remote” android app to my smartphone

I use a popular app called readera to read and manage ebooks on my android smartphone. I want to have all the ebooks on a 2TB portable harddisk that remains connected to a raspberry Pi at all times. ...
0
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0answers
97 views

Raspberry pi 4 not being able to output to 4k

Hey so I recently got back into doing some projects with my raspberry pi, I mostly just do stuff with networking and the such, but I wanted to try to get the raspberry pi to display to 4k TV, I'm ...
3
votes
0answers
477 views

How to netboot Ubuntu 20.04.1 Pi4 to Pi4 with dnsmasq…?

I've been trying to netboot my Pi4's using a Pi4 with dnsmasq on Ubuntu. So the idea is to have one Pi with attached storage serving the others. My setup is: master PI with an USB SSD running Ubuntu ...
2
votes
3answers
18k views

How to PXE Boot a Pi 3?

I am setting up a demo lab where I build a baby Openstack data center using MaaS and Juju with LXD hypervisors running ZFS. Here is my setup: Macbook Pro i7, 16GB RAM VMWare Fusion VM(s) running ...
1
vote
2answers
817 views

wiringPi.h not found by gcc. Works in Raspian, not Ubuntu Mate

This is my first time posting on stack exchange so I apologize if this is too much or not enough info on the problem. A few months ago I installed Ubuntu Mate 18.04 on a Raspberry Pi 3B+ and tried to ...
1
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0answers
487 views

how do i get zoom on a raspberry pi 4?

I am looking to install zoom web conferencing on my raspberry pi 4 4gb running Ubuntu mate 20.04. I have tried the pi kiss method but pi kiss wont load. How do i do this?
0
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0answers
69 views

The GUI is not loading after installing xubuntu-desktop package for Ubuntu

I have a Raspberry Pi 3 Model B and I have followed the instructions outlined here: https://ubuntu.com/tutorials/how-to-install-ubuntu-on-your-raspberry-pi#1-overview. Everything works fine until I ...
0
votes
2answers
1k views

Bad serial connection on USB OTG Serial on pi Zero

I am running Ubuntu 18.04 with Jakeday's surface linux kernel on a Surface Book 2. I had a serial connection working yesterday. I had this problem on another pi zero. I researched the "failed to set ...
0
votes
1answer
188 views

NetworkManager on Ubuntu Mate keeps asking the password

We recently changed the router and set up the devices and everything worked fine. Except there is my raspberry pi 3 which cannot connect to the new router. It doesn’t show any errors but it simply ...
-1
votes
1answer
739 views

Can I modify an RPi2 image to boot on an RPi3 B+?

I have a Raspberry Pi 3 B+, and none of the operating systems that usually work on the RPi 3 will boot. I've done a small bit of research, and I think this has something to do with an outdated ...
1
vote
2answers
1k views

How to install PyCharm on Ubuntu Mate (Raspberry Pi3)?

I'm trying to install PyCharm on my Raspberry Pi running Ubuntu Mate. But I don't understand the error message I get. First I followed this tutorial : https://linuxize.com/post/how-to-install-pycharm-...
0
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0answers
15 views

Ubuntu Mate 18.04 on Raspberry Pi 3 how to Synchronize Time Automatically every time i reboot

I had tried to set ntp and i think that is noused,because Timeout out of sync Is there any way to synchronize time?
0
votes
1answer
258 views

Error! Cannot create crash report” and “Bad return status for module build on kernel: 5.4.0-1015-raspi (aarch64)” when I run apt-get

When I type a command like sudo apt-get install vlc it says this Loading new sysdig-0.26.4 DKMS files... Building for 5.4.0-1015-raspi Building initial module for 5.4.0-1015-raspi ERROR: Cannot create ...
0
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0answers
61 views

More SSH Permission denied blues

I have recently purchased the raspberry-pi Zero W and i must say it is nice little device accept for my little ssh issue every time i try to ssh all i get: pi@raspberrypi's password: Permission ...
1
vote
3answers
2k views

Unable to boot Raspbian or Ubuntu Server 20.04 from a USB SSD using a Raspberry Pi 4 4GB

I know of two methods to do this which I've tried: Use RPi Imager to install Ubuntu on both the SD card and SSD as per this post and this post Install BerryBoot and use that to install and boot ...
3
votes
2answers
2k views

How to setup a GUI on Raspberry PI 4 running Ubuntu Server?

I am using Raspberry Pi 4 for experiments with Docker. The problem is, sometimes I need to copy-paste information from the internet, but my server has no UI. I tried the ubuntu-desktop package which ...
2
votes
1answer
1k views

ubuntu 20.04 on raspberry pi 4b: cannot upgrade bootloader

On my (fully updated) Ubuntu 20.04 RPI 4B, I tried to use rpi-eeprom package from https://github.com/raspberrypi/rpi-eeprom/archive/master.zip to update the 2020-04-16 bootloader # vcgencmd ...
3
votes
0answers
1k views

spi-bcm2835 fe204000.spi: could not get clk: -517

I'm using Ubuntu Server 20.04 on a Raspberry Pi 4 8GB and shut it down normally yesterday it just says this error on screen when starting the kernel spi-bcm2835 fe204000.spi: could not get clk: -517. ...
0
votes
1answer
4k views

RPi4 Serial port not working on either Raspberry OS or Ubuntu

I've been struggling to get my RPi4 serial working over pins 8,10. I have both a Raspberry OS image and an Ubuntu 18.04 image for the RPi4. In either case, when I use RASPI-CONFIG to disable console ...
0
votes
1answer
26 views

Trying to set wifi ap name and password, via an ssh session

This Pi has Ubuntu Mate on it. Everything I find says that raspi-config will have a setting in it for the wifi info but my version of raspi-config has a different menu and doesn't seem to have the ...
4
votes
5answers
23k views

raspi-config on Ubuntu 16.04

i wanted to enable SPI on my raspberry pi 3 but in ubuntu mate it says the command "raspi-config" is not found, what is the alternative to this?
0
votes
0answers
203 views

Disable HDMI port on Ubuntu 18.04

I'm running Ubuntu 18.04 on an RPI 3 B+, and I would like to disable HDMI to conserve power. tvservice seems to be missing, is there any way to do this if I'm not running raspbian?
0
votes
0answers
443 views

How to configure netplan access point to only allow WPA2 AES on Ubuntu server 20.04?

I am trying to configure a raspberry pi in my cluster as a kind of gateway. I followed the answer in this question... Ubuntu Server 18 Wifi Hotspot setup ...to get my access point up and running. ...
0
votes
0answers
15 views

Audio output is changing after I exit the ssh session

My RPi2 has both HDMI and jack output audios. I would like to use always only the jack output. If I connect via SSH to the pi and select the output in alsamixer (using F6), I can activate the audio ...
0
votes
0answers
95 views

screen and serial UART connection gibberish

I'm connecting my iMac (10.14.16) to my RPi 3b+ (Ubuntu 18.04.5 LTS ubuntu ttyS0, uname -a = Linux ubuntu 4.15.0-1067-raspi2 #71-Ubuntu SMP PREEMPT Fri Jul 10 01:36:10 UTC 2020 aarch64 aarch64 aarch64 ...
2
votes
1answer
1k views

GPIO inputs don't work on Raspberry 4 running Ubuntu

I have several RasPIs set up with Ubuntu Server 18.04 64Bit. One freshly setup up RasPIs 3B+ and two 4Bs. On all I can run the following minimum script without any error messages: #!/usr/bin/env ...

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