Questions tagged [ubuntu]

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

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Between Ubuntu 18.04, OSX 11.4 and Windows 7+, which is the easiest/able to run on a Raspberry Pi 4B?

I'm currently looking for a low-cost personal computer that can run some software, and currently I've found the Raspberry Pi to be the best option. System requirements are either a Windows 7+, OSX 11....
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1answer
19 views

ubuntu server can’t connect to wifi

I flashed my raspberry pi with ARM server ubuntu but I can’t get my pi to connect to the wifi. I was following this tutorial, which instructs me to use ifconfig, but my pi is telling me that it doesn’...
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0answers
34 views

Raspberry Pi 4 with Ubuntu 19.10.1

My Pi wouldn't boot so I started deleting files to try to get back to a new install. Now, I can't boot because of missing files (e.g., /sys/init). Is there a way to modify the micro sd card so that I ...
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1answer
90 views

What is the oldest Ubuntu version available for the rPi4?

The Big Blue Button (BBB) application requires 4GB of RAM & is supported on 16.04: BBB will be supported on 18.04 in the near future. I would like to test BBB on the rpi4. Is there any instances ...
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23 views

Obstacles to installing Bionic Beaver on rPi4?

19.10 succesfully installs, however, this is not the case with 16.04. I would expect that Bionic beaver will not install because like, 16.04 the rPi was released after Bionic beaver. What exactly ...
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65 views
+50

Ubuntu server on RPI 4 boot hangs on cloud init

I've installed the image ubuntu-19.10.1-preinstalled-server-arm64+raspi3.img.xz on an sd card and am trying to boot ubuntu server for the first time on my raspberry pi 4. I get to this stage in the ...
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0answers
34 views

Adding system calls on raspberry and ubuntu [closed]

I was wondering on how to add your own system calls on to the raspberry PI. And based on this website that I have looked upon to, http://blogsmayan.blogspot.com/p/adding-simple-system-call.html , I ...
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2answers
148 views

How to configure Ubuntu 19.10 Raspberry Pi 4 wifi to automatically connect?

How do I configure wifi to automatically without rebooting? For example, like phone, when my phone detect wifi that has connected, it connect the wifi network automatically without reboot and any ...
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0answers
26 views

Ubuntu 16.04 Raspberry Pi 3B+ Install Failure

ubuntu-16.04-preinstalled-server-armhf+raspi3.img.xz was flashed for a Raspberry Pi 3 B+. Bootup halts at the rainbow screen: When the SD card is flashed with Raspbian the system works correctly (...
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0answers
45 views

Lubuntu-desktop on Raspberry Pi 4 (4gb) 19.10 ARM64

When I flash the arm64 image onto one of my Raspberry Pi 4B (4gb ram) from here (64bit version: https://ubuntu.com/download/raspberry-pi) and then do an install via apt of lubuntu-desktop, it gives me ...
2
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1answer
62 views

Ubuntu ArmHF vs arm64

https://wiki.ubuntu.com/ARM/RaspberryPi#arm64 The website raspberry pi images: ArmHF arm64 What is the difference between the two? Are both 64 bit operating systems?
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1answer
26 views

Experience with LinuxGSM

I'm looking to buy a Raspberry Pi 4B (4GB) do run a Ubuntu 19.10 server from. I read that the x64 version is supported so I was wondering if the following is still an issue. Will LinuxGSM run on ...
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0answers
32 views

Server 19.10 on Raspberry Pi 4 defaults to root?

I've successfully installed Server 19.10, then got a desktop (Lubuntu) going on a single Raspberry Pi 4 (4gb). I went with the 32-bit version, having heard the 64-bit is not very stable. (Please ...
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0answers
27 views

How to enable user/ipc/network namespace sandboxing on for Firefox 71 on Ubuntu 19.10 arm64?

System: Raspberry Pi 4B, 4GB Linux 64bit, uname -a: ubuntu 5.3.0-1014-raspi2 #16-Ubuntu SMP Tue Nov 26 11:18:23 UTC 2019 aarch64 aarch64 aarch64 GNU/Linux. Firefox 71.0 64bit "Mozilla/5.0 (X11; ...
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0answers
43 views

Problem with Raspberry Pi 3 model B Ubuntu-Mate Error “Temporary Failure resolving ”ports.ubuntu.com"

I have a Raspberry Pi 3 Model B. I have downloaded and installed ubuntu-mate-18.04.2-beta1-desktop-armhf+raspi-ext4.img. When I try to sudo apt-get update I get the error Temporary Failure resolving '...
1
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1answer
32 views

Connecting and displaying Raspberry Pi on Ubuntu based machine over ethernet cable

Hello dear Raspberry community. I was wondering if I could display Raspberry Pi 3 Model B on my Ubuntu laptop over an Ethernet cable? However, I can not do it with an ssh method, the reason being I ...
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1answer
36 views

Pi-hole and OpenVPN on Raspberry 3 B+ ¿Ubuntu server or raspbian?

I have not decided on any. Which do you think is better for this combination, and why? OpenVpn handles only one connection and pi-hole at most three.
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126 views

Wifi not connecting on Raspberry Pi 4 with Ubuntu Server 19.10

I installed Ubuntu Server 19.10 on a Raspberry Pi 4 with no ethernet connection available, and I was initially able to get it to connect to wifi with wpa_supplicant and dhclient. That allowed me to ...
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0answers
19 views

Ubuntu Mate 18.04 on Raspberry Pi 2 rainbow screen

I'm trying to install Ubuntu Mate 18.04 on a Raspberry Pi 2 Model B, I've downloaded the image from the official website for ARM architecture and, among the supported Raspberry, there is mine. I've ...
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0answers
86 views

Raspberry does not recognize bluetooth speaker as output

This seems to be a googleable question but it doesn't to me. I have a Raspberry Pi 4 Model B (RPI) installed Ubuntu 19.10 and a bluetooth speaker "Amazon Echo Plus First Generation" (I know it has ...
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0answers
26 views

Error while compiling programs - Ubuntu Mate

I do compile few programs with no error at Raspbian OS but Today I want to try same programs on Ubuntu Mate. I keep getting same error. Code is git clone -b r606 https://github.com/vthoang/cgminer....
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0answers
18 views

set PAN network on raspberrypi with ubuntu OS

First of all sorry for my English. I am trying to set a pan network in ubuntu OS on raspberry pi 4B+. I have used the below guide to set up the PAN. https://raspberrypi.stackexchange.com/a/71587 But,...
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0answers
84 views

Persistently increase usbfs_memory_mb on RPI4 running Ubuntu 19

I am working with a 4gb RaspberryPI4 and it's running a USB3 Flir Blackfly. Out of the box, the setting of usbcore.usbfs_memory_mb @ 16 isn't enough to get a stream from the camera. Increasing the ...
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0answers
77 views

Ubuntu server : SSH by default (setup without monitor)

I need to setup a Raspberry Pi 4 without a Monitor, I want to run a light version without GUI just to run some docker, I though Ubuntu Server was a good idea. I try to add a SSH file on the microSD ...
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0answers
24 views

How to install LCD driver on pi4 with Ubuntu19.10?

I try the LCD driver in github: git clone https://github.com/goodtft/LCD-show.git cd LCD-show/ sudo bash ./LCD35-show output: dpkg: 依赖问题阻止了卸载 xserver-xorg-input-evdev 的操作: xserver-xorg-input-evdev-...
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0answers
30 views

Rainbow screen issue with raspberry pi 3 model b+

I am using Raspberry pi 3 Model B+ and using Ubuntu Mate operating system not Raspbian Os I am also using raspberry pi 3 supportable original charger of 5.1V 2.5A. still i am facing the same rainbow ...
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1answer
99 views

How to install PIXEL on Ubuntu Server (64bit)

I got a Raspberry PI 4 running 64bit Ubuntu Server. Now I have a bash prompt want a desktop environment. Hopefully, the PIXEL desktop to minimize differences from stock Raspbian. A quick google ...
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1answer
49 views

When I make a clone of my SD, the resulting image has ethernet problems

First of all, I'm working with Ubuntu Server 18.04, on a Raspberry Pi 3b+. I'm running a server with Nodejs and MongoDB. Everything works perfect. The problem comes when I want to clone the SD into ...
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0answers
70 views

systemd-networkd DHCP ethernet configuration using wpa_supplicant for eap-tls

I am having trouble making a connection to internal corporate network on my Pi3. I currently have Ubuntu Server 19.10 installed and am using NetPlan to manage the systemd.networkd configuration. What ...
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1answer
150 views

Connecting ESP8266 wifi module with Raspberry Pi zero to use home wifi

I have been following 3 sources below where I could set up my Raspberry Pi zero with Wifi using ESP-01 (ESP8266) but am still struggling to get it working. Wifi configuration 1 Wifi configuration 2 ...
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0answers
21 views

Disabling auto-login after it was once enabled during build

I am running Ubuntu 16.04.6 LTS ( Mate, built with ubuntu-mate-16.04.2-desktop-armhf-raspberry-pi.img ) When I initially built this, I enabled the auto-login when going through all the initial ...
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0answers
18 views

CompoundPI unidentified server problem

I am trying to use CompoundPI (https://compoundpi.readthedocs.io/en/release-0.4/quickstart.html) with two RPIs and an ubuntu client. CompoundPI connects multiple RPIs, that each of them has a picamera,...
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0answers
113 views

Emulating Raspberry Pi with GUI on QEMU / Virtual box in Ubuntu with RAM > 256Mb

I am searching for documentation on emulating Raspberry Pi with GUI on QEMU in Ubuntu with RAM size about 1Gb. Most articles I found from google are either emulating 256Mb rpi with jessie or in the ...
2
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1answer
132 views

backup raspberry Pi OS

Hello i am running ubuntu mate on raspberry pi 3 and i would like to back up the img of the OS straight to an external usb. Do you have any suggestions ? Is this going to work ? sudo dd if=/dev/...
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0answers
20 views

Capture snapshots from network stream

I am using the "Recording to a network stream" recipe to (https://picamera.readthedocs.io/en/release-1.13/recipes1.html#recording-to-a-network-stream) stream video from raspberry pi. I have modified ...
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1answer
45 views

WiFi Connectivity Issue

I have a Raspberry Pi 3 (Model B). I want to use it as a terminal to operate a CNC machine as it has a Web Interface (Duet WiFi). I just need something with a browser and internet connection. I first ...
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2answers
57 views

How do you install software directly into a SD image?

So I'm using this SD Card image for my raspberry pi downloaded from Ubiquity Robotics. It has ROS preinstalled and runs Ubuntu OS. The problem is I'm missing a few dependencies missing and because of ...
0
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1answer
118 views

Can you switch from connecting the RPi from pifi access point to an actual router access point

So for a robotics project I have in mind I'm trying to create an access point on my rpi so that I can directly ssh into it without using wifi from another router. But the problem is that I'm not sure ...
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0answers
37 views

Raspberri Pi unreachable

I am totally new to the forum, linux and Rasperry Pi, which is not the best baseline, I know. I bought some Raspberry's (4B) and made two bootable SD cards. I don't like the interface of Raspbian, so ...
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0answers
24 views

How to change COM port setting on Raspberry Pi using Ubuntu Mate

I would like to ask how to change USB port and COM port setting on Raspberry Pi 3 B+ using ubuntu Mate 18.04? I want to connect my sensor to the raspberry pi, and need the com port number. Any ideas ...
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0answers
115 views

Linux host can't connect to Raspberry Pi Zero serial gadget console

I followed this guide and enabled a serial console over USB. I can connect and log in from Windows but my Ubuntu laptop can't access the serial console. The Raspberry shows up ad a tty device in /dev/...
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0answers
32 views

Compile Qt application on Raspberry Pi and Run that application on other ARM device. Will it work?

I am compiling One Qt application on Raspberry Pi and Run it on different ARM device like Microchip or TI board without compile again. will it work??? if both the side Qt version is same.
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1answer
188 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 ...
1
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1answer
55 views

Can't return any values from ttyUSB0

I'm using a SICK S300 scanner connected via Diagnostic cable to my Raspberry Pi, and it shows the connection as /dev/ttyUSB0 however I can't retrieve any data from it whatsoever. Here is a simple ...
1
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1answer
2k views

Install 64bits os on Raspberry Pi 4

I'm not able to run 64-bit OS on my Raspberry Pi 4. If I do these steps (https://www.raspberrypi.org/documentation/installation/installing-images/mac.md) with a 32bit OS it works fine, but if I use ...
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1answer
189 views

Installing interactive brokers IB gateway on raspy 3B+

I found some posts that walk you through the installation but they are very old and don’t work anymore. I tried to install the oracle java for Arm Linux and then modify the IB installation script to ...
1
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1answer
223 views

symbol lookup error: undefined symbol: _ZN7QWidget8qwsEventEP8QWSEvent

I have cross-compiled executable file from QT 4.8.7. I am running it on a Raspberry PI (Ubuntu), with QT 4.8.7 and QT declarative module installed. When i run the executable file on my raspberry pi, i ...
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0answers
64 views

bluetoothctl hangs with “connect to bluetoothd”

I have a Raspberry Pi 3 and I have been playing with the bluetooth functionality. It worked for a while: I successfully paired a Windows machine with my Pi, but now it does not work anymore. I used ...
2
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3answers
84 views

SSH Connection refused, even though the openssh-server daemon is running

I did a fresh installation of Ubuntu Mate on my Raspberry Pi 2. Installed openssh-server (in fact it was already installed), and changed the port to be 10022. However, I cannot access the Pi, from ...
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2answers
32 views

Connections to my Raspberry PI SSH hang after a while

I have a Raspberry Pi 2 B connected on the network with a static IP. After a fresh reboot, I can connect to it smoothly and it just works: ssh -A <ip> -p <port>. But after, let's say one ...