Questions tagged [ubuntu]
Ubuntu is a Linux operating system derived from the Debian distribution.
316
questions
-3
votes
3answers
40 views
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....
1
vote
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’...
-1
votes
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 ...
1
vote
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 ...
0
votes
0answers
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 ...
1
vote
0answers
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 ...
-1
votes
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 ...
2
votes
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 ...
0
votes
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 (...
0
votes
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
votes
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?
1
vote
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 ...
1
vote
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 ...
0
votes
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; ...
0
votes
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
vote
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 ...
0
votes
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.
0
votes
0answers
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 ...
0
votes
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 ...
0
votes
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 ...
0
votes
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....
0
votes
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,...
2
votes
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 ...
0
votes
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 ...
0
votes
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-...
0
votes
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 ...
1
vote
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 ...
1
vote
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 ...
0
votes
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 ...
0
votes
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
...
0
votes
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 ...
0
votes
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,...
1
vote
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
votes
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/...
0
votes
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 ...
1
vote
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 ...
0
votes
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
votes
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 ...
0
votes
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 ...
0
votes
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 ...
0
votes
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/...
1
vote
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.
0
votes
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
vote
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
vote
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 ...
-1
votes
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
vote
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 ...
1
vote
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
votes
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 ...
0
votes
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 ...
