Questions tagged [ubuntu]

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

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1answer
18 views

How to Install Fedora/Pidora and Ubuntu Mate on Raspberry Pi?

I have a Raspberry Pi 3b+ and a Windows Laptop, through which I have downloaded Pidora and made a bootable SD Card with Etcher Software. When I try to boot my Pi using this SD card it is not doing ...
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2answers
27 views

How do I enable wifi before login on ubuntu-mate running on a Raspberry Pi?

I have a Raspberry Pi 3B+ with Ubuntu-mate 1.20.1 (Ubuntu 18.04.2) that I want to run headless and use VNC and SSH to access. Connections will be via WiFi, and the Pi has a static address on my ...
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1answer
38 views

How to set up wifi with ubuntu 18.04.2?

I'm trying to use ubuntu OS on my raspberry pi 3 B+. I have formatted my microSD card to FAT32 and copied the ubuntu-18.04.2-preinstalled-server-arm64+raspi3.img. I am able to have the OS working. ...
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0answers
26 views

Connected to the internet but unable to ping

I have a Raspberry Pi 3b+ with a Huawei E3372 LTE USB Stick. I use a mobile simcard in this USB stick to provide it with a internet connection. The problem now is that I can't even ping the IP ...
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0answers
38 views

Ubuntu Mate compatibility

A Raspberry Pi3 B+ was outfitted with: ubuntu-mate-18.04.2-beta1-desktop-armhf+raspi-ext4.img which indicates that the B+ is the recommended hardware. That being said, at bootup, the rainbow screen (...
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0answers
25 views

Share Ubuntu Internet Connection With Raspberry Pi 0

I'm connecting to my raspberry pi zero over USB and SSH currently but would like to share my computer's internet connection to it over the same USB cord. I've seen people do it on Windows and Mac but ...
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0answers
15 views

Problems Installing when Chrooting into Raspberry Pi Zero W

I've been currently trying to more quickly install large libraries like scipy on my raspberry pi zero w. I'm using this proot command: sudo proot --qemu="qemu-arm -cpu arm1176" -S /media/emdash00/...
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1answer
95 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-...
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0answers
19 views

RPlidar could not be launch

I am now doing a project using RPLidar in ubuntu 16.04. However, I am facing some problem with running the RPLidar. I have checked that my userid is inside the dialout group. The below code is what I ...
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0answers
38 views

capturing video stream using piCam

i'm trying to capture the video stream using piCam. but i get this warning and the execution stops this the code: this the code I used: import numpy as np import cv2 cap = cv2.VideoCapture(0) cap....
4
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1answer
920 views

How to setup the Raspberry Pi 3 onboard WiFi for Ubuntu Server 18.04 with netplan?

How to setup of Raspberry Pi 3 B+ onboard WiFi for Ubuntu Server 18.04? In particular, with netplan? This is a clean install of the Ubuntu Server 18.04 image for Raspberry Pi 3. File: ubuntu-18.04.2-...
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1answer
146 views

PoE hat fan activation on OS other than Raspbian

I'm aware that the only officially supported OS that the PoE hat works on is Raspbian. I can confirm that both my hats work, and that the fan does switch on and off if I have Raspbian installed on the ...
2
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1answer
48 views

Using Pi to stream audio from PC to stereo

I would like to use my pi to stream the audio from my pc to my stereo. I am using the method described here. Unfortunately, my computer does not detect the pi. Some details about my installation: ...
2
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2answers
73 views

SSH port forwarding problem NAT/PAT (Livebox) : remote internet access to raspberry pi using SSH

I'm a french student trying desperately to grant access to a raspberry pi using ssh. I'm using : raspberry : raspberry B+ with raspbian laptop : ubuntu 18.04 router : livebox 3 (France) My goal :...
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1answer
232 views

Ubuntu MATE Pi not connecting to monitor?

I just flashed a MicroSD card with Ubuntu MATE. I booted up my Pi 3 Model B with it and the monitor is just showing a black screen. The monitor looks like it is connected to the Pi, because it is on ...
1
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1answer
53 views

how to capture a single frame using gstreamer

I am using the following command to capture multiple frames: gst-launch-1.0 tcpclientsrc host=192.168.1.2 port=5000 num-buffers=100000000 ! gdpdepay ! jpegparse ! jpegdec ! multifilesink location="...
1
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1answer
204 views

Run a script when wifi is connected to a particular wifi network?

My Raspberry pi is connected to my home wifi network. This wifi network have a captive portal and hence each time I need to sign in the captive portal to use the internet. Now I am trying to automate ...
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0answers
49 views

PI2 and Ubuntu Core 18 kind of stuck

I just conect my PI2 that I purchased a few years ago. I could not install any of the Raspbian or what was on the micro sd card. So, I downloaded and installed ubuntu-core-18-armhf+raspi2.img.xz. ...
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1answer
56 views

Raspberry Pi 3 possible OS installations

I have installed Raspbian OS in a 32 GB memory card and am using it in Raspberry Pi 3. Is it possible to put Ubuntu OS on the same memory card and use it on the RPI 3?
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0answers
94 views

How can I use the free version of Qt to create a GUI for the Raspberry Pi?

I am working on a project that requires high-medium quality GUI. I am thinking of cross compiling from Windows to Raspberry Pi or from Ubuntu to Raspberry Pi. Also, I do not know which one of those ...
0
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1answer
133 views

Why is WiringiPi unable to find hardware revision?

I installed Ubuntu 18.04 on a Raspberry Pi 3 B+ and WiringPi following the instructions presented here. The problem is that when calling the GPIO utility, I get the following error: It seems that the ...
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2answers
1k views

Ubuntu 18.04 on Raspberry pi zero w?

I am wondering if anyone has successfully installed and ran Ubuntu Mate 18.04 on Raspberry pi zero w?? If so, can you guide me on how you accomplished it? I have an application in mind where I need ...
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1answer
642 views

Rainbow Screen and Lighting Bolt while booting Ubuntu Mate on RPi3 B+ [duplicate]

I have installed the Ubuntu Mate Image for the Raspberry Pi that I found here https://ubuntu-mate.org/raspberry-pi/ - During the boot process the only thing that appears on screen is the rainbow ...
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0answers
54 views

Will 'release-upgrade' to 18.04.1 LTS Server on Raspberry Pi 3B provide a 64bit Kernel

I have Ubuntu 16.04.5 LTS Server (for armvhf) installed on my Raspberry Pi 3B (ARMv8), which runs a 32bit kernel. I would like to install a 64bit kernel and associated modules with minimal fuss as I ...
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1answer
34 views

Edit root files from CD Card, Ubuntu

So, I heard that it's possible to edit root files on Linux but if I trying to save the file I get this message: They do not have the necessary authorisations to store the file. Please, check ...
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0answers
199 views

Ubuntu, Firefox can access internet, but terminal can't

I'm connected to university router, and I know they have many restrictions, but firefox is accessing the repo links without any issue, but the terminal can't. How can I make the terminal use the same ...
1
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1answer
106 views

Ubuntu Mate or Raspbian for commercial use [closed]

I would like to know what to be careful about using Ubuntu for commercial use. I am developing SW will run on ubuntu mate OS(Ubuntu 16.04.2 LTS). I am planning to sell my SW with ubuntu on SD card or ...
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1answer
197 views

How to install UBUNTU MATE without another computer

I am using a raspberry pi 3 b (not b+) and I am looking to install Ubuntu MATE I am currently running Raspbian but I have heard of Ubuntu MATE and wish to use it. However I have not another computer ...
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1answer
30 views

Is ubuntu-pi-flavour-maker.org a Reputable Source?

We noticed ubuntu-pi-flavour-maker.org is linked to here on Raspberry Pi's Magpi, but we just wanted to double check, can we be sure that images downloaded from this site don't have security issues ...
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1answer
2k views

Wifi Not Working with Ubuntu MATE 16.04 and Pi 3b+

I was able to get Ubuntu MATE to finally run on my Pi 3B+ after following this tutorial: https://www.youtube.com/watch?v=tdJrd75_068&lc=z234tvgocvmqyzb5a04t1aokgml1ll00iwv1gbnt2da0rk0h00410....
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1answer
366 views

How to ssh without needing a password [duplicate]

I just want to run a python file on raspberry pi and use terminal code ssh. So, I don't want type password to do that. What should I do?
1
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1answer
52 views

Can't connect via SSH to RPi2

I have searched for old topics but I can't find anything that could solve my issue. I have installed Ubuntu MATE on SD card and created the ssh file on the boot\ directory. I connect the RPi2 ...
0
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1answer
81 views

PI 3B wifi interface fail

My PI-3B is flashed with Ubuntu 16.04 with wireless-tools and wpa_supplicant also installed. My issue is I can't get wlan0 to be recognised by the system either dynamically (DHCP) or statically. I ...
0
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1answer
2k views

Ubuntu Server 18.04 on Raspberry Pi 3 B+: Ethernet Networking Errors on Boot

So I've been trying to setup a web server on my Raspberry Pi 3 B+ I'd like to be able to develop on meteor and then upload the app to my Pi over SSH and Meteor Up (MUP). Started with Raspbian Stretch ...
0
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1answer
4k views

Raspberry Pi 3B+, installing Ubuntu Server (64bit)- problems

TL;DR: (Scroll down to bottom two questions) I have found dozens of "solutions" on the Raspberry Pi 3B which have worked for people and not with my 3B+. I suspect that there is a very specific ...
5
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2answers
640 views

Setting up time on Raspberry Pi with Ubuntu LTS 18.04

It seems I am unable to set up permanent time on my Raspberry Pi 3 with Ubuntu LTS. I tried: sudo timedatectl set-ntp 0 sudo timedatectl set-time "2018-09-17 18:17:16" sudo timedatectl set-timezone ...
0
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1answer
66 views

cant open image from rc.local

I would like to open image from rc.local. I am sure rc.local is getting called during boot as it execute/run test c++ code. I tried with various image viewer like gpicview , mirage. I can try with ...
1
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1answer
378 views

Ubuntu MATE ufw error WARN: uid is 0 but '/lib' is owned by 1000 | WARN: /lib is group writable! [08/08/18 13:05:23] Status: Enabled

When I run sudo ufw enable in the terminal, it says that it is enabled and warns me about /lib being owned by 1000. Here is the output... WARN: uid is 0 but '/lib' is owned by 1000 WARN: /lib is ...
0
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1answer
146 views

WARNING: Can't Create a List File '/var/www/html/file_here.xml.tmp': Permission denied

land@ns331252:/var/www/html$ ls -al total 24 drwxr-xr-x 2 root root 4096 Aug 5 02:39 . drwxrwxrwx 7 root root 4096 Aug 6 07:27 .. -rwxrwxrwx 1 land land 8839 Aug 5 02:39 file.here.txt -rwxrwxrwx 1 ...
0
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1answer
210 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 ...
3
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1answer
954 views

Install raspi-config on Ubuntu 16.04 server [duplicate]

I download the Ubuntu Classic Server 16.04 - Raspberry Pi 3 from https://ubuntu-pi-flavour-maker.org/download/ and installed it on my RPi 3. Now I see that wlan0 is missing. I don't have /dev/video0 ...
1
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0answers
385 views

How to upgrade other major OS to work on 3 B+

Scenario I am yet another victim of thinking my rpi 3 B+ was broken when it wouldn't boot up. It turns out that the 3 B+ is looking for some special boot instructions. I currently have: Ubuntu Mate ...
3
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1answer
3k views

Rpi Zero - Snappy Ubuntu Core

Ubuntu Core is meant to be a very light OS, which is ideal for RPi zero. Today I run a RPi Zero using Raspbian Stretch Lite, but I would be happy to run even lighter OS, as Ubuntu Core. What is the ...
1
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1answer
83 views

Which OS to select when writing to SD Card using PiBakery from Ubuntu

I installed an image of Raspbian on my SD Card from here here After that I built and installed PiBakery for Ubuntu as described here. I followed PiBakery Documentation to create a setup Now after ...
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1answer
366 views

ubuntu 16.04 install raspberry pi3 B [duplicate]

Can I install Ubuntu 16.04 on Raspberry Pi 3 model B instead of Ubuntu mate? If you have more information please let me know !
2
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1answer
378 views

Raspberry Pi Compute Module 3 and IO Board does not detect USB device if it's plugged in before booting

I have a Raspberry Pi Compute Module 3 mounted on an IO board, connected to a (powered AFAIK) USB hub full of devices, and running Ubuntu MATE 16.04.2, with the X server disabled. I've noticed that ...
1
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1answer
412 views

dd failed with 'illegal numeric value'

I am following the instructions here https://developer.ubuntu.com/core/get-started/installation-medias to prepare an OS image on the sd card. I ran the following command: xzcat ~/raspberry-pi/ubuntu-...
0
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1answer
8k views

Ubuntu Mate 16.04 on Raspberry Pi 3 B+

I would like to get Ubuntu Mate 16.04 on the Raspberry Pi 3 B+. According to this thread this should be possible. Here is the summary on how they achieved it: Copy the following files from Raspbian ...
0
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1answer
216 views

What is the difference between Ubuntu 16.04 LTS and Ubuntu MATE? Can I install Ubuntu 16.04 on a Pi? [closed]

What is the difference, and can I install the Ubuntu 16.04 LTS on a Pi 3 Model B?
1
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1answer
396 views

SSH connection refused on Raspberry Pi 3?

I installed Ubuntu MATE 16.04 on a 16 GB microSD card and am trying to setup headlessly. I'm trying to SSH into the Pi. I am able to ping the Pi. I added an empty file "ssh" to the boot partition but ...