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Questions tagged [ubuntu]

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

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28 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
30 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
158 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 ...
0
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1answer
104 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
44 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
20 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
102 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
68 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
82 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 ...
0
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1answer
23 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 ...
0
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1answer
838 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
171 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?
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1answer
33 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
votes
1answer
51 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
784 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 ...
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1answer
3k 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 ...
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0answers
21 views

imaging pi 3 from ubuntu 12.04 [duplicate]

I'm in the unfortunate situation of being without my laptop for a few weeks and need to build a few Pi3 computers with my old desktop running ubuntu 12.04. Is there an imaging tool that works with ...
5
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2answers
520 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
votes
1answer
51 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
196 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
58 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
81 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
458 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 ...
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0answers
346 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 ...
0
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0answers
76 views

Qt project deployment on rpi 3 board

I am done with cross compiling Qt 5.10.1 for rpi 3 board and took me nearly 7-8 days. now everything is set and when i tried to run the deployed project on rpi3 : The error popped out: relocation ...
2
votes
1answer
2k 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
vote
1answer
74 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
327 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
votes
1answer
247 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
247 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
7k 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
votes
1answer
147 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
246 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 ...
0
votes
1answer
117 views

chromium-bsu on the raspberry pi

Is it possible to run chromium-bsu (NOT the browser. The game.) on the raspberry pi? My friend tells me it needs an ARM build, and if it does but there is no ARM build, can I replace the pi's CPU with ...
0
votes
1answer
1k views

Can't run Ubuntu Mate on a PI 3 B+? [duplicate]

So I'm brand spanking new to the RPI world and just picked up a new PI 3 B+, and am trying to get Ubuntu Mate (UBM) onto it. I downloaded the Pi version from https://ubuntu-mate.org/download/, ...
1
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0answers
186 views

Install Archer T1U driver on Ubuntu Mate

I am trying to install a driver for this wireless dongle but it states that the drivers can be built only on kernel versions 2.6~3.16. While mine is: uname -a Linux pi-raspberry11 4.4.38-v7+ #938 SMP ...
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0answers
30 views

RPI2 Display Background image in 3.5 TFT LCD

when i am tring to display background image in 3,5 TFT LCD connected with Raspberry pi 2 (Ubuntu Mate Os) as per below mentioned comment, Screen gets blank (white). SPI interface is already enabled. ...
1
vote
1answer
3k views

pi-3b+ ubuntu-core boot problem [duplicate]

i've a pi-3b+ it boots raspbian but does not boot ubuntu-core. When i write ubuntu-core image for pi-3 stable from here the red led lights only. When i write ubuntu-core image for pi-3 edge from here ...
0
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2answers
2k views

Installing RPi.GPIO on Ubuntu Core

I have Ubuntu Core installed on a Raspberry Pi 3. The purpose is to use the Pi as the brains of a robotic system I am building so executing Python code which interacts with the Pis' pins through GPIO ...
0
votes
1answer
62 views

Partition of raspberry pi on Ubuntu 16.04

When I booted raspbian on raspberry pi, the name of partition is /dev/mmcblk0 But when I connect sd card via USB reader on Ubuntu 16.04, it shows a different name as /dev/sdc These sd cards are ...
0
votes
1answer
369 views

How do I create a file “wpa_supplicant.conf” in the boot directory in Raspberry Pi? [closed]

In order to prepare my RPi for connecting to Wifi, I need to do some changes as per this answer. Now, I cannot find the file: wpa_supplicant.conf in the boot directory. Hence, I need to create it and ...
0
votes
1answer
44 views

rPi3 Access Point and Ubuntu artful 17.10 [closed]

I just configured the raspbian as an AP. The Wi-Fi connection works well on windows and android, but when I try to connect from Ubuntu, it enters but does not have an internet connection: In the ...
0
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1answer
553 views

Permission denied ssh on ubuntu

I m trying to ssh my rpi from ubuntu terminal and I get permission denied(publickey,password). The password is correct and I still get this error. Even so, when I try connecting from putty on ...
0
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2answers
183 views

Raspberry Pi shuts down after starting node red

I have node red installed on my Pi and I have been working with it all day, no errors whatsoever. I left it on for a couple of hours and for some reason it shut down. I didn't notice and thought ...
0
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0answers
238 views

“no route to host”: Peer to Peer Network between laptop and Raspberry Pi not working

I've been attempting to establish a peer-to-peer network between my laptop (Ubuntu 16.04.2, Codename: xenial) and my Raspberry Pi 3 (Raspbian, Codename: stretch, 9.1). After attempting to connect with ...
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vote
1answer
2k views

Installing RStudio on a Raspberry Pi running Ubuntu MATE 16.04

I am planning to do a classroom project using R and RStudio IDE. I am able to run R from command line. I installed the package using the command below sudo apt-get install r-base Now I am trying to ...
1
vote
1answer
58 views

kevent 2 may have been dropped

I'm running Ubuntu Server 16 on my pi3 and I'm trying to pull docker images from he repository remotely( logged in via ssh) and keep running into the error smsc95xx 1-1.1:1.0: eth0: kevent 2 may ...
0
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0answers
786 views

Error: missing /boot/firmware, did you forget to mount it?

I'm running ubuntu-server 16.0.4 on my Pi3 B Model and when trying to update packages I get the following Setting up u-boot-rpi:armhf (2016.01+dfsg1-2ubuntu3) ... Error: missing /boot/firmware, ...
0
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1answer
223 views

/boot/upgrade not found on Ubuntu 16.10 with Berryboot

Hi! I am using Berryboot on my Raspberry PI 3 to boot between Raspbian, OPENElec, RetroPie & Ubuntu Server 16.10, Everything works smoothly except for one thing; When using the Apt-get command ...
2
votes
1answer
323 views

What pin numbering system is used in config.txt?

I am running Ubuntu Mate on a Raspberry Pi 2B. I would like to find which GPIO pin is currently used for the heartbeat, i.e. activity, so I can attach an external LED. The config.txt entry is like ...