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Questions tagged [raspberrypi]

A very-small, single-board computer. Use this tag only for questions about interoperability between Raspberry Pi and Ubuntu; general questions about Raspberry Pi belong on raspberrypi.stackexchange.com.

0
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0answers
15 views

Cannot access Ubuntu Core ~/.bashrc

I've installed Ubunt Core 16.04 on Raspberry Pi 3 (armv7). I've also installed python package using snap, but unfotunately I can't run it out of the box. The executable file of the snap package not ...
0
votes
0answers
14 views

The method driver /usr/lib/apt/methods/tor+http could not be found [on hold]

I have a problem on rasperry pi jessie The method driver /usr/lib/apt/methods/tor+http could not be found. when I try to run sudo apt-get update my sources.list deb http://mirrordirector.raspbian....
0
votes
0answers
24 views

Accessing USB printer without drivers

Wondering if there is a way to send and receive information form specifically this printer over USB. There are no supported drivers for this. My goal is to build a print server with a raspberry pi to ...
0
votes
1answer
24 views

Installing Octave on Ubuntu Mate on Raspberry pi 3

I have Ubuntu Mate on a raspberry pi 3 and I'm trying to install Octave without success so far. I got (sorry if its not accurate, I translated from Spanish): $ sudo apt-get -y install octave octave ...
1
vote
1answer
60 views

Need help with Ubuntu 18.04.1 LTS Server on my Raspberry Pi 3B+

I went through the process of getting a bootable microSD card with Ubuntu server on it for an XMPP project I am starting following this guide: https://wiki.ubuntu.com/ARM/RaspberryPi#...
1
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0answers
64 views

Ubuntu Core 18 - RPI 3B+ Camera not detected

Did anybody tried to make the raspberry pi camera work with Ubuntu Core 18 ? Is it supposed to work ? Whatever I'm trying gives me an error saying the camera is not detected. mmal: ...
0
votes
0answers
22 views

Stuck on Boot Up Screen

So I installed Ubuntu Core on a Raspberry Pi 2 Model B and after doing everything right, I turned on the Pi for the first time. It's stuck on this screen that shows the Ubuntu logo with text under it ...
1
vote
1answer
45 views

Auto-play and keep omxplayer-pi running on Ubuntu Core 18

I got Ubuntu Core 18 running on a Raspberry Pi 3 Model B+. I want the computer to boot and automatically play a video file to HDMI output and loop. I can log in via SSH and run omxplayer-pi test.mp4 ...
0
votes
2answers
100 views

Everything get [Permission Denied] Ubuntu Core

I can't save anything on my raspberry running ubuntu core. I just installed the new version and NOTHING saves. Not even creating a new file on my home directory. Even as root! The only workaround ...
1
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1answer
65 views

Ubuntu core not working on any Raspberry PI 3 B or 3B+

I have tried the latest stable and edge versions of the Ubuntu Core on a RPI 3 B and a RPI 3 B+. Burned the image using etcher and also following the instructions on the page (https://developer.ubuntu....
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0answers
40 views

“Blackscreen” as displayoutput for Ubuntu Mate 16.04 on Raspberry Pi

I'm running Ubuntu Mate 16.04 on a Raspberry Pi 3B+ and it worked well until I changed my PI's name (I know it isn't a good idea to change the PI's name afterwards but I had to do it for reasons). ...
0
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1answer
437 views

ERROR: Couldn't connect to Docker daemon at http+docker://localhost + Segmentation Fault on docker daemon

I installed docker at my raspberry pi zero w running the latest raspbian with curl -sSL https://get.docker.com | sh and docker-compose with sudo pip install docker-compose When I run docker-...
1
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0answers
47 views

qemu-system-arm: -M raspi2 can't support USB input

I have a problem launching Ubuntu Mate startup in qemu-arm. Here we have qemu-3.0.0 with libusb. I installed it with $ ./configure $ make install $ cd arm-sofmmu Here is the qemu command line input: ...
1
vote
1answer
118 views

How to start a python file with Ubuntu Core 16 and Raspberry pi

How can I start a simple .py in Ubuntu Core 16 and Raspberry Pi? because I'm sitting since 10 hours to get a simple python file running. What I tried: Set it up with snap classic and sudo apt-get: ...
1
vote
1answer
109 views

Errors in apt-update in Ubuntu Mate (Raspberry pi)

When I try to to use sudo apt update or sudo apt-get update at the very end I get all these errors and it exits: Ign:48 http://ports.ubuntu.com/ubuntu-ports xenial/multiverse i386 Packages ...
0
votes
0answers
171 views

Updating Linux kernel on Raspberry Pi 3

So I have Ubuntu 18.04 on a Raspberry Pi 3 right now, and after installing linux-raspi2 metapackage, I got this error: ln: failed to create symbolic link '/boot/dtb-4.15.0-1026-raspi2': Operation ...
0
votes
1answer
136 views

JDK not found when installing Java ME SDK on Ubuntu 18.04

Ubuntu 18.04 user here! I'm going to use Java to program embedded systems such as the boards: Raspberry Pi STM32429I-EVAL 32F746GDISCOVERY Intel Galileo Gen. 2. They are not so many, but they are ...
1
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0answers
121 views

CPU Frequency Error. Ubuntu on Raspberry Pi

I have Ubuntu 18.04.1 installed on my Raspberry Pi and two USB devices attached: One small bluetooth adapter and one small Wifi adapter. I am connecting to the wifi network with wpa_supplicant like ...
-1
votes
0answers
33 views

Power on Bluetooth in Ubuntu Core when boot

I want to "power on" the bluetooth interface when the Ubuntu Core boot up. I tried the https://wiki.archlinux.org/index.php/bluetooth "auto power-on after boot" tutorial but it not worked. What I ...
0
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0answers
349 views

Ubuntu 18.04 Installed on raspberry pi 3 b+ has no ethernet

I have installed 18.04 on my b+ following the instructions here ARM/RaspberryPi - Ubuntu and added the /etc/netplan/01-netcfg.yaml as described here network: version: 2 renderer: networkd ...
0
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0answers
43 views

Nextcloud won’t run after upgrading Ubuntu Server for ARM devices to 18.04

I posted this on the Nextcloud forums but didn't get any responses there, so here goes. Nextcloud won’t start after upgrading my Ubuntu server running on RPi to 18.04. When I enter the server URL in ...
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0answers
135 views

Is it possible to make a graphical snap for Ubuntu Snappy on the RPi?

I would like to know how to make a snap with a GUI for the raspberry pi running Ubuntu Snappy Core. I have unfortunately not been able to find any good resources on this, if anyone knows any, it would ...
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0answers
26 views

Raspberry pi 3 stuck during boot at “random: crng init done” [duplicate]

When I turn on my Pi, the process just stops here: What should I do?
0
votes
1answer
181 views

Failed to fetch on `apt-get update` with Ubuntu 16.04 sever(CLI) on raspberry pi 3

I have trouble with the Ubuntu 16.04 on Raspberry Pi 3B sever problem. When I type $ sudo apt-get update , it will shows the error message: Fail to fetch The image are here for the evidence: ...
0
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1answer
111 views

Raspberry Pi 3B with Ubuntu Server(CLI) with No Ethernet Recognition and No Wlan0 List

Everyone! I'm a totally beginner for Raspberry Pi. Now I 'm trying to connect raspberry pi 3B with Ubuntu 16.04 LTS Server to the ethernet and wifi. However the etheret and wifi can not recognized. ...
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0answers
23 views

Ubuntu Mate and xdrp

I am running Ubuntu Mate on a Raspberry Pi 2b. I have installed xrdp in Ubuntu for use as a remote desktop window. It works but, when I join, I see a different desktop. I want to see the desktop that ...
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0answers
143 views

Ubuntu mate raspberry pi SD card issue

I am attempting to install ubuntu mate 16:04 on an SD card for use on a Raspberry pi 3. Working on a mac, I have use Etcher to write the img (ubuntu-mate-16.04.2-desktop-armhf-raspberry-pi.img), to ...
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0answers
146 views

Install Mega Sync Client on Ubuntu Mate 16.04 Raspberry

I have added the deb http://mega.nz/linux/MEGAsync/Raspbian_8.0/ ./ package to my sources.list. But when I type sudo apt-get install megasync I get the error that the dependency libcrypto++9is missing....
1
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0answers
507 views

Convert from armhf to arm64 on Raspberry Pi 3 B running 64-bit Ubuntu Server 18.04 LTS (Bionic)

Questions Can I convert the architecture of my Ubuntu 18.04 LTS server from armhf to arm64? I've already got it doing a "multiarch" thing, but I'm not sure that's the best solution. How should I ...
0
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1answer
199 views

Mount point 0 does not exist

I have been trying to mount an usb drive to my raspberry, but suddenly i started getting the same error over and over and I couldn't find a single way to fix this. mount: /etc/fstab: parse error at ...
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0answers
34 views

Removed libssl1.0.2 and can not connect to the wifi anymore

I purged libssl1.0.2 by doing sudo apt-get purge libssl1.0.2. I am very new to all this and was trying to resolve another issue. I am not able to connect to wifi after performing purge and this when ...
2
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0answers
108 views

Setting up a DisplayLink display on Ubuntu Core running on a Pi3

I am trying to get a DisplayLink (USB monitor Lilliput UM70) running on a Pi3-B. Currently, it is running Ubuntu Core, but I can switch to something else if it makes more sense to run something like ...
1
vote
1answer
345 views

Does snappy core work on raspberry pi 3B+

I have got a raspberry pi 3B running canonical's snappy core on it. The new raspberry pi 3B+ is out. Before buying it(would like to use one of it's new features) I would like to know if anyone already ...
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0answers
132 views

Plex media server on Raspberry pi zero w not working

I'm trying to install Plex media server on my raspberrypi zero w and i keep getting this error: plexmediaserver.service - Plex Media Server for Linux Loaded: loaded (/lib/systemd/system/...
1
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0answers
557 views

Trying to install 18.04 classic on Pi 3 B+, close but not quite there

I am trying to install Ubuntu 18.04 server onto a Raspberry Pi 3 B+ using these instructions: https://wiki.ubuntu.com/ARM/RaspberryPi I chose to download ubuntu-18.04.1-preinstalled-server-armhf+...
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0answers
40 views

Raspberry Pi Wifi Hotspot [closed]

first post :) And there's a reason for that... I have an original Raspberry Pi model B. I would like to use it as an automated wifi hotspot, with the options to use either the the ethernet jack or a ...
2
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2answers
104 views

How to shutdown Ubuntu from chroot?

I installed an infrared receiver sensor and I plan to shutdown my Raspberry running Ubuntu Core using a remote control. The point is: Python and libraries like Rpi.GPIO are installed in an environment ...
0
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1answer
54 views

VPN “connecting” but nothing loading

I followed a recent post from this site on how to setup an openVPN client on an Ubuntu machine. I have a PiHole and an openVPN server running on a RaspberryPi. I did sudo apt-get install openvpn sudo ...
1
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0answers
18 views

Path in Ubuntu Core

I have a basic question: I'm running Ubuntu Core in a Raspberry, but I am unsure about the directory structure. In my understanding, Ubuntu Core uses environments (snaps) where programs are installed....
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0answers
23 views

Ubuntu server 16.04 for raspberry pi2 boot issues

Problem with booting ubuntu 16.04 server on raspberry pi2 I took image here http://cdimage.ubuntu.com/ubuntu/releases/16.04.4/release/ Tested with pi2 (powering through adapter) and before booting ...
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0answers
27 views

Directing ubuntu brower to PiHole

I've got a PiHole running on my RPi3B+. I can't get my Ubuntu laptop to point DNS queries towards my PiHole. I've configured my Windows laptop to point all DNS queries to the Pi's local IP address. I'...
1
vote
1answer
167 views

How do I enter Setup and get into Ubuntu Core command line in a Raspberry Pi 3?

I successfully installed the Ubuntu Core in a Raspberry Pi 3. The system starts, I completed setup and now when I start the system, states firstly "No ethernet found", load all libraries and it goes ...
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2answers
825 views

Ubuntu 18 on Raspberry Pi 3B+ Stuck on Networking Service after Converting the Official Pi 2 image

I'm trying to use the official ubuntu-18.04-preinstalled-server-armhf+raspi2.img.xz image on my Raspberry PI 3B+. I've followed these instructions: https://wiki.ubuntu.com/ARM/RaspberryPi#...
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1answer
82 views

Port Forwarding stops working after several minutes

I am currently having issues with port forwarding.I've got a raspberry pi with Ubuntu 16.04 installed, it's running apache and ftp servers. I've configured a static ip for my system and configured my ...
0
votes
1answer
63 views

Ubuntu 16.04 - Trying to write an image to my microSD card but getting “no such file or directory”

I am following this tutorial (https://fossbytes.com/install-ubuntu-mate-on-raspberry-pi-2-3/) in order to install Ubuntu MATE on my Raspberry Pi 3. I'm using Ubuntu 16.04 in order to download the ...
2
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0answers
113 views

apt-offline: command not found [closed]

I'm using a Raspberry Pi that is not connected to the Internet and a laptop that is. I'm trying to download vim on the Internet connected laptop and then transfer the files with a thumbdrive and ...
0
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0answers
24 views

raspberry pi 0w wifi autoconnect or share

so here's my problem: I would like to create a portable system that I can place in a network, and that connects to the local wifi through another device. ideas: 1: via bluetooth, I boot up the ...
1
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0answers
251 views

how to access hardware serial port on Raspberry Pi3, Ubuntu 16.04

I have a Raspberry Pi3 running Ubuntu 16.04. I am logged in via ssh. I want to connect a hardware device to UART0 at GPIO pins 8 and 10. As best I can figure this should correspond to /dev/...
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0answers
65 views

raspberry pi3 python shell white screen

I have installed Ubuntu 16.04 on Raspberry Pi3 If run the installed idle only the python shell window will open and the text will not be visible. How to solve it?
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0answers
51 views

ubuntu mate welcome error

I have installed Ubuntu mate 16.04 on Raspberry Pi3]1 How to solve it?