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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.

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13 views

dpkg: error: error executing hook

I am using a raspberry but I don't think think this problem is hardware related or distribution related (not sure). Here is the error: sudo apt-get dist-upgrade 18 upgraded, 0 newly installed, 0 to ...
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0answers
17 views

Installing pivpn on RaspberryPi b3 [on hold]

I'm desperately trying to install pivpn with this command: curl -l http://install.pivpn.io | bash but i'm still getting this error message; curl -L http://install.pivpn.io | bash % Total % ...
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1answer
43 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-...
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0answers
8 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: ...
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0answers
36 views

Detecting occupancy with PIR

I'm working on a project with PIR and Raspberry Pi 3 in order to detect the occupancy of meeting rooms. I was able to detect the real time occupancy. However, I need help in how to print this ...
1
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1answer
62 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
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1answer
59 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 ...
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0answers
96 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 ...
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55 views

Ubuntu 18.04 on ARM device

i'm running 18.04 and MATE on odroid xu4...which is ARM device kinda like rasberry pi. but all the apps in Synaptic are i386. i literally can't install any apps...what's the work around?? QEMU ...
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1answer
74 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 ...
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0answers
51 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 ...
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28 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 ...
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181 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 ...
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0answers
25 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
81 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?
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1answer
87 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: ...
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1answer
64 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
18 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
66 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
64 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....
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0answers
206 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 ...
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1answer
57 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
33 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 ...
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0answers
73 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
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1answer
274 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
86 views

Unable to add ppa - “user or team does not exist” - Ubuntu 16.04 on Rpi 3

I have seen several similar forums answered that say I must export http(s)_proxy (and uppercase) environment variables. However, I am not behind a proxy server. For example, I run env | grep -i ...
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0answers
79 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/...
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0answers
342 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
33 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 ...
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2answers
72 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 ...
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1answer
41 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 ...
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0answers
15 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
22 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
24 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'...
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1answer
133 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
703 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
80 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
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1answer
52 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
100 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 ...
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0answers
23 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 ...
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0answers
225 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
35 views

ubuntu mate welcome error

I have installed Ubuntu mate 16.04 on Raspberry Pi3]1 How to solve it?
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0answers
355 views

bluetoothctl don't find my device whereas hcitool can/Can't find device if not trusted

In relation to this post Is there any answers to this topic ? Because I have the same problem and @HackToHell asked to continue on AskUbuntu chat which is not available anymore so i don't know the ...
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5answers
2k views

No network on Raspberry Pi 3B+ with Ubuntu ARM64

I'm trying to follow the instruction https://wiki.ubuntu.com/ARM/RaspberryPi to install Ubuntu ARM64 on my Raspberry Pi 3B+. The ISO file I chose is Ubuntu Server 18.04 ARM64 (not mini), written to a ...
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0answers
21 views

Use CUPS with Chip Print Authentication

I have a Raspberry with CUPS installed. Before printing a print job, I want the user to authenticate via a chip directly on the Raspberry via the built-in chip reader before printing. I have not found ...
2
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1answer
135 views

Why does my ubuntu server become unavailable from remote access after about 10 hours?

While setting up my raspberry pi with apache2, shh and more at a new address I've encountered a problem. My setup consists of a router with port forwarding 80, 443 and 22 to my RPI's static local IP, ...
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0answers
441 views

Raspberry Pi 3B: built in wifi not detected

I installed Ubuntu Bionic image for RPI2 and added Wi-Fi driver as instructed at Ubuntu wiki document. However, when I successfully booted my raspberry pi, Ubuntu won't detect built in Wi-Fi chipset ...
0
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1answer
336 views

raspberry pi samba share not visible in ubuntu 18.04

I set up a samba share using a raspberry pi 1 Model B+ running the latest raspbian. Ubuntu 18.04 doesn't show any shared folders from the raspi while Ubuntu 16.04 shows the shared folders. Searching ...