Questions tagged [ubuntu-core]
Ubuntu Core is a minimal version of Ubuntu intended for large-scale deployments, bringing transactional updates through the "snappy" packaging system.
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PermissionError: [Errno 13] Permission denied: on ubuntu core after running snap of web app
I have created a python based web server and made a snap of it and upload stable version on snap store. When i download and run that server on Ubuntu core machine, it throws the following error:
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Can I run a python package with snap on Ubuntu Core?
I wrote a python package on a Debian-machine that I am trying to port over to Ubuntu Core (it comes preloaded on the hardware I want to use). On Debian, I was able to simply pull my code from git and ...
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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 ...
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Ubuntu Core images for Artik 530 / 530s
Are there any plans on providing Ubuntu Core images for Artik 530 and Artik 530s?
The images listed in https://developer.ubuntu.com/core/get-started/artik-5-10 seem to be for Artik 520 and don't boot ...
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Is APT slated for deprecated with SNAP on the horizon? [closed]
With the emergence of Ubuntu Snap, the idea of Linux packages that are cross-platform and easily updateable are finally a reality. with that being said, is Ubuntu planning on making all of its ...
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Booting Ubuntu Core without external network
I am unable to boot Ubuntu Core without having an external network.
It requires a network that assigns a IP address eventhough the network might not be connected to the internet.
What I have tried:
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Use Snappy Core without Ubuntu One account
Background
There has been a recent interest within the company for whom I work to improve security and remove all unnecessary parts of operating systems. This is a perfect use-case for the Ubuntu ...
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Dyndns with Ubuntu-Core
i want to connect my Nextcloud-Box with a DynDns Service, but my Router doesn't support ip updating for that service, so I have to do it with my raspberry, but I don't know how, since I can't install ...
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Unable to create simple console.log nodejs snap from github
Before I start creating a snap from my real application, I thought it be a good idea to start with a simple console.log app. However.....after two days I'm getting nowhere :(
I'm running Ubuntu Core (...
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How to use h264_mmal hardware decoder in RaspberryPi 3 in Snappy Ubuntu Core?
I have a program that makes use of the h264_mmal hardware accelerated decoder in Raspberry Pi 3. The same executable works fine on the same Raspberry Pi board if the OS is Ubuntu-Mate with gpu_men set ...
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How to compile Bluez btmgmt on Ubuntu Core?
I'm moving a script from Ubuntu 16.04 to Ubuntu Core 16. In the process I am also moving from Bluez 5.37 to the version provided with the Bluez snap, 5.44-2.
In the Bluez snap, the btmgmt tool is not ...
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Error while entring Ubuntu SSO credentials during snappy core installation on Raspberry pi 3 [closed]
I am getting an error when I try to enter my email ID during the snappy core installation on raspberry pi 3.
The error reads as:
**Creating user failed:**
**error: while creating user: cannot ...
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Mount writable NTFS disk in Ubuntu Core
I have recently installed Ubuntu Core on a Raspberry Pi 3 using the official images provided by Canonical. I have a USB hard drive connected to the Raspberry Pi. This drive is formatted as NTFS. In ...
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How can I unpack an Ubuntu image?
We usually create/pack Ubuntu images with:
ubuntu-image -c beta --extra-snaps XXXXX --extra-snaps XXXX -o XXX.model
Now how can we unpack the generated Ubuntu image? Is there any tool to do that?
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Ubuntu Core on Raspberry Pi 3 SPI driver isn't available
I have Golang program for Raspberry Pi 3 that reads data using SPI.
I use this library to do that: https://github.com/kidoman/embd. And it works ok on Raspbian OS.
I tried to port it to Ubuntu Core.
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Can I access network-manager.nmcli from another snap?
I need to be able to access network-manager.nmcli command from my snap. I have not found a way to accomplish this with the current core or network-manager interfaces. Is the only solution that a slot ...
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ubuntu-core --- change snaps repository
I would like to run Ubuntu-Core to a board not supported officially by the distribution. In this way, I would like to change the snaps repository from the Ubuntu Store to a Private Store in order to ...
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Ubuntu core 16, Raspberry Pi 3, bluetooth vs. apparmor
I am having trouble seeing any Bluetooth controllers on my Rasberry Pi 3 running Core 16.
Installed snaps:
Name Version Rev Developer Notes
bluez 5.37-2 12 ...
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1
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Python rpi.GPIO with Snapcraft / snap?
I'm having great trouble trying to build a snap for a simple python code for Rpi2.
Code I would like to put into a Snap is:
# External module imports
import RPi.GPIO as GPIO
import time
print("...
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How do you netboot or network install ubuntu core?
Target: Intel NUC. Guides only show how to install from USB key. If I need to install a lot of NUCs (which I do), need to have a procedure to PXE boot / install. Is there such a guide?
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How to log into Snappy Core?
Okay, so I downloaded the i386 image for Ubuntu Snappy Core, unpack it, convert it to a VDI and attach it to VirtualBox VM. All good. I generate my SSH keys and add them to my Ubuntu One account. I ...
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OS upgrade from Ubuntu Core 15.04 to Ubuntu Core 16.04 support
Is OS upgrade from Ubuntu Core 15.04 to Ubuntu Core 16.04 supported? Will an 15.04 application snap work on 16.04 ubuntu core .
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How to mount Snappy Ubuntu Core writable on an external drive
In another question (Mounting a drive Ubuntu Snappy) part of the answer was - Another way is to actually place the writable partition on the external hard drive, which would allow all snaps to place ...
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Where can I learn more about end point management with Snappy Ubuntu Core?
Where can I learn more about end point management with snappy Ubuntu Core? Meaning, how would one go about managing both the OS and the snaps on multiple machines? Is Landscape the answer? I couldn't ...
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Oracle JDk 8 in Snapcraft App with Maven
I have a maven project which has source and target versions as JDK 1.8. And I wanted to build a snap app for the same project. As per the doc it looks like snapcraft "will pull a relocatable OpenJDK ...
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1
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Trouble booting Snappy on Raspberry Pi 2
I have installed Ubuntu Core Snappy (ubuntu-15.04-snappy-armhf-raspi2.img) on a miniSD card following the [official instructions1]. Everything went fine with no error and the miniSD has 3 partitions ...
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How to create a snap that relies on docker
I'm new to the Snappy community and have a question regarding building a snap that relies on the Docker framework. I have a test Docker image (https://hub.docker.com/r/skawaii/docker-whaley/). I can ...
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Are there plans for an Ubuntu-approved, Docker-official Snappy baseimage?
Like (I suspect) a lot of folks, I'd like to see a Canonical-created or -endorsed Snappy baseimage for Docker. Does anyone know if that is likely to be forthcoming, or if it is being worked on?
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Read only file system error while trying to install docker-compose on snappy Ubuntu
How to install/use docker-compose on Ubuntu snappy?
when I run:
curl -L https://github.com/docker/compose/releases/download/1.2.0/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-...
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RTLinux on Ubuntu 14.10 - AMD x64 machine
Can I install a full PREEMPT kernel on Ubuntu 14.10? I've found a lot of tutorials on the web, but none worked for me, 'cause I think they are out of date.
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Running latest docker version with snappy ubuntu core
I created a KVM virtual machine on my ubuntu 14.10 box using instructions at this link -
http://www.ubuntu.com/cloud/tools/snappy#snappy-local
After installing docker and executing docker --version ...
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Ubuntu snappy not booting
I'm trying to boot Ubuntu snappy on a BBB and after I've corrected the uEnv.txt as posted on ubuntu core webdm alpha for Beaglebone Black not booting it freezes at Starting kernel .... The full upboot ...
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Some modules doesn't load on boot up
I have tried to build my custom installation of ubuntu using Ubuntu-core. All work the way I wanted except some modules for my devices like my touchpad and wireless doesn't load automatically, so I ...
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Snap Docker service does not auto start container on reboot
I have a pihole server that I installed through docker
And I've installed docker through the snap command
sudo snap install docker
And the service is enabled and auto starts on boot.
qqerqqqr@ubuntu:~...
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snap package nano-editor not visible on ubuntu core
I have installed:
OS: Ubuntu Core 16
image: (GNU/Linux 4.4.0-1030-raspi2 armv7l)
HW: RASPBERRY PI 3 MODEL B
and I want to install nano
however I can not find it using:
snap find nano-editor
I ...
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Cannot locate base snap core20: No such file or directory
I have been trying to run firefox but everytime i try to run it through the terminal commands, it shows "cannot locate base snap core20: No such file or diretory". I tried removing and ...
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Ubuntu Core and Docker
The default install of Ubuntu Core on my RPI doesn’t appear to have docker installed. Does anyone know how I can get docker and docker-compose up and running?
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Activate ip forwarding - persistent - ubuntu core
I'm trying to activate ip forwarding at boot-time on my ubuntu core image. I can run the command:
sudo sysctl -w net.ipv4.ip_forward=1
It works. Then I reboot the machine, the forwarding is gone.
On ...
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Where can I find Ubuntu 14.04 core images?
All the internet points me to here (including the release notes) but the link is broken. Anyone knows where to find it?
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How is Snappy Ubuntu Core faster than Ubuntu
While many questions answer what is Snappy Core, I've yet to see an answer of how Snappy is faster (as claimed here) than traditional package management in Ubuntu. I get that rolling back and stuff ...
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What takes less space: debootstrap or Ubuntu Core?
I have a very small disk in my netbook.
So I decided to offload all development files into chroot on an external drive.
What will take less space initially, debootstrap installation or Ubuntu Core ...
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Install latest python on Core
I have a blank install of ubuntu core and am trying to install python.
I have tried the following
snap install python
snap install python3
snap install --edge python
I receive error: snap "...
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No SSH access after accidentally denied ssh in ufw/iptables on Snappy Ubuntu Core
I´m running Snappy Ubuntu Core 18.04 on Intel Nuc, located on other location then where I live permanently.
Now I have accidentally denied SSH in iptables with use of ufw and SSH connection is not ...
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Update Snap from another Snap
I wanted to know if it's possible to update a Snap from another Snap, and if its possible to host your snaps privately for this purpose instead of hosting it on the canonical public repository.
The ...
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Why there are so little snaps in Ubuntu core? Did it stop developing? [closed]
I have just installed Ubuntu Core in my Raspberry Pi 3, and trying to install some basic apps on it. However, when I did type some snap commands, there was nothing much for me to do. What is happening?...
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ROS on Ubuntu Core Issues
I am having some problems with Ubuntu Core and ROS. I am using Snapcraft. I was able to do the "create your first snap" tutorial (https://snapcraft.io/docs/build-snaps/your-first-snap) and everything ...
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Update snapcraft to 2.15
I am using Ubuntu 16.04 upgraded from Ubuntu 14.04, whenever i install snapcraft it install snapcraft 2.8.4.
(I am installing using ``sudo apt-get install snapcraft'' )
I want to install snapcraft ...
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Creating own snap images
I see some similarities between Snap and Docker. I cant find on internet any guide how to create snap image, like image in Docker. How to create it?
I want to build snap with some old libs and old app ...
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Aborted Ubuntu installation
I have aborted an Ubuntu installation.
Now the label and icon of one of my disk drive is changed to
Install Ubuntu (C:)
I tried to rename it manually but i failed.
Can it be fixed ?
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"stop-timeout is not an integer" when generating snap package - why?
Based on the tutorial, I have created an extremely simple snapcraft.yaml which contains the following:
name: hectane
version: 1
vendor: Nathan Osman <[email protected]>
summary: ...
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