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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What is Snappy Ubuntu Core?

Before everyone rushes to mark this as a duplicate, I have indeed read the other threads here and here, googled this, and visited the snappy homepage here searching to clear my confusion, and I ...
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2answers
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What commands are needed to install Ubuntu Core?

Ubuntu Core's wiki page page contains the instructions to install Ubuntu Core on a target media: Uncompress (do not unpack) rootfs Format target media: at least one partition should be ext2, ...
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1answer
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Snappy Ubuntu, how does it relate to Nix and Guix?

I searched for a comparison but found non and am not quite well informed enough to do it myself right now. All of them provide transactional updates, but different levels of containment. Snappy ...
8
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2answers
3k views

Why is Ubuntu moving to Snappy packages?

Why Ubuntu dumping .deb packages and moving to .snappy packages? (At least for now they are keeping .deb package for normal distributions). .deb is already the most popular packaging out there. ...
7
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1answer
551 views

Can I run Snappy Ubuntu Core as a guest inside Docker?

I'm aware that Snappy Ubuntu can host Docker containers. My question is whether it can also be run inside a container, as a Docker guest. The reason I'm asking is that I can't find any Snappy VM ...
6
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1answer
774 views

What is snapcraft?

I've been trying snappy Ubuntu core on a Raspberry Pi 2 device, and I've heard I can use Snapcraft to do development on it. What is Snapcraft and how does it relate to snappy Ubuntu?
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3answers
3k views

Snappy Ubuntu Core, no Docker or Owncloud in 'store'

I downloaded the image of Snappy Ubuntu Core for the Beaglebone Black, Alpha 2. When I now try to install Docker or Owncloud it cannot be found. Nor are the apps/framework available through the WebDM ...
6
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2answers
587 views

How can I run a Snappy / ubuntu-core image with LXD

I would like to run Ubuntu Snappy in an LXC container. There isn't an existing snappy image at the default https://images.linuxcontainers.org repo, but I was wondering if this is something others ...
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2answers
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Packages for Ubuntu Core Snappy

How can I find out what packagges are available for Ubuntu Core? I've googled everything, but I can't seem to find a website like packages.ubuntu.com for Core.
5
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1answer
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Difference between Snappy and Click

I don't understand the difference between Snappy and Click. Both allow for image based system updates. Both use app armor to confine apps. Soon Click will run on the desktop, phone and tablet and ...
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5answers
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How to install snappy Ubuntu 15.04 Core images on a PC

Can you please help with some instructions on how to install Snappy Ubuntu core on an AMD64 PC? I can find the image at this URL. But I've not been successful installing booting it of an USB and ...
4
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1answer
5k views

How do you compare Ubuntu Server to Snappy Ubuntu Core?

How do you compare Ubuntu Server to Snappy Ubuntu Core for a single-board computer (SBC)? From what I've read I understand that the package managing system is different in Snappy. But, in general ...
4
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2answers
323 views

Play audio on Ubuntu Core!

I installed Ubuntu Core 14.04 AMD 64. Now I want to play an audio! What exactly should be installed?! (I got this message on webkitgtk: jack server is not running or cannot be started) I got this by ...
4
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2answers
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Is there a way to add repo to Snappy ubuntu core?

I am trying to install more stuff and I am seeing very little in snappy's install. Is there a way to use apt-get or add repositories to install?
4
votes
1answer
6k views

How to connect wifi network from raspberry pi 2 (snappy)

I've set up new raspberry pi 2 with snappy core. And I couldn't find how to connect wifi network from snappy terminal. My wifi dongle working correctly but there is no iwconfig in snappy core. Wlist ...
4
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2answers
582 views

where is the 32 bit ubuntu snappy core image

The Ubuntu Website states that Ubuntu Core is Now available on a wide range of 32 and 64-bit ARM and X86 platforms. The following page says 64-bit PC (AMD64) snappy image Choose this to ...
3
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2answers
78 views

Are Click packages obsoleted by Snappy packages?

Are Click packages obsoleted by Snappy packages? Should I focus on learning how to make snappy packages, and ignore the click documentation?
3
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1answer
1k views

Ubuntu-Core Snappy ssl-certificate error

yesterday i was testing the new ubuntu core image for the raspberry pi 2. Everything started perfectly but i got an ssl-certificate error for every snappy command i wanted to execute. Internet ...
3
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1answer
328 views

What is meant by 'Transactional Updates'

What is meant by 'transactionally updated' system and how does such an update process different from a 'normally' updated system? What are its advantages/disadvantages? Are there any other Linux ...
3
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2answers
422 views

Supercomputer from old computers [closed]

I have many computers sitting around. A netbook A laptop A desktop And another Desktop I was wondering if there is any software that is capable of taking the processing power of the computers ...
3
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1answer
1k views

Unable to connect to Snappy Ubuntu Core via ssh [closed]

I have installed the Snappy Ubuntu Core alpha using KVM, but cannot connect to it using SSH. SSH returns ssh_exchange_identification: read: Connection reset by peer, which seems like a server-side ...
3
votes
2answers
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How can I install Cinnamon on a minimal CLI installation?

I've come across similar, already answered questions on this website; however none of them deals with starting from the scratch - the Ubuntu core. The normal release of 12.04 was not responding well ...
3
votes
1answer
452 views

What is the difference between a Snappy apps and Charms (and click)

I have heard that the system in use to package and install apps in sandboxes on ubuntu is the click package on the desktopNext and phone/tablet. If I have understood well, a snappy ubuntu core apps, ...
3
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1answer
43 views

What is the difference between +bbb and -bbb images in the 15.04 release?

In the stable 15.04 release here, there are two files for BeagleBoneBlack to download: ubuntu-15.04-snappy-armhf+bbb.img.xz and ubuntu-15.04-snappy-armhf-bbb.img.xz They have the same size, but the ...
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2answers
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snappy ubuntu core install basic packages

How to install basic package on snappy Ubuntu core, like nano git wget etc. I tried the dpkg -i ***.deb ,but there are also need some dependent packages
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2answers
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Ubuntu Core Snappy Touch GUI app kiosk

I just learned about Ubuntu Core Snappy about 2 hours ago. I was very excited as I was thinking about making a stand alone java application that has a simple full screen touch GUI. This would be a ...
3
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1answer
95 views

How to create local repository for Ubuntu Snappy

How to create local repository for Ubuntu Snappy? For example I use reprepro to create Ubuntu repository for deb packages.
3
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1answer
42 views

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 ...
2
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1answer
732 views

What is Ubuntu Core? [duplicate]

What exactly is Ubuntu Core, and how does it relate to Ubuntu itself (i.e. the main desktop and server distribution)? I've read the answer to this question, which says it's just a minimal install of ...
2
votes
1answer
941 views

Admin users on an Ubuntu Core installation

I installed Ubuntu Core using these instructions, and added a user. But when I try to add the user to the admin group, it says the group does not exist. What do I do? PS I had to install sudo, ...
2
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1answer
44 views

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 ?
2
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3answers
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How can I install Ubuntu with APT (not Snappy) on the Raspberry Pi 2?

http://www.raspberrypi.org/downloads/ lists only a Snappy Ubuntu Core image for the Noobs OS installer. Is it possible to install a traditional Ubuntu OS, featuring apt-get together with the standard ...
2
votes
1answer
877 views

Ubuntu core on new Nexus 7?

Does Ubuntu Core (not Ubuntu Touch) also work on the new Nexus 7 with 1080p screen? It doesn't yet mention anything about the newer Nexus 7, just wondering if it is supported? If it is not ...
2
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0answers
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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?
2
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1answer
755 views

start GUI interface from command line in snappy ubuntu

How can i get into desktop /gui of snappy ubuntu from putty? startx command is not working or is there any way to do loke real vnc m using raspberry pi2+snappy core
2
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0answers
45 views

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.
2
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0answers
528 views

How do I add a text editor to a ubunto core, snappy system? [closed]

I've been trying out snappy. (http://developer.ubuntu.com/en/snappy/).I got the snappy image to boot up under virtual box. I see that it doesn't come with any apps already installed, which is just ...
2
votes
0answers
559 views

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 ...
2
votes
0answers
304 views

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 ...
2
votes
2answers
76 views

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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1answer
196 views

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 ...
1
vote
1answer
55 views

Using an external flash drive with a Snappy application

I'm developing an application that utilizes the Raspberry Pi 2 and will most likely use Snappy. Many of the systems will be standalone (not normally connected to the Internet). I need to manage the ...
1
vote
1answer
28 views

“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 <nathan@quickmediasolutions.com> summary: ...
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2answers
4k views

Does Ubuntu Snappy Core work with Raspberry Pi 1?

Does Ubuntu Snappy Core work with Raspberry Pi 1 (the original model)?
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1answer
325 views

How to install apache on a Raspberry Pi 2 Ubuntu Snappy Core?

I installed Snappy Ubuntu Core on a Raspi, hoping to use it as a webserver, however I can't apt-get install packages and snappy install has virtually no packages available (right now). Do I have to ...
1
vote
1answer
48 views

'lint_control_architecture_valid_contents' error

I was creating a framework app, cURL for Snappy. I could create and publish it, but the published app raised a few errors. 2 Fails: found binaries for architecture 'all': bin/curl ...
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1answer
83 views

Do Ubuntu snappy packages need much more space?

Actually I thought that one of the benefits of a Linux system are the shared dependencies, which makes individual programs small in space. GIMP needs 15 MB disk space, the requirements for Photoshop ...
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1answer
326 views

Snappy source packages?

In a Debian system, any package can be built from source by issuing the dpkg-buildpackage command. In snappy Ubuntu, there does not seem to be anything comparable to either dpkg-buildpackage or ...
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vote
1answer
2k views

Snappy on Raspberry Pi 2 failing to boot

I've just got brand new Raspberry Pi 2 model B, and tried to install Snappy Ubuntu Core alpha-02 on a brand new Samsung EVO 16 GB micro SD card. When I boot the Pi, I don't see it appear on the ...
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1answer
730 views

ubuntu core webdm alpha for Beaglebone Black not booting

I have tried the flashing SD card for Beaglebone Black with 'Ubuntu Core WEBDM' image i.e. 'ubuntu-core-WEBDM-alpha-02_armhf-bbb.img' as mentioned in the steps here. But the system is not booted. I ...