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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How to replace docker on Snappy?

I just installed Snappy on my OdroidC++ board and would also like to use Docker 1.9. However, snappy offer Docker 1.6, which does not support important features. Now, I would like to use precompiled ...
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17 views

Can I run any other display server on Ubuntu Core, except for MIR?

What are the options to run QT applications on Ubuntu Core ? Should I use docker or are there snapcraft frameworks available for using EGLFS or Xorg ? The hardware platform that I am using is Intel ...
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Failure in installation on Quagga in Ubuntu 15.10

 been trying to install quagga in ubunto 15.10 using this tutorial, i found this an easy one and it came from ubuntu forum so it should be legit. Im fairly new to quagga, and after doing all the ...
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27 views

How to create and build snappy apps ?

I am very new to Ubuntu application development. I have to develop an application for snappy Ubuntu. Now I am confused about how to do it? So here are my few questions. Which language should I use ...
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1answer
16 views

How to get snappy enable-classic?

Great talk by Sergio Schvezov at Ubucon Pasadena today - he demod a temporary way around the read-only file system (apparently a form of containerising) $ snappy enable-classic I'm just running in ...
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16 views

Snappy Ubuntu Core: snap installation doesn't copy files

I created a Docker base image running Snappy Ubuntu Core 15.04 amd64 using the instructions here: http://askubuntu.com/a/577248/495667 (you can get my image from Dockerhub: ...
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2answers
77 views

How to totally remove ubuntu from boot menu after Windows dual boot

I dual booted windows 10 and ubuntu. Now, I don't want the Ubuntu. So I deleted the ubuntu partitions. Next, I used the Windows recovery drive to run bootrec.exe /fixmbr in cmd.So If I power my pc ...
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26 views

Is 2-Factor Authentication possible within Snappy Ubuntu Core?

In a normal Ubuntu distro I am able to configure files in /etc/pam.d/ to require a 6 digit token in addition to the password. However many files and directories including pam.d are read only. What can ...
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17 views

How to make a snappy package for an open-source

I have developed an open-source daemon EasyCwmp. EasyCwmp has many dependencies such as libcurl, libubox, libubus, libuci, json, libmicroxml. I want to generate a snappy package for Ubuntu core for ...
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27 views

Snappy for Raspberry Pi 2 with capacitive touch display

Any idea whether the original Raspberry Pi 7" capacitive touch screen (http://swag.raspberrypi.org/collections/frontpage/products/raspberry-pi-7-inch-touchscreen-display) is supported in the Raspberry ...
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24 views

Ubuntu 15.10 Right mouse button on unity task bar opens always firefox and does not open context menu within Firefox window

Recently installed ubuntu 15.10 desktop on an asus eee slate ep121 Tablet PC with defaults. Attached it to a hdmi TV, with the internal screen disabled. Problem is that on the unity task bar and ...
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1answer
37 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 ...
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28 views

How do I flash Snappy Ubuntu Core onto a BeagleBone Black's eMMC?

I have successfully followed the instructions under Snappy: Getting started with a Beaglebone Black and currently my BeagleBone Black always boots Ubuntu Core from the microSD card. Is it possible to ...
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1answer
21 views

snapcraft.yaml syntax for a pre-compiled binary

I made a c++ web server that has dependencies. I usually get them from aptitude. The only way that I see to download and put them in a snap is to build a part and list them under "stage-packages". My ...
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1answer
39 views

Snappy and self-contained programs

I really like the idea of self-contained programs (either stored in directories or in image files), and I would like to avoid having a program's files scattered over several system directories like ...
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1answer
50 views

Is Ubuntu Core mature enough for commercial production? [closed]

Our company is considering the use of Ubuntu Core for an IoT product build with the Beaglebone Black. I am trying to figure out how mature Snappy is, so that we don't attempt to go down a development ...
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1answer
203 views

How to install a desktop on Ubuntu Snappy Core 15.04?

I have installed Ubuntu Snappy Core 15.04 into my Raspberry Pi. I would like to install a desktop, but if I try to install Xorg or any "ubuntu-desktop" using the snappy install command, it always ...
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1answer
74 views

Snappy on Beaglebone Black or Green

Is there a flasher image available for snappy? I would like to run it from the eMMC rather than an sd card.
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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 ?
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42 views

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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1answer
31 views

What is the difference between transactional updates in Snappy and the normal Ubuntu updates?

https://developer.ubuntu.com/en/snappy/ The snappy approach is faster, more reliable, and lets us provide stronger security guarantees for apps and users — that’s why we call them “snappy” ...
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33 views

Problem installing Snappy Ubuntu Core to USB flash drive

I have x64 PC with Kubuntu 15.10 installed on SSD (sda) and spare 8GB USB flash drive (sdb) to be used for Snappy Ubuntu. I'm following the instructions on Getting started with an x86 device and dd ...
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8 views

Raspberry with Snappy: .deb package [duplicate]

I have a Raspberry PI 2 with a clean install of Ubuntu Snappy 15.04. I need to install a .deb package but dpkg gives this error: dpkg: error: unable to access dpkg status area: Read-only file system ...
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1answer
63 views

No Internet in snappy 15.04 stable

It seems that none of my two snappy systems can access the Internet. When I run 'snappy list -u' I get the following error message: Get ...
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92 views

Xubuntu Core - Preseed issue

I am just trying to create automatic installation of Xubuntu core. Downloaded from here https://unit193.net/xubuntu/core/ This is how my txt.cfg looks like: default live-install label live-install ...
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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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33 views

Snappy on Raspberry Pi - “Unable to determine bootloader”

Downloaded and wrote Ubuntu Core to a new micro-sd card as per these instructions. Put my micro-sd card into the new Raspberry Pi 2, powered up and SSH'd in. When I enter the command: sudo snappy ...
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1answer
54 views

Snappy doesn't recognize the version of a sideload .snap in 15.10

I've tried to build the webcam-webui example with snapcraft, but when sideloading snappy showed a strange Version string. Everything else seems to work, the program is running. I also get the same ...
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41 views

Snappy Ubuntu core boot error - 'Could not open moddep file /lib/modules/3.x.x.x-22-dirty/modules.dep.bin"

I can run Snappy on my x86 platform. I tried to replace the kernel downloaded from the kernel.ubuntu.com and the kernel built successfully. After replacing the kernel and booting the system, this ...
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2answers
85 views

How to sideload my own/snapcraft example app?

Just trying snappy for the first time, wanting to develop an app but would obviously want to test it before pushing it to the app store. I've been through the snapcraft tutorial but once you've ...
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64 views

Snappy Porting - file does not work after decompressing

I downloaded the file device.tar.xz from the Snappy Porting website. And then I typed the command $ sudo ubuntu-device-flash core 15.04 -o my-snappy.img --size 4 \ --channel edge --oem beagleblack \ ...
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1answer
51 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 ...
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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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1answer
303 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 ...
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1answer
57 views

Snappy on QEMU KVM fails to boot

Trying to load snappy in qemu kvm on my Celeron 1307U running 32-bit Ubuntu 14.04 desktop OS, I run: $ kvm-ok INFO: /dev/kvm exists KVM acceleration can be used $ wget ...
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174 views

Changing the keyboard layout in Snappy Ubuntu

I installed Ubuntu on a usb-stick for an x86 using these instructions from https://developer.ubuntu.com/en/snappy/start/ wget http://releases.ubuntu.com/15.04/ubuntu-15.04-snappy-amd64-generic.img.xz ...
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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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64 views

How to build Snappy Ubuntu Core from source to binary?

I followed the link below and run the Snappy on my Intel platform. Try_x86 The system can boot and works works okay. I know this is a generic image for x86 platform and must contain some ...
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85 views

How to port Ubuntu core or Ubuntu snappy 32 bit on sd card?

I am trying to port ubuntu core i386 on memory card, so that it can boot on Intel Galileo.I need docker container support on top of Intel Galileo hence using Ubuntu Snappy core OS. Can some one ...
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1answer
766 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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1answer
36 views

Is it possible to use a lib included in a framework in a snap in Ubuntu Core?

I'm trying to use ROS on Ubuntu Core. I have followed this example to understand how to do it, but I want to follow a slightly different approach. My aim is to create a framework for the main feature ...
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2answers
400 views

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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1answer
143 views

Updated and now network eth0 missing

I'm running Ubuntu 14.04. This morning I had no Ethernet connectivity after I resumed the computer (showing as Disconnected). I have the latest updates installed, but I've tried booting into older ...
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2answers
131 views

Trying to change file in recovery mode and getting “E138 can't write viminfo file”

I need to change a file (10-evdev.conf) while I am in recovery mode. However, I am getting this message: E138 Can't write viminfo file /root/.viminfo! What should I do in this situation?
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368 views

How do I get Ubuntu Snappy started using KVM?

I'm trying to get a virtual image of Snappy started using KVM. Launch Snappy locally with KVM on Linux Found a nice and simple howto Launch Snappy locally with KVM on Linux Completed the following ...
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51 views

Unable to boot Snappy Core 15.04 up

I'm trying to run Ubuntu Snappy Core 15.04 on my 64bit notebook, I followed the instructions mentioned here wget http://releases.ubuntu.com/15.04/ubuntu-15.04-snappy-amd64-generic.img.xz unxz -c ...
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1answer
43 views

Publish Snappy Apps Programtically

Is it possible to publish Ubuntu open source snappy apps programmatically? I would love to be able to publish a new version of the app in my CI system, when I push a new tag. Is this currently ...
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151 views

Can't load Windows 10 on fast boot setting

I updated to windows 10 a week ago. For class purposes, I needed to install ubuntu. I installed ubuntu 14.04, but then had to delete it for some reason. I deletrd the Linux partition feom windows ...
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49 views

Troubleshoot Beabglebone Black Rev C Networking issues

We just built the snappy Ubuntu image (stable) in the SD card of our BBB, but when we boot it connectivity problems appear. The BBB is not establishing an IP address in its interface. Using command ...
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2answers
109 views

Cannot login Ubuntu Core

I followed the install instructions for installing Ubuntu Core on VMWare. I created the iso and I actually see my hostname has changed. But when I try to login from the console with ubuntu/mypassword ...