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.

Filter by
Sorted by
Tagged with
1
vote
0answers
19 views

No Apt found after installing 64-bit Ubuntu core 18.04 on Raspberry Pi 3B+

I tried to install the 64 bits Ubuntu core onto my Raspberry Pi 3B+ this morning using Raspberry Pi Imager to burn the image to the microSD card. However, after booting and all the first time ...
0
votes
0answers
51 views

Ubuntu Core SSH Through Ubuntu on Windows Requires Password

I successfully was able to SSH into my RPi running Ubuntu Core 18.04 installed on a desktop running Ubuntu 16.04. When I attempt to do the same thing on a machine using Ubuntu for Windows 10 after ...
1
vote
0answers
15 views

using ubuntu core on a raspberry pi as a systems integrator

Our company is planning to use embedded raspberry pi boards with Ubuntu core in a product integration. After going through initial setup of the raspberry pi unit, I'm very concerned that this setup ...
1
vote
0answers
31 views

Delete users on Ubuntu Core

I created a user on my Ubuntu Core distribution with ssh key and without password. But a few days later, Ubuntu ask me a password to connect (even if I didn't specify a password before). So to ...
1
vote
1answer
55 views

Neither able to boot ubuntu 20.04, nor able to reinstall from live usb

I am new to linux. I just baught Dell Vostro 15 3580 and I had windows 10 installed on it. I installed ubuntu 20.04 from usb. But now whenever I start my laptop , in first attempt the Dell logo doesn'...
0
votes
0answers
10 views

IoT Simulation using Ubuntu Core

Is it possible to simulate an IoT device using an Ubuntu Core in VirtualBox? I am a beginner in this field and after some research, I was not able to find any such projects which was done earlier ...
0
votes
0answers
14 views

is there any application on Ubuntu to track which app consuming how much data in real time?

I am Using Ubuntu 20.04. I want to see which application consuming how much data while Internet connection ? Is there any application on snap or ubuntu repository for tracking data uses for ...
0
votes
1answer
99 views

18.04 Core: RaspberryPi 4 install requires SSH key to add to SSO

Noob here to the ssh world. I'm trying to install Ubuntu Core 18.04 LTS on a new Raspberry Pi 4; I flashed a copy of the image from raspberry pi's site. Instructions say I need a SSH key , but I can'...
1
vote
0answers
31 views

How to install .NET Core 3 application on pure Ubuntu Core Snappy

I have a pure Ubuntu Core Snappy build running on a Raspberry Pi 3. My new requirement is a to add a C# application based on .NET Core 3. I can't find an existing Snap supporting .NET Core 3 and a ...
0
votes
0answers
51 views

Is it possible to run Windows on Ubuntu Core?

I want to run diverse Windows Softwares on a PC which runs Ubuntu Core. After that I want to access the API of the Software My thoughts to make this happen are: Install Windows with the necessary ...
0
votes
1answer
41 views

Ubuntu Core 18 on NUC6CAYH

I’m new on ubuntu core. I read the manual to install ubuntu core 18 on NUC But in the manual, there is no certifeid for NUC6CAYH. Does that mean ubuntu core is not compatible with NUC6CAYH? or what ...
1
vote
1answer
95 views

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 ...
0
votes
1answer
25 views

jenkins slave agent on ubuntu core

My Jenkins Master is hosted on a non windows machine and I want to run my Jenkins slave/agent on Ubuntu core 16, but to run a slave/agent on Ubuntu core we need java to be installed in ubuntu core. ...
0
votes
1answer
59 views

Ubuntu Core 16 on <no ip address> (tty1) after reboot

I'm experimenting this error when Ubuntu Core automatically reboot after a couple of minutes after being activated for the first time, both with DHCP or Static IPv4 configuration DONE: Ubuntu Core ...
1
vote
0answers
45 views

How to setup TPM in Dell Edge Gateway 3003 with Ubuntu Core 16?

Currently I am try to configure TPM in Dell Edge Gateway 3003 with Ubuntu Core 16. I have facing some problem gpg key Id generating time. I try to generate key ID for using this command: gpg --no-...
1
vote
0answers
182 views

18.04: Can't install docker in offline mode using snap

How do I install docker using snap without an internet connection. I have installed Ubuntu using Multipass. My OS details: root@docker:/home/ubuntu/microk8s# hostnamectl Static hostname: docker ...
1
vote
1answer
68 views

Ubuntu Core as Hyper-V virtual machine image

As Ubuntu Core can be installed on an Intel® NUC, is there any possbility to make it run as Hyper-V virtual machine to play around with it?
0
votes
0answers
45 views

Why some snaps are not showing in the store?

For instance, if I search for "League of Legends" both snapcraft site and software center (desktop app), returns nothing. I found it via google by chance. https://snapcraft.io/leagueoflegends I'm ...
0
votes
0answers
21 views

Ubuntu Can't turn on, only flashed the logo

I have problems with my Ubuntu for sometime, but everytime I managed to fix it through recovery mode, this time it is different, because it is stuck on the flashing logo with some fails that show up. ...
0
votes
0answers
19 views

Ubuntu Core DDNS arm64

I'm running ubuntu core 18 on a dragonboard 410c (arm64). I would like to use it a nextcloud host. I would like to use cloudflare (as I could not find an alternative service that worked as well) for ...
0
votes
1answer
39 views

Problem installing ubuntu core on RPi3

I recently downloaded Ubuntu core from the official Ubuntu site (26/01/20) as I am trying to install Ubuntu core on my Raspberry Pi 3+ for my first time ever. I have setup an Ubuntu account and ...
0
votes
0answers
13 views

Ubuntu System start-up

I was fixing a problem with youtube-dl I installed Python 2 and python 3 Then, I installed Python 3 when I opened the bin folder it was empty. When I restarted the lab it turn the following line in ...
1
vote
1answer
52 views

Ubuntu image for Pine64

Where could I get an Ubuntu image for the Pine64? In the download page of the Ubuntu website, there are a number of variants of images from raspbery Pi to Intel NUC, etc. But I could not find any ...
1
vote
1answer
63 views

Was installing Ubuntu and I pressed quit in between and now am stuck in some command line

I was trying to install Ubuntu and in on the screen where you decide partitions .I clicked on quit and now I am stuck on some command line and nothing is happening. pls help
0
votes
1answer
20 views

Ubuntu Core and printer access

Testing Kiosk installations/configurations on Ubuntu Core. Can a snap gain access to an attached printer on Ubuntu Core installation directly or via any means?
0
votes
1answer
91 views

Ubuntu Core - Network Tools

I need to know which network tool i can use to grasp network informations, such as interface configured, open ports, TCP/UDP traffic in Ubuntu Core! I can't use netstat, ifconfig, lsof and so on .... ...
1
vote
1answer
75 views

How to print from a kiosk app on Ubuntu Core 18 to an attached usb printer?

I am new to Ubuntu Core and Snaps so please bare with me. I believe I am missing a body of knowledge in understanding how snaps work and interact with one another. Have read up on snap Interfaces/...
0
votes
0answers
230 views

No hardware acceleration in kiosk snap using Ubuntu Core

When building an Electron kiosk snap based on this tutorial, I get no hardware acceleration on an Intel Compute Stick on Ubuntu Core 18 using any Electron version with Chromium version > 73 (i.e. ...
1
vote
2answers
209 views

Ubuntu Core 18 - How install snapcraft?

I'm looking for the right method to install snapcraft on Ubuntu Core 18. I've tried it with the command: sudo snap install snapcraft but I get the error: error: snap "snapcraft" requires classic ...
2
votes
1answer
183 views

Is it possible to install MicroK8s on Ubuntu core 18?

Ubuntu Core 18 has snap built in, when trying to install it I get the following error: $ sudo snap install microk8s error: snap "microk8s" requires classic confinement which is only available on ...
1
vote
1answer
34 views

How to sign snaps without pushing or pushing it to snap store?

I am creating a snap for my software but until now I've been using --devmode or --dangerous flag to snap install. Now, I would like to sign it, but I can't find something like step-by-step or tutorial ...
0
votes
1answer
90 views

Ubuntu Core container runtime

I would like to use Ubuntu Core with CSPs (Cloud Service Providers) See Canonical's announcement: https://ubuntu.com/blog/snappy-ubuntu-core-now-on-aws As many organizations would be using it with ...
0
votes
1answer
257 views

internet disconnected while installing hadoop 3.1.3 on 19.10 missing depenedcies

I had to install Hadoop on ubuntu 19.10 I had started the installation after some time it started downloading packages etc and connecting things from internet. I had left my laptop. I went to ...
1
vote
0answers
577 views

dotnet Core 3 runtime snap not found in Ubuntu Core

I have a .Net Core 3 console app published for linux-x64. I want to run it on Ubuntu Core 18. I have installed the dotnet-runtime-30 Snap and aliased it like on this question. When run the binary ...
0
votes
1answer
127 views

How to factory reset Ubuntu Core 18

I am looking to use Ubuntu Core 18 as the OS for a Raspberry Pi IoT device. Looking to have a factory reset function in case the thing does screwy. What would be the best way to accomplish this? Is ...
2
votes
1answer
208 views

Migrating from Raspbian to Ubuntu Core & Snaps

We are investigating moving an IoT device that currently runs on Raspbian on RaspberryPi over to Ubuntu Core and Snaps. There are a number of devices already in the field in disparate locations and ...
0
votes
0answers
45 views

Stuck with blank screen on Raspi 3+

I can not login to the system anymore. This happened probably after a update without any interaction on the machine. After power off and on again I can see the Ubuntu-Core logo for some time and ...
0
votes
1answer
1k views

Ubuntu Core on Pi 4

I'm doing a project with a Pi for an IoT solution. I'd really like to go for the Pi4, but when will Core be released for Raspberry Pi 4? I know about the unofficial build, but as this is a commercial ...
0
votes
0answers
109 views

Load wifi driver module in Ubuntu Core

I have a computer running Ubuntu Core 18 with a usb wifi dongle. I've found a driver for the wifi adapter and, after I've compiled it, I have a .ko file. How do I add the module to my system? Or, ...
1
vote
1answer
38 views

Is it possible to fully automate the kvm install of ubuntu-core (ie without any terminal prompts)

When I follow the ubuntu-core install instructions for kvm, and run the step: kvm -smp 2 -m 1500 \ -netdev user,id=mynet0,hostfwd=tcp::8022-:22,hostfwd=tcp::8090-:80 \ -device virtio-net-pci,...
0
votes
0answers
401 views

Ubuntu Core vs Minimal Ubuntu vs Ubuntu Server [duplicate]

Which Ubuntu between these three is the best to be used for an embedded system? What are the differences between these three? Minimal Ubuntu - Not the minimal installation, the cloud release, with ...
0
votes
2answers
181 views

ubuntu-core 18 Certificate authority - mkdir: cannot create directory /etc/ssl/CA

Im following this tutorial https://help.ubuntu.com/lts/serverguide/certificates-and-security.html#creating-a-self-signed-certificate this works fine in ubuntu 18 but not in ubuntu-core 18. Im trying ...
0
votes
1answer
85 views

find: File system loop detected; '/snap/core18/1144' is part of the same file system loop as '/' Ubuntu Core OS

Sudo find / -iname ".demoCA' -type d fails with these error messages find: File system loop detected; ‘/snap/core18/1144’ is part of the same file system loop as ‘/’. find: File system loop detected;...
0
votes
1answer
260 views

Ubuntu Core 18 - nano editor permission denied for /etc/netplan/config.yaml

Using ubuntu core trying to edit netplan config in /etc/netplan/00-snapd-config.yaml This command sudo nano /etc/netplan/00-snapd-config.yaml Outputs [ Error reading /etc/netplan/00-snapd-config....
0
votes
0answers
26 views

Initramfs error regarding

I have an issue which is related to ubuntu initramfs ,i opened my laptop lenevo Thinkpad e470 then only open a screen and which is initramfs how can I fix it
1
vote
0answers
42 views

Ubuntu Core: Is it possible to use an external encrypted file system?

I am playing with a Raspberry Pi 3 and Ubuntu Core. One of the requirements I have for taking it into a more serious use, is the capacity to manage encrypted drives, like mounting them during the boot ...
1
vote
1answer
3k views

GUI to Control fanspeed in Ubuntu?

is there any GUI Software to control fanspeeds in Ubuntu 18.04?
0
votes
0answers
20 views

Sharing internet from SIM card over ethernet

I'm trying to share the internet connection I get from a SIM card trough ethernet. The first step was enabling the SIM interface (ppp0). It was easy by following this guide. Now I'm missing the ...
1
vote
0answers
25 views

Start another application and access ioio ports from a snap application with strict confinement

I built two applications using snapcraft(say snap1 and snap2) with confinement as devmode. snap1 is a simple daemon application which starts snap2(not a daemon) and both work normally. I’m ...
0
votes
0answers
125 views

Ubuntu CLI on intel Atom N2600 not working

I have some small low-server devices (they are designed for IoT but have enough power). Their configuration is: Intel Atom N2600 1.30Ghz -> most probably the guilty 4GB of RAM 8GB of SSD storage ...

1
2 3 4 5
11