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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Trouble SSHing into Raspberry Pi with Passwordless SSH Key on Ubuntu Core 20
I have successfully created a bootable Ubuntu Core 20 SD card using Raspberry Pi Imager. I generated an SSH key using PuTTY Key Generator without a password and added it to my Ubuntu account's SSH key ...
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cannot write a remotely mounted file
Before opening my nextcloud server to the internet i'm trying to harden its security by configuring its sshd_config file.
Its a ubuntu core server so i can edit files only through sshfs.
The thing is, ...
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Snap binary override by binary placed in /snap/bin
I moved a geckodriver binary to the /snap/bin directory. Now, after a reboot, my snap binary isn't working, and it seems that the geckodriver override the binary.
Now with more details:
Basically I ...
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Ubuntu Core 22 installation stuck on raspberry pi4 B
My Raspberry Pi 4 is stuck at this point while installing Ubuntu Core 22 as shown in the attached image.
I waited for about 2 hours, but cannot see any progress. I wrote the Ubuntu Core image using ...
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Can't attach canonical-livepatch with my token
I just successfully installed and configured an Ubuntu Core 18 image for Intel Dawson Canyon and June Canyon NUC by following this official guide to run (mainly) my Nextcloud instance.
The choice of ...
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Learning how to use Snapcraft
I have started a project to create handy network sensor that can be deployed in locations where physical security may be lax/ non-existent. The goal is to design a device that uses Ubuntu Core for (...
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username/password for ubuntu cloud image in virtualbox
I have downloaded ubuntu cloud 22.04 ova image from below link and started the same in virtualbox 7
https://cloud-images.ubuntu.com/jammy/current/
On boot up it asks for username/password as shown ...
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Provide self-signed SSL certificate for first boot of Ubuntu Core 20 on KVM
I want to try out Ubuntu Core 20 on KVM, running on my Ubuntu 22.04.2 LTS Desktop. I am in my company network which means I need to use a self-signed SSL certificate in order to login with my app ...
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Ubuntu core - Difference between snap set and direct change in filesystem
Ubuntu core has some configuration options. I do not understand what is the difference when I configure system through this "snap set" or directly in /etc folder? (e.g. netplan can be ...
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Ubuntu-Core Desktop/Raspberry Pi
I have "snapped" Core22-desktop to an RPI but how is is executed?
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Ubuntu-Core Password
So, I believe I had done everything correctly as outlined in the following:
ssh-keygen to create private and public keys in ~/user/.ssh, id-rsa and id_rsa.pub files created. Password was created for ...
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Ubuntu-Core Profile Screen
Complete profile screen:
I have partially installed Ubuntu Core and have registered my email with Ubuntu. But now I am at a screen to complete the profile. Searching for a solution has been ...
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Lost SSH access to ubuntu snappy core
I have ubuntu snappy core installed on my dragonboard.
I set it up using SSO.
It worked fine to ssh to the dragonboard from the desktop computer with ssh keys and no password.
Suddenly after years, ...
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Can I use Nvidia GPU on ubuntu-core-22 and use ubuntu-frame for display?
I have a computer with an Nvidia GT 1030 graphics card, and I'm trying to use ubuntu-frame to display a simple website. Initially, the prompt is displayed without any issues. However, when I attempt ...
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Does Ubuntu Core support LVM?
My initial try at Ubuntu Core got me surprised by the lack of LVM (Logical Volume Manager) commands. The Snap store doesn't seem to have anything either.
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Ubuntu Core 20 won't boot on amd64 machine
I'm trying to install Ubuntu Core 20 (custom model) on a Dell Wyse 3030LT box, but I'm having trouble booting it. I can boot Ubuntu Desktop fine to write the image to the machine's internal storage, ...
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Web server on Ubuntu core 22
I started development for ubuntu core. I want to host my php web app on the ubuntu core. The problem is that it is snap based OS an I can't install apache2 and other packages what i need to host my ...
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Ubuntu Core 22 64 bit - Raspberry Pi 4 - SSD boot loop (full Ubuntu boots fine)
I'm using Raspberry Pi imager to write the provided images to SDCard/HD/SSD
Raspberry Pi 4 eeprom is upgraded to the latest version, and no sdcard is present during the issue.
Booting Ubnt Core 22 ...
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Installed ubuntu-frame with wpe-webkit-mir-kiosk and only get a gray screen
I followed the (relatively simple) instructions in official documentation to install a web kiosk on a ubuntu-core 22 raspberry pi4.
I only get a gray image and can't set the website to display. It ...
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Unable to ssh into ubuntu core on NUC
I have installed Ubuntu Core (ubuntu-core-22-amd64.img.xz) on a NUC. Using these instructions: https://ubuntu.com/core/docs/install-nuc.
When I get the screen, which is similar to when I have ...
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Error finding matching public key for signature with ubuntu-image device
I am following the tutorial for creating a Ubuntu Core image on the Ubuntu website and getting an error. Here is the link to the instructions:
https://ubuntu.com/core/docs/create-model-assertion
The ...
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How do I copy firmware to /lib/firmware in Ubuntu Core 22 LTS?
My problem is with Ubuntu Core 22 LTS. It's running on my rasp3b+ with tvheadend. My terratec h7 needs a firmware file that I have on hand. My problem is that I can't copy the firmware file to `/lib/...
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How to build Snap including multiple directories and files in Snapcraft.yaml
Is there a example in https://github.com/snapcrafters that would show how to add multiple directories and files as part of the snapcraft build?
I have an entire directory tree that would need to be ...
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How to perform unattended install of Ubuntu Core from USB flash drive
There is a way to setup Ubuntu Server unattended install by creating a custom ISO file with instructions in preseed and programming this on a USB flash drive to install Ubuntu Server on a industrial ...
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How to install Ubuntu Core (2 versions) into separated hard drives
I want to install 2 Ubuntu core distributions to 2 separated hard drives in one PC.
I tried but there is only one distribution shown in the boot sequence menu.
How can we change the file /boot/grub/...
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How to force synchronization of SSH autherized keys from Ubuntu One account to Ubuntu Core IoT device
I added a few more SSH keys to the Ubuntu One account (https://login.ubuntu.com/ssh-key).
Now, I want to make sure that these key are now sent down to the IoT devices that have Ubuntu Core installed ...
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108
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Error using pciutils.lspci on Ubuntu Core
I have installed Ubuntu Core on a IoT device and I am going through a number of steps to figure out why a cellular modem is not being detected on it with modem manager.
I want to run the lspci command,...
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Docker permission errors on Ubuntu Core
After installing Docker Snap on Ubuntu Core I can build and run Docker containers. However, I'm forced to use sudo for all the Docker commands, otherwise I get the following error:
user@ubuntu:~$ ...
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I'm having trouble installing CORE network emulator on Ubuntu 22.04.2 LTS running on UTM in a Mac m1 [duplicate]
Problem:
sudo apt-get install quagga quagga-doc \
openssh-server isc-dhcp-server isc-dhcp-client \
vsftpd apache2 tcpdump radvd at ucarp openvpn \
ipsec-tools racoon traceroute mgen wireshark \
...
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What is the implementation of Docker on Ubuntu Core in terms of Snap sandbox instance [closed]
I installed the Docker Snap on Ubuntu Core using the following commands:
sudo snap install docker
I have been able to create create a Dockerfile and a docker-compose.yaml file to build a image using ...
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Error reading /etc/hosts using nano-strict on Ubuntu Core
I'm doing some development work with Ubuntu Core and IoT Management. Since I am used to using nano on Ubuntu Server I decided to install it and use it on Ubuntu Core with the following commands:
snap ...
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Is Ubuntu Core 22.04.1 Real Time not avaliable for personal use?
I've recently deployed the Ubuntu Core 22 Real time OS into a raspberry pi 4 in order to deploy an application using the real time feature they announced recently. When I run $uname -a I can not see ...
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When SSHed into Ubuntu Core how to know which container running from
I setup a Ubuntu Core 22 IoT device and I was able to SSH into it.
Since Ubuntu Core is a container operating system ,I wanted to know if I am SSHed into the device which container is my SSH session ...
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Is an Ubuntu One account necessary for Ubuntu Core?
I have been installing both Ubuntu Server 22 and Ubuntu Core 22 over the last two months in order to learn more details about it.
One of the main difference I see is that when I install Ubuntu Core it ...
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Ubunto Core 22.04 Raspberry pi - linux-modules-extra-raspi
I have Ubuntu Core on a raspberry pi 4 and installed microk8s via snap.
I see regular errors in calico:
"panic: runtime error: invalid memory address or nil pointer dereference"
A bit of ...
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Ubuntu Core and Docker like networking
Does Ubuntu Core and Snaps (containers) allow for the flexibility that Docker networking allows, such as:
default docker bridge
user defined bridge
deploying containers to host networking
MACVLANs (...
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Ubuntu Core on Raspberry Pi 4 Install Configuration Too Fast
I'm trying to install Ubuntu Core 22 (and I tried 20 as well) on a Raspberry Pi 4, but am being faced with a super fast reset on the install configuration console. I have about 5 seconds after the ...
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Ubuntu Core 20 Nano: Premission Denied
I have been trying to get nano to work, but I keep running into permission denied problems where vim (vi) works.
I have downloaded 2 versions of nano
sudo snap install nano-strict following this guide:...
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Ubuntu Core viewing all IoT onboarded devices
I installed Ubuntu Core 20 and Ubuntu Core 22 on two separate devices on my network. I can SSH into these devices easily.
Before this I setup a Ubuntu One account and uploaded an SSH key. From ...
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Ubuntu Core 20 ModemManager no modem detected after reboot
I setup a new device, Lenovo ThinkCentre SE30, and it came with Ubuntu Core 20 installed by the OEM. It has a cellular modem and I put a SIM in it. After the device started up I SSH's into it and ...
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Find device Ubuntu Core 20 image to reinstall
I am using a device that is the Lenovo ThinkEdge SE30. It came with Ubuntu Core 20. I want to reinstall this image on the device.
When I check the properties of it I see the following:
The "...
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Ubuntu Core Kiosk wpe-webkit-mir-kiosk
I managed to get a Ubuntu Core-based kiosk working with a full-screen web-browser by following this tutorial: https://mir-server.io/docs/make-a-secure-ubuntu-web-kiosk
I used the ubuntu-frame and wpe-...
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Fail to login with Ubuntu One to Ubuntu Core 22
I fail to connect from a WSL2 default Ubuntu installation to a RPi Ubuntu Core 22 20220610.2. Download Link (and also from any other ubuntu version). It keeps asking me for a password. What password ...
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Ubuntu Core - "EFI sub: Loaded initrd from LINUX_EFI_INITRD_MEDIA_GUID device path"
First of all, I'm new to Linux in general. I did try searching on here but was unable to find anything, but then again, I'm also relatively new to using SO other than stumbling across here via Google. ...
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Is this a LivePatch bug in Ubuntu 22.04
I've just tried the command line approach again. Here are the results:
arno@arno-PC:~$ sudo pro detach [sudo] password for arno: Are you sure? (y/N) Y This machine is now detached. arno@arno-PC:~$ ...
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Can we install .deb package on Ubuntu Core OS 16 version
Can we install .deb package on Ubuntu Core OS 16 version
Is it supported and recommended.
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no sound on ubuntu core on raspberry pi 4b
I just installed default image from imager - ubuntu core 22 32bit, but the same problem is with ubuntu core 20 32bit - on Raspbery Pi 4b. I cannot get the sound working. It has the default config.txt ...
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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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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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snap mounted `core20` as media
When I logged in today there was an icon in the dock that looks like I had plugged in an external drive.
After some investigation i found out that this is
$ mount | grep media
/var/lib/snapd/snaps/...
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