https://canonical.com/blog/canonical-launches-ubuntu-core-26
Canonical launches Ubuntu Core 26 | Canonical
Experience Ubuntu Core 26 with features for CRA-readiness and precision builds from Canonical. Explore the highlights to see what's new.
ubuntu corecanonicallaunches
https://ubuntu.com/engage/yocto-buildroot-to-ubuntu-core
From Yocto & Buildroot to Ubuntu Core 20 | Ubuntu
The path to enterprise-grade embedded Linux
ubuntu coreyoctobuildroot
https://canonical.com/case-study/elementary-ai-machine-vision
Elementary scales AI machine vision solutions with Ubuntu core | Canonical
With Ubuntu Core, Elementary scales its AI machine vision solutions and cuts provisioning time from 1 day to 20 minutes. Find out how in this case study.
ai machine visionubuntu coreelementaryscalessolutions
https://iso.qa.ubuntu.com/qatracker/milestones/474/builds/340505/testcases/1318/results
Ubuntu Core Image Smoke Test in Ubuntu Base amd64 in Questing Beta (archived) | Ubuntu QA
ubuntu coresmoke test
https://cdimage.ubuntu.com/experimental/ubuntu-core-desktop/
Index of /experimental/ubuntu-core-desktop
index ofubuntu coreexperimentaldesktop
https://iso.qa.ubuntu.com/qatracker/milestones/434/builds/355563/testcases
Ubuntu Core Pi arm64 dangerous-edge testcases in Ubuntu Core 22 Daily (archived) | Ubuntu QA
ubuntu core
https://cdimages.ubuntu.com/ubuntu-core-installer/daily-live/?C=S;O=A
Index of /ubuntu-core-installer/daily-live
index ofubuntu coreinstallerdailylive
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/340049/downloads
Download links for Ubuntu Core Pi arm64 dangerous-edge | Ubuntu QA
download linksubuntu corepidangerousedge
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/340614/downloads
Download links for Ubuntu Core amd64 dangerous-edge | Ubuntu QA
download linksubuntu coredangerousedgeqa
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/341467/testcases
Ubuntu Core amd64 dangerous-edge testcases in Ubuntu Core 20 Daily (archived) | Ubuntu QA
ubuntu coredangerousedge
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/341695/testcases
Ubuntu Core amd64 dangerous-edge testcases in Ubuntu Core 20 Daily (archived) | Ubuntu QA
ubuntu coredangerousedge
https://mirror.yandex.ru/ubuntu-cdimage/ubuntu-core/22/stable/20230717.2/HEADER.html
Ubuntu Core 22 (stable) Daily Build
CD images for Ubuntu Core 22 (stable) Daily Build
ubuntu corestabledailybuild
https://iso.qa.ubuntu.com/qatracker/milestones/476/builds/355445/testcases
Ubuntu Core Pi arm64 stable testcases in Resolute Daily (archived) | Ubuntu QA
ubuntu corepistable
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/316509/downloads
Download links for Ubuntu Core Pi armhf dangerous-edge | Ubuntu QA
download linksubuntu corepiarmhfdangerous
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/340848/downloads
Download links for Ubuntu Core amd64 dangerous-edge | Ubuntu QA
download linksubuntu coredangerousedgeqa
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/341331/testcases
Ubuntu Core amd64 dangerous-edge testcases in Ubuntu Core 20 Daily (archived) | Ubuntu QA
ubuntu coredangerousedge
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/341612/testcases
Ubuntu Core Pi arm64 dangerous-edge testcases in Ubuntu Core 20 Daily (archived) | Ubuntu QA
ubuntu core
https://documentation.ubuntu.com/core/explanation/system-snaps/bluetooth/bluetooth-snaps/
Add Bluetooth to snaps - Ubuntu Core documentation
Apr 20, 2026 - Add Bluetooth to snaps on Ubuntu Core. Configure snap plugs for bluez and bluetooth-control interface access.
ubuntu coreaddbluetoothsnapsdocumentation
https://iso.qa.ubuntu.com/qatracker/milestones/464/builds/326079/downloads
Download links for Ubuntu Core amd64 edge | Ubuntu QA
download linksubuntu coreedgeqa
https://iso.qa.ubuntu.com/qatracker/milestones/466/builds/327179/testcases/1318/results
Ubuntu Core Image Smoke Test in Ubuntu Base armhf in Plucky Daily (archived) | Ubuntu QA
ubuntu coresmoke test
https://ubuntu.com/blog/tag/ubuntu-core-desktop
Ubuntu Core Desktop | Ubuntu
Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things.
ubuntu coredesktop
https://iso.qa.ubuntu.com/qatracker/milestones/429/builds/320808/testcases/1318/results
Ubuntu Core Image Smoke Test in Ubuntu Base arm64 in Jammy Daily (archived) | Ubuntu QA
ubuntu coresmoke test
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/339840/testcases
Ubuntu Core Pi armhf dangerous-edge testcases in Ubuntu Core 20 Daily (archived) | Ubuntu QA
ubuntu core
https://documentation.ubuntu.com/real-time/latest/how-to/uc-install-real-time-kernel/
How to install the real-time kernel on Ubuntu Core - Real-time Ubuntu documentation
Apr 8, 2026 - Enable and install the real-time kernel on your system, with guidance for different Ubuntu editions.
how to installthe realubuntu core
https://documentation.ubuntu.com/core/contributing/local-development/
Local development - Ubuntu Core documentation
May 6, 2026 - Learn how to set up your local environment, build the docs, then test and submit contributions to Ubuntu Core documentation.
local developmentubuntu coredocumentation
https://discourse.ubuntu.com/t/enable-livepatch-client-on-ubuntu-core/80799
Enable Livepatch Client on Ubuntu Core - Livepatch - Ubuntu Community Hub
Apr 23, 2026 - Canonical Livepatch supports live kernel patching on Ubuntu Core machines. Livepatch is supported on Core20+ for amd64 and Core26+ for arm64 architectures....
ubuntu coreenablelivepatchclientcommunity
https://documentation.ubuntu.com/core/tutorials/
Tutorials - Ubuntu Core documentation
Apr 21, 2026 - Get started with Ubuntu Core. These tutorials guide you through exploring pre-built images and building your own custom images for your hardware.
ubuntu coretutorialsdocumentation
https://iso.qa.ubuntu.com/qatracker/milestones/434/builds/355563/downloads
Download links for Ubuntu Core Pi arm64 dangerous-edge | Ubuntu QA
download linksubuntu corepidangerousedge
https://cdimage.ubuntu.com/ubuntu-core/?C=D;O=A
Ubuntu Core 16
ubuntu core
https://ubuntu-archive-team.ubuntu.com/seeds/ubuntu-core.bionic/?C=N;O=A
Index of /seeds/ubuntu-core.bionic
index ofubuntu coreseedsbionic
https://ubuntu-archive-team.ubuntu.com/seeds/ubuntu-core.bionic/?C=S;O=A
Index of /seeds/ubuntu-core.bionic
index ofubuntu coreseedsbionic
https://iso.qa.ubuntu.com/qatracker/milestones/476/builds/355569/testcases
Ubuntu Core Pi arm64 dangerous-stable testcases in Resolute Daily (archived) | Ubuntu QA
ubuntu core
https://iso.qa.ubuntu.com/qatracker/milestones/434/builds
Ubuntu Core 22 Daily | Ubuntu QA
ubuntu coredailyqa
https://iso.qa.ubuntu.com/qatracker/milestones/429/builds/321625/testcases/1318/results
Ubuntu Core Image Smoke Test in Ubuntu Base riscv64 in Jammy Daily (archived) | Ubuntu QA
ubuntu coresmoke test
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/355551/downloads
Download links for Ubuntu Core Pi armhf dangerous-edge | Ubuntu QA
download linksubuntu corepiarmhfdangerous
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/287030/downloads
Download links for Ubuntu Core Pi arm64 dangerous-edge | Ubuntu QA
download linksubuntu corepidangerousedge
https://iso.qa.ubuntu.com/qatracker/milestones/429/builds/314398/testcases/1318/results
Ubuntu Core Image Smoke Test in Ubuntu Base armhf in Jammy Daily (archived) | Ubuntu QA
ubuntu coresmoke test
https://mirror.yandex.ru/ubuntu-cloud-images/snappy/HEADER.html
Ubuntu Core Cloud (Snappy)
ubuntu corecloudsnappy
https://cdimage.ubuntu.com/ubuntu-core/22/dangerous-edge/pending/?C=D;O=A
Ubuntu Core 22 (dangerous edge) Daily Build
CD images for Ubuntu Core 22 (dangerous edge) Daily Build
ubuntu coredangerousedgedailybuild
https://iso.qa.ubuntu.com/qatracker/milestones/429/builds/320898/testcases/1318/results
Ubuntu Core Image Smoke Test in Ubuntu Base amd64 in Jammy Daily (archived) | Ubuntu QA
ubuntu coresmoke test
https://iso.qa.ubuntu.com/qatracker/milestones/476/builds/355561/downloads
Download links for Ubuntu Core amd64 edge | Ubuntu QA
download linksubuntu coreedgeqa
https://documentation.ubuntu.com/core/
Ubuntu Core documentation
Official Ubuntu Core documentation. Comprehensive guides, references, and explanations for building, deploying, and managing Ubuntu Core images and devices.
ubuntu coredocumentation
https://iso.qa.ubuntu.com/qatracker/milestones/429/builds/319989/testcases/1318/results
Ubuntu Core Image Smoke Test in Ubuntu Base ppc64el in Jammy Daily (archived) | Ubuntu QA
ubuntu coresmoke test
https://documentation.ubuntu.com/core/tutorials/try-pre-built-images/use-raspberry-pi-imager/
Use Raspberry Pi Imager - Ubuntu Core documentation
Apr 20, 2026 - Install Ubuntu Core on Raspberry Pi using Raspberry Pi Imager. Write pre-built images to microSD cards easily and quickly.
raspberry pi imagerubuntu coreusedocumentation
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/339979/downloads
Download links for Ubuntu Core Pi armhf dangerous-edge | Ubuntu QA
download linksubuntu corepiarmhfdangerous
https://cdimage.ubuntu.com/ubuntu-core/18/edge/
Index of /ubuntu-core/18/edge
index ofubuntu coreedge
https://cdimage.ubuntu.com/ubuntu-core/20/beta/current.old/?C=N;O=D
Ubuntu Core 20 Beta
CD images for Ubuntu Core 20 Beta
ubuntu corebeta
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/355551/testcases
Ubuntu Core Pi armhf dangerous-edge testcases in Ubuntu Core 20 Daily (archived) | Ubuntu QA
ubuntu core
https://iso.qa.ubuntu.com/qatracker/milestones/434/builds/355564/testcases
Ubuntu Core Pi armhf dangerous-edge testcases in Ubuntu Core 22 Daily (archived) | Ubuntu QA
ubuntu core
https://cdimage.ubuntu.com/ubuntu-core/22/dangerous-edge/?C=M;O=A
Index of /ubuntu-core/22/dangerous-edge
index ofubuntu coredangerousedge
https://iso.qa.ubuntu.com/qatracker/milestones/450/builds/354320/testcases/1318/results
Ubuntu Core Image Smoke Test in Ubuntu Base riscv64 in Noble Daily (archived) | Ubuntu QA
ubuntu coresmoke test
https://documentation.ubuntu.com/core/explanation/system-snaps/upower/
Upower - Ubuntu Core documentation
Apr 20, 2026 - Upower on Ubuntu Core. Monitor power devices and battery statistics for power management.
ubuntu coreupowerdocumentation
https://iso.qa.ubuntu.com/qatracker/milestones/476/builds/355445/downloads
Download links for Ubuntu Core Pi arm64 stable | Ubuntu QA
download linksubuntu corepistableqa
https://documentation.ubuntu.com/core/tutorials/try-pre-built-images/install-on-a-vm/
Install on a VM - Ubuntu Core documentation
May 19, 2026 - Install Ubuntu Core in a virtual machine with Multipass. Try pre-built images without dedicated hardware requirements.
install onubuntu corevmdocumentation
https://iso.qa.ubuntu.com/qatracker/milestones/476/builds/355547/downloads
Download links for Ubuntu Core amd64 stable | Ubuntu QA
download linksubuntu corestableqa
https://documentation.ubuntu.com/core/explanation/stores/brand-accounts/
Brand accounts - Ubuntu Core documentation
Apr 20, 2026 - Learn about brand accounts for Ubuntu Core. Manage dedicated snap stores with signing keys and device models.
ubuntu corebrandaccountsdocumentation
https://documentation.ubuntu.com/core/explanation/stores/dedicated-snap-store/
Dedicated snap store - Ubuntu Core documentation
Apr 20, 2026 - Understand dedicated snap stores. Control available snaps and releases with brand accounts and store scoping.
snap storeubuntu corededicateddocumentation
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/339977/downloads
Download links for Ubuntu Core amd64 dangerous-edge | Ubuntu QA
download linksubuntu coredangerousedgeqa
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/340179/downloads
Download links for Ubuntu Core Pi arm64 dangerous-edge | Ubuntu QA
download linksubuntu corepidangerousedge
https://cdimage.ubuntu.com/ubuntu-core/22/stable/
Index of /ubuntu-core/22/stable
index ofubuntu corestable
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/285649/downloads
Download links for Ubuntu Core Pi armhf dangerous-edge | Ubuntu QA
download linksubuntu corepiarmhfdangerous
https://documentation.ubuntu.com/core/explanation/system-snaps/udisks2/report-a-bug/
Report a Bug - Ubuntu Core documentation
Apr 20, 2026 - Report Udisks2 bugs on Ubuntu Core. File issues with system logs and diagnostic information.
report a bugubuntu coredocumentation
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/355549/testcases
Ubuntu Core amd64 dangerous-edge testcases in Ubuntu Core 20 Daily (archived) | Ubuntu QA
ubuntu coredangerousedge
https://ubuntu.com/engage/ubuntu-core-20-webinar
An introduction to Ubuntu Core 20 | Ubuntu
Improving usability, security and time-to-market
an introduction toubuntu core
https://ubuntu-archive-team.ubuntu.com/seeds/ubuntu-core.plucky/?C=N;O=D
Index of /seeds/ubuntu-core.plucky
index ofubuntu coreseedsplucky
https://iso.qa.ubuntu.com/qatracker/milestones/450/builds/339652/testcases/1318/results
Ubuntu Core Image Smoke Test in Ubuntu Base armhf in Noble Daily (archived) | Ubuntu QA
ubuntu coresmoke test
https://cdimages.ubuntu.com/ubuntu-core-installer/daily-live/?C=D;O=A
Index of /ubuntu-core-installer/daily-live
index ofubuntu coreinstallerdailylive
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/315885/testcases
Ubuntu Core Pi arm64 dangerous-edge testcases in Ubuntu Core 20 Daily (archived) | Ubuntu QA
ubuntu core
https://iso.qa.ubuntu.com/qatracker/milestones/429/builds/319388/testcases/1318/results
Ubuntu Core Image Smoke Test in Ubuntu Base amd64 in Jammy Daily (archived) | Ubuntu QA
ubuntu coresmoke test
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/299595/testcases
Ubuntu Core Pi armhf edge testcases in Ubuntu Core 20 Daily | Ubuntu QA
ubuntu corepiarmhfedgedaily
https://ubuntu.com/engage/casestudy-azlogica
AZLOGICA utilise Ubuntu Core for customised IoT agricultural solutions | Ubuntu
ubuntu corecustomisediotagriculturalsolutions
https://documentation.ubuntu.com/core/how-to-guides/manage-ubuntu-core/upgrade-ubuntu-core/
Upgrade Ubuntu Core - Ubuntu Core documentation
May 7, 2026 - Upgrade Ubuntu Core devices to later releases. Remodel devices with updated model assertions for system upgrades.
upgrade ubuntucoredocumentation
https://documentation.ubuntu.com/core/reference/kernel-boot-parameters/
Kernel boot parameters - Ubuntu Core documentation
Apr 20, 2026 - Kernel boot parameters for Ubuntu Core. Reference for configuring kernel-specific features and debugging.
ubuntu corekernelbootparametersdocumentation
https://iso.qa.ubuntu.com/qatracker/milestones/468/builds/339579/downloads
Download links for Ubuntu Core amd64 edge | Ubuntu QA
download linksubuntu coreedgeqa
https://cdimage.ubuntu.com/ubuntu-core/26/
Index of /ubuntu-core/26
index ofubuntu core
https://documentation.ubuntu.com/core/reference/testing-platforms/
Testing platforms - Ubuntu Core documentation
May 6, 2026 - Ubuntu Core testing platforms. Supported devices and images for testing and development on various hardware.
ubuntu coretestingplatformsdocumentation
https://iso.qa.ubuntu.com/qatracker/milestones/466/builds/327178/testcases/1318/results
Ubuntu Core Image Smoke Test in Ubuntu Base arm64 in Plucky Daily (archived) | Ubuntu QA
ubuntu coresmoke test
https://documentation.ubuntu.com/core/explanation/system-snaps/
System snaps - Ubuntu Core documentation
Apr 20, 2026 - System snaps for Ubuntu Core. Extend functionality with Bluetooth, networking, modem, disk, and power management snaps.
ubuntu coresystemsnapsdocumentation
https://iso.qa.ubuntu.com/qatracker/milestones/435/builds/340558/testcases
Ubuntu Core Pi armhf dangerous-edge testcases in Ubuntu Core 20 Daily (archived) | Ubuntu QA
ubuntu core
https://documentation.ubuntu.com/core/reference/assertions/model/
model - Ubuntu Core documentation
May 7, 2026 - Model assertion reference. Defines device specifications including kernel snap, gadget snap, and base snap.
ubuntu coremodeldocumentation
https://documentation.ubuntu.com/core/how-to-guides/image-creation/calculate-partition-sizes/
Calculate partition sizes - Ubuntu Core documentation
Apr 20, 2026 - Calculate partition sizes for Ubuntu Core storage layout. Use formulas to optimize partition allocation based on snap sizes and retention.
ubuntu corecalculatepartitionsizesdocumentation
https://iso.qa.ubuntu.com/qatracker/milestones/434/builds/355562/testcases
Ubuntu Core amd64 dangerous-edge testcases in Ubuntu Core 22 Daily (archived) | Ubuntu QA
ubuntu coredangerousedge
https://ubuntu.com/core
Ubuntu Core | Ubuntu
Ubuntu Core is Ubuntu for IoT and embedded devices, optimised for security and reliable over-the-air (OTA) updates. Run your applications in a high-security,...
ubuntucore
https://manpages.ubuntu.com/manpages/xenial/man3/RDF::Closure::Engine::Core.3pm.html
Ubuntu Manpage: RDF::Closure::Engine::Core - common code used by inference engines
common code used by inference engines
https://iso.qa.ubuntu.com/qatracker/milestones/430/builds/244738/testcases/1318/results
Ubuntu Core Image Smoke Test in Ubuntu Base arm64 in Focal 20.04.4 (archived) | Ubuntu QA
https://ftp.lysator.liu.se/ubuntu/ubuntu/ubuntu/pool/universe/g/graphql-core/?C=M&O=A
Index of /ubuntu/ubuntu/ubuntu/pool/universe/g/graphql-core/
index ofubuntupooluniverseg
https://ftp.lysator.liu.se/pub/ubuntu-dvd/ubuntu-core/20/dangerous-beta/current/?C=S&O=D
Index of /pub/ubuntu-dvd/ubuntu-core/20/dangerous-beta/current/
index ofpububuntudvdcore
https://community.acer.com/en/discussion/718426/nitro-v15-ubuntu-zorin-os-17-2-core-does-not-recognize-the-microphone
Nitro V15-Ubuntu (Zorin OS 17.2 Core) does not recognize the microphone. - Acer Community
This discussion was created from comments split from: Acer Nitro V15 Build In Microphone Not Working.
https://manpages.ubuntu.com/manpages/resolute/man3/Dancer2%3A%3ACore%3A%3ATime.3pm.html
Ubuntu Manpage: Dancer2::Core::Time - class to handle common helpers for time manipulations
class to handle common helpers for time manipulations
https://ftp.lysator.liu.se/pub/ubuntu-dvd/ubuntu-core/20/dangerous-beta/?C=M&O=D
Index of /pub/ubuntu-dvd/ubuntu-core/20/dangerous-beta/
index ofpububuntudvdcore
https://manpages.ubuntu.com/manpages/resolute/man2/fdatasync.2.html
Ubuntu Manpage: fsync, fdatasync - synchronize a file's in-core state with storage device
synchronize a file's in-core state with storage device