There are 2 types of Ubuntu releases: Interim and LTS. Each Ubuntu LTS is maintained for 10 years total: 5 years of standard support + 5 years of ESM. Interim releases are maintained for 9 months.

For the Ubuntu release cycle please see: The Ubuntu lifecycle and release cadence.

We are happy to provide hosting for the following projects via the cdimage server. While they are not commercially supported by Canonical, they receive full support from their communities.

The cdimage server also hosts releases of other Ubuntu images not found on this server, such as builds for less popular architectures and other non-standard and unsupported images. For Ubuntu Desktop and Server on popular architectures, please see the links above instead.

Ports, Unsupported, and Experimental Images for Ubuntu

For old releases, see old-releases.ubuntu.com.

Index of /ubuntu-cd/streams/v1/

Index of /ubuntu-cd/streams/v1/


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com.ubuntu.releases:ubuntu-server.json             22-Feb-2024 15:31               11613
com.ubuntu.releases:ubuntu-server.json.gpg         22-Feb-2024 15:31                 833
com.ubuntu.releases:ubuntu.json                    22-Feb-2024 15:31               11437
com.ubuntu.releases:ubuntu.json.gpg                22-Feb-2024 15:31                 833
index.json                                         22-Feb-2024 15:31                1657
index.json.gpg                                     22-Feb-2024 15:31                 833