Where Does Ubuntu Pro Store Subscription State?
Ubuntu Pro subscription state and ESM sources on Linux, token plus apt lists.
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Ubuntu Pro extends security maintenance through ESM repos gated by a machine token. Attachment state lives with the pro client while apt lists gain ESM entries. The dashboard tracks machines.
Back up token state plus sources lists with system docs. Tokens are secrets, so vault them. Detach gold images or clones share one identity.
Where Ubuntu Pro stores this, by platform
/etc/apt/sources.list.d/ubuntu-esm-apps.sources
ESM entries appear here after attach. Machine token state sits with the pro client. Keep tokens secret and detach cloned images.
Frequently asked questions
How do I enable Ubuntu Pro?
Run sudo pro attach with your token from the dashboard. That enables ESM repos for the release. Check status before assuming coverage.
Where is Pro subscription state?
Inspect /etc/apt/sources.list.d for ubuntu-esm entries and the machine token state. Logs through pro status show service health. Detach before cloning images.
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