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Dashboard

Upon logging in you will be presented with the Omni dashboard.

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Download the Image

Download the Azure image from the Omni portal by clicking on the “Download Installation Media” button. Click on the “Options” dropdown menu and search for the “Azure” option. Notice there are two options: one for amd64 and another for arm64. Select the appropriate architecture for the machine you are registering, then click the “Download” button. Once downloaded to your local machine, untar with tar -xvf /path/to/image

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Upload the Image

In the Azure console, navigate to Storage accounts, and create a new storage account. Once the account is provisioned, navigate to the resource and click Upload. In the Upload Blob form, select Create New container, and name your container (e.g. omni-may-2023). Now click Browse for Files, and select the disk.vhd file that you uncompressed above, then select Upload.

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Convert the Image

In the Azure console select Images, and then Create. Select a Resource Group, Name your image (e.g. omni-may), and set the OS type to Linux. Now Browse to the storage blob created above, navigating to the container with the uploaded disk.vhd. Select “Standard HDD” for account type, then click Review and Create, then Create.

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Create an Azure Instance

Creating an instance requires setting the os-disk-size property, which is easiest to achieve via the CLI:
az vm create \
    --name azure-worker \
    --image omni \
    -g $GROUP \
    --admin-username talos \
    --generate-ssh-keys \
    --verbose \
    --os-disk-size-gb 20

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Conclusion

In the Omni UI, navigate to the “Machines” menu in the sidebar. You should now see the Azure machine that was created listed as an available machine, registered with Omni and ready to provision.