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Dell SmartFabric OS10 User Guide Release 10.5.3

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Validate and upgrade OS10 image

You can validate and upgrade the OS10 installer image files with digital signatures using the image secure-install command in EXEC mode. 

OS10# image secure-install image-filepath {sha256 signature signature-filepath | gpg signature signature-filepath | pki signature signature-filepath public-key key-file}

The OS10 image installer verifies the signature of the image files using hash-based authentication, GNU privacy guard (Gn uPG or GPG)-based signatures, or digital signatures (PKI-signed). Upgraded image files are installed after they are successfully validated.

NOTE:
  • When secure boot is enabled and you install an OS10 image upgrade, the image install command is disabled. Use the image secure-install command instead. For more information, see Install OS10 upgrade.
  • If secure boot is not enabled, you can validate an OS10 image using PKI after you manually install the image by using the image verify command. PKI image validation occurs only once during the installation, not during each reload. After you manually install the image using the image install command, the image is extracted. The original binary image is not stored in the system.

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