Upgrade or downgrade OS10 image on secure boot-enabled nodes
This section describes how to use the
image secure-install command to upgrade or downgrade OS10 image on secure boot-enabled nodes. When secure boot is enabled, the
image install command is disabled. Use the
image secure-install command to validate the image file using digital signatures and to install the OS10 image.
NOTE:The filenames that are used in this example are for illustrative purposes only.
To install OS10 image when secure boot is enabled:
Extract the OS10 *.tar file that you downloaded from the Dell Support Site. The package includes the following files:
Use the
show secure-boot status command to check if the start-up configuration file is protected.
Copy the OS10 image binary file to
image: directory or
usb. Copy the signature files to a remote repository or copy them to
image: directory or
usb.
Use the
image secure-install command to validate and install the OS10 image. The OS10 image installer verifies the signature of the image files using the SHA-256 hash, or GNU privacy guard (GnuPG or GPG)-based signatures, or digital signatures (PKI-signed). After successful validation, the image file is installed.