Redhat Uefi Support

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3.5. Notes on UEFI Support Red Hat Enterprise Linux 6 ...

    https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/installation_guide/sect-uefi-support-x86
    Red Hat Enterprise Linux 6.9 supports both BIOS and UEFI firmware on AMD64 and Intel 64 systems (x86_64). UEFI-based systems are supported with the following limitations: The system must support UEFI Specification 2.0 or later. Earlier revisions are not supported.

26.11. Unified Extensible Firmware Interface (UEFI) Secure ...

    https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/system_administrators_guide/sec-uefi_secure_boot
    Red Hat Enterprise Linux 7 includes support for the UEFI Secure Boot feature, which means that Red Hat Enterprise Linux 7 can be installed and run on systems where UEFI Secure Boot is enabled. On UEFI-based systems with the Secure Boot technology enabled, all drivers that are loaded must be signed with a trusted key, otherwise the system will not accept them.

F.2.2. The Boot Loader Red Hat Enterprise Linux 6

    https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/installation_guide/s2-boot-init-shutdown-loader
    The Red Hat Customer Portal delivers the knowledge, expertise, and guidance available through your Red Hat subscription. F.2.2. The Boot Loader Red Hat Enterprise Linux 6 Red Hat Customer Portal

Restrictions Imposed by UEFI Secure Boot

    https://access.redhat.com/articles/1351013
    As UEFI Secure Boot support in Red Hat Enterprise Linux 7 is designed to ensure that the system is only running kernel mode code whose signature has been properly authenticated, certain restrictions exist, such as in the loading of kernel modules and the use …

5.9. Using a Beta Release with UEFI Secure Boot Red Hat ...

    https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/installation_guide/sect-installation-planning-beta-secure-boot
    In order to use a Beta release with UEFI Secure Boot enabled, you need to add the Red Hat Beta public key to your system using the Machine Owner Key (MOK) facility. The procedure to add the Red Hat Beta key to your system is below. Procedure 5.1.  Adding a Custom Private Key for UEFI Secure Boot

Log in to Your Red Hat Account - Red Hat Customer Portal

    https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/installation_guide/ch-boot-x86
    Red Hat Enterprise Linux 6.9 does not support UEFI for 32-bit x86 systems. On 64-bit systems, boot configurations of UEFI and BIOS differ significantly from each other. Therefore, the installed system must boot using the same firmware that was used during installation.



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