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Wednesday, November 25, 2015

Bootloader Restructured To Allow Linux To Work On Windows 8 PCs Easily
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Bootloader Restructured To Allow Linux To Work On Windows 8 PCs Easily  
The Linux Foundation is waiting for Microsoft to sign the newly submitted bootloader version and will offer the new version to users for free once released.   
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Saturday, February 02, 2013 The Linux Foundation has sponsored a major revamp of the mini bootloader to help users to launch any version of Linux on computers that come with UEFI Secure Boot. Whenever UEFI Secure Boot is talked along with Linux, the first thought that comes to our mind is Windows 8. Though UEFI Secure Boot is not something new or synonymous with Windows 8 but Microsoft made Secure Boot popular particularly when it was initially discovered that Windows 8 devices won't allow Linux to boot.

The Linux Foundation, UEFI Secure Boot, bootloader, gummiboot, microsoft, windows 8. linux, Bootloader Restructured, linux on windows 8

The restructuring of the bootloader boots in a different manner, allowing it to work well together with Gummiboot. Unlike GRUB, the Gummiboot accesses the EFI mechanisms before starting Linux. So, the Gummiboot keeps the structure simple as compared to GRUB. However, when the user has activated the Secure Boot, the procedure changes and other firmware-related mechanisms comes to play to verify the kernel before launching it.

Explaining the cause of restructuring the bootloader, James Bottomley wrote in his blog post, “The gist of the problem is that GregKH discovered in early December that the proposed Pre-BootLoader wouldn’t work in its current form with Gummiboot. On investigation, the reason was simple: Gummiboot was created to demonstrate you could make a small and simple bootloader that takes advantage of all the services available in the UEFI platform instead of being the massive link loader that things like grub are.”

Microsoft takes a couple of weeks to respond to bootloader submissions and will also provide a signature that would be considered trustworthy by Secure Boot PCs and would be allowed. Bottomley has already submitted the revised version on 21 January 2013 and is expecting Microsoft to sign it as trustworthy very soon. Once signed, The Linux Foundation will offer the new version to users for free.

Debashis Sarkar, EFYTIMES News Network

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brian   1025 days ago

Unless youre just uncomfortable going into the BIOS of your PCLaptop this news is important. However Ive checked alot of new computerslaptops so far and all of them let you turn OFF UEFI in their BIOS. For instance it in the ASUS BIOS you just select OTHER OS for boot mode.
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