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This article is to share with you about how linux compiles grub2, the editor thinks it is very practical, so I share it with you to learn. I hope you can get something after reading this article.

First, go to the official website to download the source package.

Https://ftp.gnu.org/gnu/grub/

Select grub2-2.04.tar.gz and click the link to download

Decompress to / usr/src directory, cd to grub-2.04

Compile 64-bit platform

Run. / configure-prefix=/usr-with-platform=x86_64-efi

Note: if you do not take the-- prefix parameter, it will be installed under / usr/local/lib/grub by default, and / usr/lib/grub will be installed using the-- prefix=/usr parameter.

Then, run

Make & & make install

Will generate a x86_64-efi folder as shown in the figure

If you continue to compile the 32-bit platform

Run under / usr/src/grub-2.04 first

Make clean all

Run. / configure-prefix=/usr-with-platform=i386-pc

Then, run

Make & & make install

Will generate an i386-pc folder as shown in the figure

Then, run the following command to install grub2 to the hard drive

Grub-install / dev/sda

Where sda is the hard disk on which you want to install grub2

The default is to install 64-bit platform

If you want to install 32 as the platform, you need to add parameters

Grub-install-target=i386-pc / dev/sda

This is how linux compiles grub2. The editor believes that there are some knowledge points that we may see or use in our daily work. I hope you can learn more from this article. For more details, please follow the industry information channel.

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