genkernel

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External resources

	Wikipedia

	Gentoo doc

genkernel is used to automate the build process of the kernel and initramfs. Some of the general features:

• configure the kernel sources
• build bzImage and copy to /boot
• create initramfs and copy to /boot
• create symlinks in /boot
• add custom content to initramfs for encryption, splash images, extra modules etc.
• compress initramfs
• configure the bootloader

Installation

Install sys-kernel/genkernel:

→ Information about USE flags

USE flag	Default	Recommended	Description
crypt	No	No	Add support for encryption -- using mcrypt or gpg where applicable
cryptsetup	No	No	Enable support for Luks disk enrcyption using sys-fs/cryptsetup
ibm	No	No	Add support for IBM ppc64 specific systems
selinux	No	No	!!internal use only!! Security Enhanced Linux support, this must be set by the selinux profile or breakage will occur

root # emerge --ask genkernel

Configuration

The configuration file is /etc/genkernel.conf and is very well documented.