![]() The defaults are generally broad and sensible, which means that the majority of users will only have to make a small number of changes to the base configuration. The kernel includes a default configuration, which is presented the first time menuconfig is run on a particular set of sources. The general process is actually rather simple: a series of options, categorized into individual menus and sub-menus, are presented and the desired hardware support and kernel features relevant to the system are selected. Select the appropriate architecture, then navigate to section titled "Configuring the Linux kernel". The Gentoo Handbook's kernel configuration section covers some aspects of kernel installation.The Kernel upgrade article explains how to upgrade a kernel or switch from one kernel to another.The Kernel sources overview article contains information on the various kernel source packages available in the Portage tree.Read the following articles, then return to this guide: If the user is not at this stage, other documentation is available to help. Some details may differ for older kernels or more exotic architectures however much of the content will still be relevant.Īt this point, the user is presumed to have Linux kernel sources unpacked on the hard disk (usually somewhere under /usr/src), and is expected to know how to enter the menuconfig configuration utility with knowledge to navigate through the ncursers-based menu system. This guide is written with recent kernels in mind for common computer architectures. Instead it will introduce the concepts of manual configuration and detail the most common pitfalls which users face. This guide does not attempt to document the manual configuration process from start to finish - the configuration process relies upon a large degree of common sense and a relatively high level of technical knowledge about the system being used. If genkernel is the preferred method of handling matters related to the kernel head over to the Genkernel article for details. This guide does not cover the automatic method (genkernel). Absolute knowledge of kernel configuration, and/or.Although the automatic method can be regarded as easier for most users, there are a number of reasons why a large proportion of Gentoo users choose to configure their kernels manually: Gentoo provides two ways for users to handle kernel configuration, installation, and upgrades: automatic (genkernel) and manual. 6.2 Modules do not get loaded automatically.6.1 Configuration changes do not take effect.5 Other kernel configuration documentation.4.2 Translating CONFIG_FOO to the real configuration location.4 Kernel configuration shorthand notation.3.4 Multiprocessor, hyper-threading, and multi-core systems.3 Common problems and areas of confusion.
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