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diff --git a/chapter08/kernel-inst.xml b/chapter08/kernel-inst.xml new file mode 100644 index 000000000..e05ab2786 --- /dev/null +++ b/chapter08/kernel-inst.xml @@ -0,0 +1,55 @@ +<sect2><title> </title><para> </para></sect2> + +<sect2> +<title>Installation of the kernel</title> + +<para>Building the kernel involves a few steps: configuring it and compiling +it. There are a few ways to configure the kernel. If you don't like the +way this book does it, read the <filename>README</filename> that comes +with the kernel source tree, and find out what the other options are.</para> + +<para>Something you could do, is take the <filename>.config</filename> +file from your host distribution's kernel source tree and copy it to +<filename class="directory">$LFS/usr/src/linux-&kernel-version;</filename>. +This way you don't have to configure the entire kernel from scratch and +can use your current values. If you choose to do this, first run the +<userinput>make mrproper</userinput> command below, then copy the +<filename>.config</filename> file over, then run +<userinput>make menuconfig</userinput> followed by the rest of the commands +(<userinput>make oldconfig</userinput> may be better in some situations. +See the <filename>README</filename> file for more details when to use +<userinput>make oldconfig</userinput>).</para> + +<para>If you intend to use kernel modules, you will need an +<filename>/etc/modules.conf</filename> file. Information pertaining +to modules and to kernel configuration in general may be found in the +kernel documentation, which is stored stored in +<filename>/usr/src/linux-&kernel-version;/Documentation</filename>. The +modules.conf man page and the kernel HOWTO at +<ulink url="&tldp-root;HOWTO/Kernel-HOWTO.html"/> may also be of +interest to you.</para> + +<para>Prepare for compilation by running the following command:</para> + +<para><screen><userinput>make mrproper</userinput></screen></para> + +<para>This ensures that the kernel tree is absolutely clean. The kernel +team recommends that this command be issued prior to +<emphasis>each</emphasis> kernel compilation. You shouldn't rely +on the source tree being clean after untarring.</para> + +<para><screen><userinput>make menuconfig && +make dep && +make bzImage && +make modules && +make modules_install</userinput></screen></para> + +<para>Kernel compilation has finished, but the files created are still +in the source tree. The path to the kernel file, +<filename>arch/i386/boot/bzImage</filename> below, may vary depending +on the platform you're using.</para> + +<para><screen><userinput>cp arch/i386/boot/bzImage /boot/lfskernel && +cp System.map /boot</userinput></screen></para> + +</sect2> |