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91 lines
2.8 KiB
Text
91 lines
2.8 KiB
Text
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Hello Mageia Users,
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linux-userspace-headers contains the headers for the source code of
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Linux kernel. All source code necessary to compile a new kernel is
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included in two packages linux-userspace-headers, and kernel-source.
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You will need to install both linux-userspace-headers (needed for
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general Linux compilation), and kernel-source in order to compile
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a new kernel.
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The kernel is the central process of your Linux machine, the mediator
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between the hardware and your programs. It is responsible for memory
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allocations, process managing, device access...
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Although modern kernels are very flexible thanks to dynamic modules, you
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may need to compile your own kernel for various reasons: your found a
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new module which need a more recent kernel, you need a feature of a new
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kernel, etc...
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Here is a short sum-up of what you can find in the Kernel-HOWTO. Consult
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it in case of a problem or if the shortcut here provided does not meet
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your needs. You should also consult the README of kernel-sources.
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1. Configure your new kernel
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You should never build a kernel as root, so as a normal user:
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Copy the source in /usr/src/linux/ to ~/kernel/
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Change to ~/kernel/ and clean-up previous compilations, by issuing
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"make mrproper",
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In console mode, run "make menuconfig",
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Under X11, run "make xconfig".
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Then configure all sections of your kernel making each feature you need
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available constantly or as a module. Note that you should compile most
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features as a module, as it consume less memory, taking into account
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that some of them cannot be modules as you may need them at boot time,
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before dynamic modules be loaded...
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2. Compile it
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Just issue "make" to create a compressed kernel image and the modules you
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configured.
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3. install your new kernel
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Now you need root privilegies, so:
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Issue "su" and enter root password.
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Issue "make modules_install"
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This will copy your modules and needed files to /lib/modules/
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Issue "make install"
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This will copy your new kernel and system.map to boot dir (/boot/) with
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correct names including version, and change respective links.
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It finally runs lilo to take into account your new kernel.
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4. Modify Lilo to allow your booting on old kernel
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* This step is optional, although recommended *
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See lilo.conf man page.
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Your are encouraged during this step to create a new section in your
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lilo.conf file, in order to enable you to boot on your both kernels, the
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old and the new one.
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You need to run lilo then to take your changes into account.
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You may also use linuxconf to do all that with a nice GUI.
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5. Reboot your machine...
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And pray.
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Anyway if something goes wrong, you just need to reboot and choose your
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old kernel with lilo.
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Enjoy!
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========================================================================
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(c) 1999-2006 Mandriva, Camille B<>gnis <camille@mandriva.com>
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(c) 2006 Thomas Backlund <tmb@mandriva.org>
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(c) 2011 Thomas Backlund <tmb@mageia.org>
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