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Old 03-11-2002, 10:21 PM   #1
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Compiling the Kernel

I always here about people compiling the Kernel. What I don't hear is the reason behind doing so. Is it beneficial to have the Kernel compiled for your system? If I compiled the Kernel on my system would it mess anything up? Hell, I'd like to do it for the experience of doing so. Any tips?

Last edited by AMDPwred; 03-11-2002 at 10:28 PM.
Old 03-11-2002, 11:15 PM   #2
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Here are a few reasons some may recompile.

1. better performance
2. adding hardware support
3. customizing for your needs

Better Performance

Some kernels are compiled for different Processor Architecture recompliling you kernel from 386 support to 586 support will help some things run faster.

Adding Hardware Support.

You may of added a nic that is not compiled to you current kernel. You could add that option in kernel before compiling. Also some times modules can be flakey and you may need to complile it into the kernel.

Customizing for your needs

Your kernel may include services that you know you'll never need or use. Removing those options will make the kernel small and help to lower the amount of resources used.

Use Caution

If you plan on recompiling a kernel I would suggest first putting it on diskette before you install it live. Don't go to crazy removing or adding to many things especially in the newer kernels.
Old 03-11-2002, 11:16 PM   #3
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Compiling your own kernel is the very core why use linux I believe. By doing so you're proving that a linux system is the way you want it to be, not the way RedHat or any other distro want it to be for you. You can disable and enable various options, you can better describe your installation based on hardware you have, basically you're polishing your linux system from junk and unneeded stuff, adding some feathures you think are best for you. But for a regular user (what I mean here is if you don't thoroghly know your system and kernel options) compiling your own kernel is a trial and error process, so if you happened to fall in this category expect several re-compilations.
Old 03-11-2002, 11:24 PM   #4
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for some weird reason... kernel compiling is fun. sense of accomplishment... new experience... more knowledge about computer internals...

kinda like the time it took me three days to add a memory stick... (the hard drive was in the way. i was afraid to take it out)
Old 03-12-2002, 07:58 AM   #5
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Sounds good guys. So how do I go about recompiling?
Old 03-12-2002, 08:19 AM   #6
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There are numerous howto's available on the net. Linux Documentation Project is a good start.


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