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Old 01-22-2004, 05:27 PM   #1
thrix
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kernel options


How can I foind out, what kernel options is my kernel compiled with?
 
Old 01-22-2004, 05:32 PM   #2
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By looking at the .config file?

It's in the kernel's source directory, if you don't
have that installed, there should be a file
/boot/config<mumble> that maps the config
of the current kernel.


Cheers,
Tink
 
Old 01-22-2004, 05:34 PM   #3
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If all you have is the compressed image and not the source and .config file that was used to compile it then I am not sure there is any way to tell for sure.

Looking at the dmesg you can tell some things, looking at the modules in the /lib/modules/your-kernel-version/ directory will tell you others. But not everything.
 
Old 01-22-2004, 05:35 PM   #4
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thanx, i've got installed Linux only in text mode, and want to enable framebuffering. Is it very dificult to recompile kernel then with that option enabled?
 
Old 01-22-2004, 05:38 PM   #5
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Not at all, there is a kernel compile HOW-TO on this site that will probably do a much better explination then I would, read it and give it a shot.
 
Old 01-22-2004, 05:46 PM   #6
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where's that howto exactly please, thanx
 
Old 01-22-2004, 05:57 PM   #7
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Here you go: http://www.linuxquestions.org/questi...threadid=73436

The guy I used the first time I ever compiled a kernel was foudn at www.tldp.org but they have taken it down for "Review" because a lot of it talked about 2.0/2.2 stuff that wasn't important anymore for most peopl needing to read it. Guess they thought it was time to re-write it for 2.4/2.6. In general though, http://www.tldp.org is a good place to start looking when you have a question for anything (tldp = The Linux Documentation Project).
 
Old 01-22-2004, 06:05 PM   #8
thrix
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Sorry for my questions but:
1. Could I somehow change kernel options without compiling a new one? 2. Could I recompile my current kernel with the same from my RedHat instalation CD?
 
Old 01-22-2004, 06:12 PM   #9
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If you have the configuration file and the source code from RedHat then you certainly could do that. I am not sure if RedHat includes the kernel source but I would imagine they would have to somewhere.
 
Old 01-22-2004, 06:15 PM   #10
thrix
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Oh, I see you use Slackware. Which didtribution do you prefer. I've just ordered Slackware 9.1 from our local distributors, it's very cheap, about 3$!!!!
 
Old 01-22-2004, 06:20 PM   #11
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I love slackware, and I love gentoo. Gentoo fits better for a desktop system in my opinion, because it is so much easier to upgrade. Of course slackware has a dependancy checking package management system now, but I haven't tried it yet. My slackware box hasn't been touched except for security updates in over a year. It sits in a closet with only a power cord and an eithernet cable attached to it. The uptime of the box was over 400 days until earlier this month when I put the 2.4.24 kernel on it. Hopefully that will be it's 1 reboot of the year 2004.
 
Old 01-22-2004, 06:24 PM   #12
thrix
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Here in Slovakia, is Gentoo quite unknown. I checked out it's website, but i didn't have too much time. I work with linux only in text mode and I use it for programming. What's your opinion about Redhat or Suse?
 
Old 01-22-2004, 06:28 PM   #13
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I have never used Suse and I haven't used redhat directly in about 4 years so I don't have much of an opinion on it. Slackware is a great text mode distribution. It doesn't require or have any gui config tools.
 
Old 01-25-2004, 06:37 AM   #14
thrix
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Unhappy

I've got my kernel compiled with framebuffering support. But there isnt at /dev any file like fb, fb0 or something like that. So the framebuffering doesn't work. I use now RedHat 9.0 and Mandrake 9.2. Is there any boot parameter to run linux with framebuffering? Help me plaease
 
Old 01-25-2004, 09:36 AM   #15
thrix
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Ok, so i figured it out.
here's the answer http://en.tldp.org/HOWTO/Framebuffer-HOWTO-5.html

vesafb>
to 1024x768 the boot parameter is vga=791, but must have CONFIG_FB in config =y.

Oh, by the way, I've got TNT2. I heard something about rivafb, but didn't find anything useful in english at google (only in russian, sh..!). Any idea where to find some kind of how-to or docs?
 
  


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