Messages in this thread |  | | Date | Tue, 12 Feb 2002 15:33:37 -0700 | From | Andreas Dilger <> | Subject | Re: How to check the kernel compile options ? |
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On Feb 13, 2002 00:10 +0200, Ville Herva wrote: > On Tue, Feb 12, 2002 at 02:06:24PM -0700, you [Andreas Dilger] wrote: > > > > You can also extract it from an uncompressed kernel (vmlinux) or the > > module with "strings <file> | grep '[A-Z]*=[ym]$'". It is simple > > enough to search for the gzip magic (1f 8b 08 00 at about 16-18kB) > > in a zImage or bzImage, and then pipe it to gunzip and strings as above.
Just as a clarification, the module configs can be stored in the short form:
EXPERIMENTAL=y MODULES=y PCI=y : :
I checked, in my current kernel/modules nothing matches the above regexp, and even if it did, having a garbage config value wouldn't be fatal.
> Such script could live in /usr/src/linux/scripts. The same script could > perhaps extract the version string as well. Anybody got a clue how to find > it reliably? Is this reliable > > strings /boot/bzImage | > egrep '^[0-9]+\.[0-9]\.+.*\(.*@.*\).*[0-9]+:[0-9]+:[0-9]+' | > head -1
This will work for the bzImage, but not the uncompressed kernel. If you remove the "^" (start of line) requirement it works for both:
egrep '[0-9]+\.[0-9]\.+.*\(.*@.*\).*[0-9]+:[0-9]+:[0-9]+'
Cheers, Andreas -- Andreas Dilger http://sourceforge.net/projects/ext2resize/ http://www-mddsp.enel.ucalgary.ca/People/adilger/
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