On Mon, 21 Jun 2010, George Kadianakis wrote: > "Robert P. J. Day" <rpjday@xxxxxxxxxxxxxx> writes: > > > i know i've asked this before but is there a way to extract the > > original vmlinux kernel executable from the corresponding vmlinuz file > > that's installed in /boot? that would require stripping the piggyback > > header and decompression code and so on, but i was wondering if > > there's a single utility out there that handles all that. thanks. > > > > rday > > Seriously, a quick google search on the matter spits _many_ results. > One of those is this cute one-liner: > http://jcmdev0.blogspot.com/2009/12/one-liner-to-extract-vmlinuz-to-vmlinux.html > which unfortunately is wrong (byte pattern is screwed up), but with a quick fix it becomes: > dd if=/boot/vmlinuz skip=`grep -a -b -o -m 1 -e $'\x1f\x8b\x08\x00' /boot/vmlinuz | cut -d: -f 1` bs=1 | zcat > /tmp/vmlinux > which should work alright. you're right, i should have used teh google. thanks, i'll test this later to make sure it's a valid extraction. rday -- ======================================================================== Robert P. J. Day Waterloo, Ontario, CANADA Top-notch, inexpensive online Linux/OSS/kernel courses http://crashcourse.ca Twitter: http://twitter.com/rpjday LinkedIn: http://ca.linkedin.com/in/rpjday ======================================================================== -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
