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Old 11-08-2005, 11:29 AM   #1
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Registered: Feb 2005
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How to check initrd content


I made an initrd with the following command:
mkinitrd -o /boot/initrd.img-2.6.8-2-686-test 2.6.8-2-686
How can I check if all modules was included?
I have tried the command:
gunzip -c initrd.img-2.6.8-2-686-test 2.6.8-2-686-test | cpio -it
but I got an error that it is not in gzip format.

Any other sollution?

Old 11-08-2005, 12:06 PM   #2
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Registered: Oct 2003
Posts: 3,057

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This seems to work ok on my FC4 box...
mkdir /home/isolinux
mkinitrd /home/isolinux/initrd.img `uname -r`

EXTRACT and EDIT INITRD.IMG (The Linux Filesystem)

# unpack the current initrd.img
mkdir /home/cdimgextract
cd /home/cdimgextract
gzip -dc < /home/isolinux/initrd.img | cpio -i
cd /home
# make any changes you need to the initrd.img in cdimgextract


cd /home/cdimgextract
# create the new initrd
rm -f /home/isolinux/initrd.img
find . | cpio -o -c | gzip -9 > /home/isolinux/initrd.img
# cleanup
cd /home
rm -rf cdimgextract


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