Digging into an initrd File
Updated September 16, 2002
Created August 24, 2001

# Make and change to a temporary directory
mkdir /tmp/initrdtesting
cd /tmp/initrdtesting

# Grab an initrd you want to work with
cp /boot/initrd.img .

# Rename the initrd
mv initrd.img initrd.ext2.gz

# Unzip the initrd
gunzip initrd.ext2.gz

# Create a blank directory to mount the initrd to
mkdir initrd.dir

# Mount the initrd filesystem
mount initrd.ext2 initrd.dir -o loop

# Investigate your initrd
cd initrd.dir

Contents of linuxrc
#!/bin/sash

aliasall

echo "Loading ncr53c8xx module"
insmod /lib/ncr53c8xx.o