2021-06-26 13:04:06 +00:00
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#!/bin/bash
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OUTDIR=$HOME/RockyRpi_image
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mkdir -p ${OUTDIR}
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time appliance-creator -v -c ./Rocky8_Rpi4.ks -n RockyRpi --version=20210626 --release=1 --vmem=1024 --no-compress -o ${OUTDIR}
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# Post appliance-creator sequence to
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mkdir -p /mnt/tmp
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# find the image we just made, and make it available on /dev/maper/loop* devices:
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2021-06-26 13:09:56 +00:00
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image=`find ${OUTDIR} -iname *.raw | head -1`
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echo "Getting UUID and inserting to boot from ${image} ....
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2021-06-26 13:04:06 +00:00
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kpartx -av ${image}
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# Get the UUID of our root partition (the ext4 one) (UUID=e3984938429 , strip out quotes("))
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uuid=`blkid | grep "mapper/loop0p3" | head -1 | awk '{print $3}' | tr -d '"'`
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# Mount the /boot partition:
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mkdir -p /mnt/tmp
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umount /mnt/tmp
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mount /dev/mapper/loop0p1 /mnt/tmp
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# Swap out the "root=" part of cmdline.txt for our "root=UUID=blah"
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sed -i "s/root= /root=${uuid} /" /mnt/tmp/cmdline.txt
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# Debug check to make sure it looks right:
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echo "cmdline.txt looks like this, please review:"
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cat /mnt/tmp/cmdline.txt
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# Finished, unmount:
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umount /mnt/tmp
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