PrincessPi/general-scripts-and-system-ssssssetup
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workan on image dump tools and xrdp a desktop over windows

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Princess Pi
2026-05-18 03:40:50 -06:00
parent 04febcad68
commit db53c49439
4 changed files with 90 additions and 14 deletions
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customscripts/dump_compressed_img_file.sh
+13 -8
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@@ -16,20 +16,25 @@
set -e # fail explicitly on any error
# todo: interactive, cli options
disk=/dev/sda
outname="test_disk_image_post0_$(date +%Y-%m-%d-%H%M-%Z)"
# disk=/dev/sda
user=princesspi
# outname="test_disk_image_post0_$(date +%Y-%m-%d-%H%M-%Z)"
outname="$outname.img.xz"
zerofile="/home/$user/0.0"
echo "zeroing out empty space"
sudo if=/dev/zero of="$zerofile" bs=4M status=progress || sudo rf -f "$zerofile"
# do the disk image dump using inline xz
echo "runnin inline xz on $disk to file $outname"
sudo dd if=$disk status=progress bs=1M | xz -c > "$outname"
# echo "runnin inline xz on $disk to file $outname"
# sudo dd if=$disk status=progress bs=4M | xz -c > "$outname"
# test xz integrity
echo "testing disk image integrity"
xz -t -v "$outname"
# echo "testing disk image integrity"
# xz -t -v "$outname"
# make the sha256 file
echo "generating sha256 checksum file"
sha256sum "$outname" | tee "$outname.sha256"
# echo "generating sha256 checksum file"
# sha256sum "$outname" | tee "$outname.sha256"
echo "all donesies :3"