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MakeRealeaseImage.md

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This approximate instruction for make final release image for simplest install.

  1. dd from installed device to raw image file:

    dd if=/dev/sdc of=ArchLinuxVIM-3.X.X.img bs=8M

  2. Generate loop devices for image:

    losetup -Pf ArchLinuxVIM-3.X.X.img

  3. Mount first "boot" partition of image:

    mount /dev/loop0p1 /mnt/boot/

  4. Fill unused space to zeros:

    dd if=/dev/zero of=/mnt/boot/0 bs=512

    rm /mnt/boot/0

  5. Check second partition (root) for errors before shrink filesystem:

    e2fsck -f /dev/loop0p2

  6. Resize root filesystem to minimal size (shrink):

    resize2fs -M /dev/loop0p2

    resize2fs 1.46.5 (30-Dec-2021) Resizing the filesystem on /dev/loop0p2 to 706286 (4k) blocks. The filesystem on /dev/loop0p2 is now 706286 (4k) blocks long.
  7. Resize root partition to filesystem size:

    fdisk /dev/loop0

    d 2 n p 2 (default first sector) +(count of filesystem blocks from resize2fs out)*8
  8. Truncate image file: truncate -s ((end of 2 partition sector (from fdisk))/2+1)k
  9. Image compression #xz -9