30 lines
1.2 KiB
Markdown
30 lines
1.2 KiB
Markdown
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# PiShrink #
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PiShrink is a bash script that automatically shrink a pi image that will then resize to the max size of the SD card on boot.
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`Usage: ./pishrink imagefile.img`
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## Example ##
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```bash
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[user@localhost PiShrink]$ sudo ./shrink.sh pi.img
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e2fsck 1.42.9 (28-Dec-2013)
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Pass 1: Checking inodes, blocks, and sizes
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Pass 2: Checking directory structure
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Pass 3: Checking directory connectivity
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Pass 4: Checking reference counts
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Pass 5: Checking group summary information
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/dev/loop1: 88262/1929536 files (0.2% non-contiguous), 842728/7717632 blocks
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resize2fs 1.42.9 (28-Dec-2013)
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resize2fs 1.42.9 (28-Dec-2013)
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Resizing the filesystem on /dev/loop1 to 773603 (4k) blocks.
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Begin pass 2 (max = 100387)
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Relocating blocks XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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Begin pass 3 (max = 236)
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Scanning inode table XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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Begin pass 4 (max = 7348)
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Updating inode references XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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The filesystem on /dev/loop1 is now 773603 blocks long.
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Shrunk pi.img from 30G to 3.1G
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```
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## Credits ##
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Thanks to SirLagz for the code to shrink http://sirlagz.net/2013/03/10/script-automatic-rpi-image-downsizer/
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