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safe dd check does usb drive size == 32GB and after dd .img
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| # never use this if you have 32 GB hard drive | |
| # never use this if you mount 2 or more 32GB usb flash card in one time | |
| varvar=`blockdev --getsize64 /dev/sda` | |
| # 32GB == 30765219840 | |
| if [ $varvar -eq 30765219840 ]; then | |
| dd if=disk.img of=/dev/sda bs=4M conv=fsync status=progress | |
| fi |
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