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May 23, 2018 11:15
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sd card backup, restore and partition resize
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| #backup | |
| dd bs=4M if=/dev/sdb | gzip > sdcard.gz | |
| #restore | |
| gzip -dc sdcard.gz | dd bs=4M of=/dev/sdb | |
| #recreate partition | |
| fdisk | |
| p | |
| # note start sector of partition 2 -> start | |
| d | |
| 2 | |
| n | |
| p | |
| 2 | |
| #<-start | |
| #default | |
| n | |
| w | |
| #check for errors & resize | |
| umount /dev/sdb2 | |
| e2fsck -f /dev/sdb2 | |
| resize2fs /dev/sdb2 |
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