| commit | author | age | ||
| 849fbd | 1 | #!/bin/bash |
| G | 2 | |
| 3 | set -e | |
| 4 | set -u | |
| 5 | ||
| 6 | # find the root partition information | |
| 7 | ROOT_PART="$(mount | sed -n 's|^/dev/\(.*\) on / .*|\1|p')" | |
| 8 | ROOT_DEV="/dev/$(lsblk -no pkname /dev/${ROOT_PART})" | |
| 9 | PART_NUM="$(echo $ROOT_PART | grep -o "[[:digit:]]*$")" | |
| 10 | ||
| 11 | # Get the starting offset of the root partition | |
| 12 | PART_START=$(fdisk -l $ROOT_DEV | grep $ROOT_PART | awk '{print $2}') | |
| 13 | [ "$PART_START" ] || return 1 ; | |
| 14 | ||
| 15 | fdisk "$ROOT_DEV" > /dev/null 2>&1 <<EOF | |
| 16 | p | |
| 17 | d | |
| 18 | $PART_NUM | |
| 19 | n | |
| 20 | p | |
| 21 | $PART_NUM | |
| 22 | $PART_START | |
| 23 | ||
| 24 | p | |
| 25 | w | |
| 26 | EOF | |
| 27 | ||
| 28 | resize2fs /dev/$ROOT_PART > /dev/null 2>&1 | |
| 29 | ||
| 30 | echo "Expand rootfs size successfully, it will be enlarged upon the next reboot." | |
| 31 | ||
