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Assistant: Parted is a Linux utility used for partitioning hard drives. It allows users to create, delete, resize, and move partitions on their hard drives.

resize partition to 100%

for all the commands, replace sda, sda1 with your actual disk and partition

if you just resized the disk, you might need to rescan the device:

echo 1 > /sys/block/sda/device/rescan

display available space on /dev/sda:

parted -s -a opt /dev/sda "print free"

resize disk:

it uses the /dev/sda disk, partition 1 and just resizes the partition to the maximum amount available

parted /dev/sda resizepart 1 100%
resize2fs /dev/sda1