partx — Parse a partition table and tell the kernel about it. More information: <https://manned.org/partx>.

List the partitions on a block device or disk image

sudo partx {{[-l|--list]}} {{path/to/device_or_disk_image}}

Add all the partitions found in a given block device to the kernel

sudo partx {{[-a|--add]}} {{[-v|--verbose]}} {{path/to/device_or_disk_image}}

Delete all the partitions found from the kernel (does not alter partitions on disk)

sudo partx {{[-d|--delete]}} {{path/to/device_or_disk_image}}