fdisk

• Modify partitions
• Show disk and devices (partitions)
• Requires sudo

# Show disks and devices
fdisk -l

# Start fdisk on a disk
fdisk /dev/sdx

# start disk on a disk (and wipe existing signatures)
fdisk /dev/sdx --wipe auto

# Pick a disk to modify
fdisk "disk"
fdisk "/dev/sdx"
  - `m`: Menu
  - `p`: print partitions
  - `n`: Add new partition # p for primary
  - `t`: Change partition system id
  - `w`: write/apply changes

g

• Creates a new empty GPT partition table
• GPT is the disklabel type
• This is usually the first step on a new drive

n

• +10G to set the size

t

• Partition types (alias) for GPT
• 1: EFI System
• 19: Linux Swap
• 20: Linux Filesystem