How to extend disk has no volume group and not LVM disk

1. sudo lsblk

• /dev/nvme0n1p1: 512MB (EFI system partition)
• /dev/nvme0n1p2: 29.5GB (root partition /)

2. sudo growpart /dev/nvme0n1 2

3. sudo resize2fs /dev/nvme0n1p2

4. df -h