How to add the 20gb space ?
Currently only have 2gb total, 1gb used for OS.
Run lsblk - you should see a second disk. You’d need to partition and mount it.
Great, all done. “sudo lsblk”, “sudo fdisk /dev/sdb”, “sudo mkfs -t ext4 /dev/sdb1”, “mkdir space/ && sudo mount /dev/sdb1 space/”.