sudo apt-get update -y
sudo apt install ssh -y
sudo ufw allow ssh
sudo ufw enable && sudo ufw reload
sudo systemctl restart ssh

1. Based on Ubuntu 18.04

• username: user
• password: Test123

du -shc *

Sample output:
257.4M  367dd405-ea434151-bd8a-09ab867bb76c
9.2G    6758744c-9b635be0-1781-e4434b827db8
1.4G    67587453-da7f1bdc-205b-e4434b827db8
2.1T    6783bc23-58cd10f8-12df-b8ca3a70f900
270.0M  8a2baa01-4b42f3b7-1a9b-75cfe518d634

Linux