Synology HA install Virtual Machine VDI image on DS718+

Hi everybody!!

I’m Giorgio from Italy and I have just installed Home Assistant 0.110.2 on my Synology DS718+

here some infos about

DSM 6.2.2-24922 Update 4 (Intel Celeron J3455 1,5 GHz - RAM 16 GB)
Running Home Assistant on Virtual Machine Manager - Image hassos_ova-3.13.vdi (hassos_ova-3.13.vdi.gz)
VMM is configured with 2 CPU - 4 GB RAM - vmVGA - Default VM Network - UEFI - 2.73GB/32GB IDE Virtual Disk

and here the info from the developers tools menu

Versione Frontend: 20200519.4 - latest
Integrità del Sistema
arch x86_64
chassis vm
dev false
docker true
hassio true
host_os HassOS 3.13
installation_type Home Assistant
os_name Linux
os_version 4.19.115
python_version 3.7.7
supervisor 224
timezone Europe/Rome
version 0.110.2
virtualenv false
Lovelace
dashboards 1
mode auto-gen
resources 0

My first two questions (I already deeply searched info in the community, but did not found answers…):

1 - the Supervisor menu is completely empty since the first logon, what happens?

2 - How can I reach the file configuration.yaml: /config ? (tried to SSH to VM ip and port 22222 without success)

Please help me!!
Regards
Giorgio