oracle xe in virtualbox guest w10

 localhost:1521/XEPDB1

https://localhost:5500/em

>tnsping 10.0.2.15 1521

SQL> alter session set "_ORACLE_SCRIPT"=true;

as an administrator

netsh advfirewall firewall add rule name="ICMP Allow" protocol=icmpv4:8,any dir=in action=allow