Kazuki,
Please take attetion:
Your linux box already created = Application server:
Application Server
Based on the measurements SAP doesn't expect any changes concerning CPU, memory and network requirements for the ABAP application server. This means that the existing hardware and network infrastructure can still be used. Please check the PAM (www.service.sap.com/pam) for further details.
SAP HANA Appliance ( porvided by your hardware partner)
Consider SAP Note recommendation for HANA Main Memory, HANA CPU and HANA Disk Space.
Regards,
Edinaldo Junior