1) In order to enhance competitiveness, company a deployed ERP at its headquarters. The ERP server is deployed in the
office, while the factory needs to access the ERP database because it needs to run the MRP process for procurement.
2) The factory has established the equipment information database (MySQL), and the R & D personnel in the office often
need to access the database remotely.
3) The factory test equipment uses raspberry pie. When there is a problem, it needs to be developed to remotely
access raspberry pie and debug it.