Portmapssudo apt-get install -y portmapPortmap is a part of ONC RPC (Open Network Computing Remote Procedure) collection of software for implementing remote procedure calls between Computer Programs. It is widely used by NFS (Network File System) and NIS. Portmap is a server that converts RPC program number to DARPA protocol port number. It must be used in order to make RPC calls.Network Infomation Service (NIS)sudo apt-get install -y nisNIS is a client server directory service provider for distributing system configuration data as user and host name between computers on comptuer network. SUN ...