rpcinfo
Query RPC service registrations
TLDR
Show full table of all RPC services on localhost
$ rpcinfo
Show concise table of RPC services$ rpcinfo -s localhost
Display statistics of rpcbind operations$ rpcinfo -m
Display entries for service and version on remote host$ rpcinfo -l remote_nfs_server mountd 2
Delete registration for service version$ rpcinfo -d mountd 1
SYNOPSIS
rpcinfo [options] [host]
DESCRIPTION
rpcinfo queries RPC servers and reports registered services. It's used to diagnose RPC connectivity and view available network services like NFS.
The tool provides information about program numbers, versions, protocols, and ports for registered RPC services.
PARAMETERS
-s host
Show concise table of services-m
Display rpcbind statistics-l host program version
List entries for service-d program version
Delete service registration
CAVEATS
Requires rpcbind to be running. Some operations require root privileges.
HISTORY
Part of standard Unix network utilities for RPC service management. Essential for NFS troubleshooting and configuration.