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rpcbind(1M) rpcbind(1M)

NAME

rpcbind - universal addresses to RPC program number mapper

SYNOPSIS

rpcbind [-d][-w]

DESCRIPTION

rpcbind is a server that converts RPC program numbers into universal addresses. It must be running on

the host to be able to make RPC calls on a server on that machine.

When an RPC service is started, it tells rpcbind the address at which it is listening, and the RPC pro-

gram numbers it is prepared to serve. When a client wishes to make an RPC call to a given program

number, it ﬁrst contacts rpcbind on the server machine to determine the address where RPC requests

should be sent.

rpcbind should be started before any other RPC service. Normally, standard RPC servers are started by

port monitors, so rpcbind must be started before port monitors are invoked.

When rpcbind is started, it checks that certain name-to-address translation calls function correctly. If

they fail, the network conﬁguration databases may be corrupt. Since RPC services cannot function

correctly in this situation, rpcbind reports the condition and terminates.

rpcbind can only be started by the super-user.

Options

rpcbind recognizes the following options:

-d Run in debug mode. In this mode, rpcbind will not fork when it starts, will print addi-

tional information during operation, and will abort on certain errors. With this option, the

name-to-address translation consistency checks are shown in detail.

-w Do a warm start. If rpcbind aborts or terminates on SIGINT or SIGTERM, it will write

the current list of registered services to

/tmp/portmap.file

and

/tmp/rpcbind.file. Starting

rpcbind with the -w option instructs it to look for

these ﬁles and start operation with the registrations found in them. This allows

rpcbind

to resume operation without requiring all RPC services to be restarted.

WARNINGS

Terminating rpcbind with SIGKILL will prevent the warm-start ﬁles from being written.

All RPC servers must be restarted if the following occurs: rpcbind crashes (or is killed with SIGKILL

)

and is unable to to write the warm-start ﬁles;

rpcbind is started without the -w option after a graceful

termination; or, the warm-start ﬁles are not found by

rpcbind.

AUTHOR

rpcbind was developed by Sun Microsystems, Inc.

FILES

/tmp/portmap.file

/tmp/rpcbind.file