Erlang Run-Time System Application (ERTS)

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ERTS Reference Manualepmd (Command)epmd (Command)This daemon acts as a name server on all hosts involved in distributed Erlangcomputations. When an Erlang node starts, the node has a name and it obtains anaddress from the host OS kernel. The name and the address are sent to the epmddaemon running on the local host. In a TCP/IP environment, the address consists of theIP address and a port number. The name of the node is an atom on the form ofName@Node. The job of the epmd daemon is to keep track of which node name listens onwhich address. Hence, epmd map symbolic node names to machine addresses.The daemon is started automatically by the Erlang start-up script.The program epmd can also be used for a variety of other purposes, for examplechecking the DNS (Domain Name System) configuration of a host.Exportsepmd [-daemon]Starts a name server as a daemon. If it has no argument, the epmd runs as a normalprogram with the controlling terminal of the shell in which it is started. Normally, itshould run as a daemon.epmd -namesepmd -killepmd -helpRequests the names of the local Erlang nodes epmd has registered.Kills the epmd process.Write short info about the usage including some debugging options not listed here.Erlang Run-Time System Application (ERTS)7
epmd (Command)ERTS Reference ManualLoggingOn some operating systems syslog will be used for error reporting when epmd runs as andaemon. To enable the error logging you have to edit /etc/syslog.conf file and add anentry!epmd*&ld;TABs>/var/log/epmd.logwhere are real tab characters. Spaces will silently be ignored.8 Erlang Run-Time System Application (ERTS)
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