x SuSE Linux 13.1-RELEASE x
x SuSE Linux 13.1-RELEASEx
SAMBA-DCERPCD(8) System Administration tools SAMBA-DCERPCD(8)
NAME
samba-dcerpcd - This is one of Samba's DCERPC server processes that can
listen on sockets where RPC services are offered and is the parent
process of the DCERPC services it invokes. Unless separately invoked it
is started on demand from smbd or winbind and serves DCERPC only over
named pipes (np) as a helper process. This will be the standard setup
for most installations (standalone/member server/AD server) unless they
modify their startup scripts. Note in when Samba is configured as an
Active Directory Domain controller the samba process that invokes smbd
will still provide its normal DCERPC services, not samba-dcerpcd. When
separately invoked by system startup scripts or a daemon, the global
smb.conf option rpc start on demand helpers = false MUST be set to
allow samba-dcerpcd to start standalone.
SYNOPSIS
samba-dcerpcd [-D|--daemon] [-i|--interactive] [-F|--foreground]
[--no-process-group] [-d <debug level>] [--debug-stdout]
[--configfile=<configuration file>] [--option=<name>=<value>]
[--leak-report] [--leak-report-full] [-V|--version] [--libexec-rpcds]
[--np-helper] [--ready-signal-fd=<fd>] [<SERVICE_1>] [<SERVICE_2>]
[<...>]
DESCRIPTION
This tool is part of the samba(7) suite.
samba-dcerpcd can be used in two ways. In the normal case without
startup script modification and the global smb.conf option rpc start on
demand helpers = true is set (the default setting), it is invoked on
demand from smbd or winbind with a command line containing --np-helper
to serve DCERPC over named pipes (np). It can also be used in a
standalone mode where it is started separately from smbd or winbind via
system startup scripts. If invoked as a standalone daemon or started
from system startup scripts the global smb.conf option rpc start on
demand helpers = false MUST be set to false. If the global smb.conf
option rpc start on demand helpers = true is set to true or left as
default, samba-dcerpcd will fail to start and log an error message.
Note that when Samba is run in the Active Directory Domain Controller
mode the samba AD code will still provide its normal DCERPC services
whilst allowing samba-dcerpcd to provide services like SRVSVC in the
same way that smbd used to in this configuration.
The standalone mode can also be useful for use outside of the Samba
framework, for example, use with the Linux kernel SMB2 server ksmbd or
possibly other SMB2 server implementations. In this mode it behaves
like inetd and listens on sockets on behalf of RPC server
implementations.
When a client connects, samba-dcerpcd will start the relevant RPC
service binary on demand and hand over the connection to that service.
When an RPC service has been idle for a while, samba-dcerpcd will ask
it to shut down again.
OPTIONS
-D|--daemon
If specified, this parameter causes the server to operate as a
daemon. That is, it detaches itself and runs in the background,
fielding requests on the appropriate port. Operating the server as
a daemon is useful for running samba-dcerpcd outside of the Samba
framework. However, it can also be used in this way within Samba
for member servers if configured to start up via system startup
scripts. This switch is assumed if samba-dcerpcd is executed on the
command line of a shell.
-i|--interactive
If this parameter is specified it causes the server to run
"interactively", not as a daemon, even if the server is executed on
the command line of a shell. Setting this parameter negates the
implicit daemon mode when run from the command line. samba-dcerpcd
will only accept one connection and terminate. It will also log to
standard output, as if the -S parameter had been given.
-F|--foreground
If specified, this parameter causes the main samba-dcerpcd process
to not daemonize, i.e. double-fork and disassociate with the
terminal. Child processes are still spawned as normal to service
each connection request, but the main process does not exit. This
operation mode is suitable for running samba-dcerpcd under process
supervisors such as supervise and svscan from Daniel J. Bernstein's
daemontools package, or the AIX process monitor.
--no-process-group
Do not create a new process group for samba-dcerpcd.
--libexec-rpcds
Offer RPC services for all daemons in Samba's LIBEXECDIR, all
programs starting with "rpcd_" are assumed to offer RPC services.
If you don't use the --libexec-rpcds option, you can explicitly
list all RPC service helpers explicitly on the command line.
--np-helper
Run samba-dcerpcd on demand opening named pipe sockets as helpers
for smbd or winbind. In order to run in this mode, the global
smb.conf option rpc start on demand helpers = true must be set to
true (this is the default setting).
--ready-signal-fd=<fd>
Report service readiness via this fd to smbd or winbind. Only for
internal use.
AUTHOR
The original Samba software and related utilities were created by
Andrew Tridgell. Samba is now developed by the Samba Team as an Open
Source project similar to the way the Linux kernel is developed.
Samba 4.21.3-4.21.31.0SUSE-o 01/18/2025 SAMBA-DCERPCD(8)
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