01-18-2010
Not sure about what you want.
Opening a port is usually more a firewall task. If you are really asking about enabling a service, use the svcadm command if managed by smf or just launch the daemon listening to that port. /etc/service setting isn't mandatory.
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/* Linux Slackware */
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-------------------------------
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LEARN ABOUT SUNOS
nfs4cbd
nfs4cbd(1M) nfs4cbd(1M)
NAME
nfs4cbd - NFS Version 4 callback daemon
SYNOPSIS
/usr/lib/nfs/nfs4cbd
The nfs4cbd daemon manages communication endpoints for the NFS Version 4 protocol callback program. nfs4cbd runs on the NFS Version 4
client and creates a listener port for each transport over which callbacks can be sent.
The nfs4cbd daemon is provided for the exclusive use of the NFS version 4 client.
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWnfscu |
+-----------------------------+-----------------------------+
svcs(1), mount_nfs(1M), svcadm(1M), attributes(5), smf(5)
The nfs4cbd service is managed by the service management facility, smf(5), under the service identifier:
svc:/network/nfs/cbd
Administrative actions on this service, such as enabling, disabling, or requesting restart, can be performed using svcadm(1M). The ser-
vice's status can be queried using the svcs(1) command.
If it is disabled, it will be enabled by mount_nfs(1M) and automountd(1M) on the first NFSv4 mount, unless its application/auto_enable
property is set to false.
This daemon might not exist in a future release of Solaris.
11 Apr 2005 nfs4cbd(1M)