03-27-2009
This is my client setup
# cat /etc/nsswitch.conf
#
# /etc/nsswitch.nis:
#
# An example file that could be copied over to /etc/nsswitch.conf; it
# uses NIS (YP) in conjunction with files.
#
# "hosts:" and "services:" in this file are used only if the
# /etc/netconfig file has a "-" for nametoaddr_libs of "inet" transports.
# NIS service requires that svc:/network/nis/client:default be enabled
# and online.
# the following two lines obviate the "+" entry in /etc/passwd and /etc/group.
passwd: files nis
group: files nis
# consult /etc "files" only if nis is down.
hosts: nis [NOTFOUND=return] files
# Note that IPv4 addresses are searched for in all of the ipnodes databases
# before searching the hosts databases.
ipnodes: nis [NOTFOUND=return] files
networks: nis [NOTFOUND=return] files
protocols: nis [NOTFOUND=return] files
rpc: nis [NOTFOUND=return] files
ethers: nis [NOTFOUND=return] files
netmasks: nis [NOTFOUND=return] files
bootparams: nis [NOTFOUND=return] files
publickey: nis [NOTFOUND=return] files
netgroup: nis
automount: files nis
aliases: files nis
# for efficient getservbyname() avoid nis
services: files nis
printers: user files nis
auth_attr: files nis
prof_attr: files nis
project: files nis
# cat /etc/hosts
#
# Internet host table
#
::1 localhost
127.0.0.1 localhost
192.168.2.60 client loghost
192.168.2.55 master
# hostname
client
# ping 192.168.2.55
192.168.2.55 is alive
# ping master
master is alive
######################
I did notice one problem that someone could help me out with
# pwd
/var/yp/binding/domain.com
# ls
ypservers
#
# cat ypservers
master
now when I run ypstart with an entry in the ypservers file
I get this error when I try ypwhich on the client
# ypwhich
Domain domain.com not bound on client.
BUT, if I move the ypservers file and run ypstart (ypbind will be started with the -broadcast option) and my ypwhich will work on the client
# ls
ypservers
# mv ypservers ypservers.bak
# pwd
/var/yp/binding/domain.com
# ypstart
starting NIS (YP server) services: ypbind done.
# ypwhich
master
# svcs -a | grep nis
disabled 22:00:11 svc:/network/rpc/nisplus:default
disabled 22:00:11 svc:/network/nis/server:default
disabled 22:00:12 svc:/system/patch-finish:delete
disabled 22:00:15 svc:/network/nis/passwd:default
disabled 22:00:15 svc:/network/nis/update:default
disabled 22:00:15 svc:/network/nis/xfr:default
online 22:11:04 svc:/network/nis/client:default
# rpcinfo -p localhost
program vers proto port service
100000 4 tcp 111 rpcbind
100000 3 tcp 111 rpcbind
100000 2 tcp 111 rpcbind
100000 4 udp 111 rpcbind
100000 3 udp 111 rpcbind
100000 2 udp 111 rpcbind
100007 3 udp 32875 ypbind
100007 2 udp 32875 ypbind
100007 1 udp 32875 ypbind
100007 3 tcp 32843 ypbind
100007 2 tcp 32843 ypbind
100007 1 tcp 32843 ypbind
Anyone have an idea? I can get more information if anyone needs it to help diagnose my problem... Thanks for the replies so far! I feel maybe I can get this figured out with your help!
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ypbind(1M) System Administration Commands ypbind(1M)
NAME
ypbind - NIS binder process
SYNOPSIS
/usr/lib/netsvc/yp/ypbind [-broadcast | -ypset | -ypsetme]
DESCRIPTION
NIS provides a simple network lookup service consisting of databases and processes. The databases are stored at the machine that runs an
NIS server process. The programmatic interface to NIS is described in ypclnt(3NSL). Administrative tools are described in ypinit(1M),
ypwhich(1), and ypset(1M). Tools to see the contents of NIS maps are described in ypcat(1), and ypmatch(1).
ypbind is a daemon process that is activated at system startup time from the svc:/network/nis/client:default service. By default, it is
invoked as ypbind -broadcast. ypbind runs on all client machines that are set up to use NIS. See sysidtool(1M). The function of ypbind is
to remember information that lets all NIS client processes on a node communicate with some NIS server process. ypbind must run on every
machine which has NIS client processes. The NIS server may or may not be running on the same node, but must be running somewhere on the
network. If the NIS server is a NIS+ server in NIS (YP) compatibility mode, see the NOTES section of the ypfiles(4)man page for more infor-
mation.
The information ypbind remembers is called a binding -- the association of a domain name with a NIS server. The process of binding is
driven by client requests. As a request for an unbound domain comes in, if started with the -broadcast option, the ypbind process broad-
casts on the net trying to find an NIS server, either a ypserv process serving the domain or an rpc.nisd process in "YP-compatibility mode"
serving NIS+ directory with name the same as (case sensitive) the domain in the client request. Since the binding is established by broad-
casting, there must be at least one NIS server on the net. If started without the -broadcast option, ypbind process steps through the list
of NIS servers that was created by ypinit -c for the requested domain. There must be an NIS server process on at least one of the hosts in
the NIS servers file. All the hosts in the NIS servers file must be listed in either the /etc/hosts or /etc/inet/ipnodes files along with
their IP addresses. Once a domain is bound by ypbind, that same binding is given to every client process on the node. The ypbind process on
the local node or a remote node may be queried for the binding of a particular domain by using the ypwhich(1) command.
If ypbind is unable to speak to the NIS server process it is bound to, it marks the domain as unbound, tells the client process that the
domain is unbound, and tries to bind the domain once again. Requests received for an unbound domain will wait until the requested domain is
bound. In general, a bound domain is marked as unbound when the node running the NIS server crashes or gets overloaded. In such a case,
ypbind will try to bind to another NIS server using the process described above.ypbind also accepts requests to set its binding for a par-
ticular domain. The request is usually generated by the ypset(1M) command. In order for ypset to work, ypbind must have been invoked with
flags -ypset or -ypsetme.
OPTIONS
-broadcast Send a broadcast datagram using UDP/IP that requests the information needed to bind to a specific NIS server. This
option is analogous to ypbind with no options in earlier Sun releases and is recommended for ease of use.
-ypset Allow users from any remote machine to change the binding by means of the ypset command. By default, no one can
change the binding. This option is insecure.
-ypsetme Only allow root on the local machine to change the binding to a desired server by means of the ypset command.
ypbind can verify the caller is indeed a root user by accepting such requests only on the loopback transport. By
default, no external process can change the binding.
FILES
/var/yp/binding/ypdomain/ypservers
/etc/inet/hosts
/etc/inet/ipnodes
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWnisu |
+-----------------------------+-----------------------------+
SEE ALSO
svcs(1), ypcat(1), ypmatch(1), ypwhich(1), ifconfig(1M), rpc.nisd(1M), svcadm(1M), ypinit(1M), ypset(1M), ypclnt(3NSL), hosts(4), ipn-
odes(4), ypfiles(4), attributes(5), smf(5)
NOTES
ypbind supports multiple domains. The ypbind process can maintain bindings to several domains and their servers, the default domain is the
one specified by the domainname(1M) command at startup time.
The -broadcast option works only on the UDP transport. It is insecure since it trusts "any" machine on the net that responds to the broad-
cast request and poses itself as an NIS server.
The ypbind service is managed by the service management facility, smf(5), under the service identifier:
svc:/network/nis/client:default
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.
SunOS 5.10 16 Aug 2004 ypbind(1M)