xref: /freebsd/usr.sbin/ypserv/ypinit.8 (revision a90b9d0159070121c221b966469c3e36d912bf82)
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31.Dd August 18, 2015
32.Dt YPINIT 8
33.Os
34.Sh NAME
35.Nm ypinit
36.Nd build and install NIS databases
37.Sh SYNOPSIS
38.Nm
39.Fl m
40.Op Ar domainname
41.Nm
42.Fl s
43.Ar master_server
44.Op Ar domainname
45.Nm
46.Fl u
47.Op Ar domainname
48.Sh DESCRIPTION
49The
50.Nm
51utility is a script which sets up databases on a Network Information Service
52(NIS)
53master or slave server.
54.Pp
55On a master server,
56.Nm
57creates the
58.Pa /var/yp/$DOMAINNAME
59directory, the
60.Pa /var/yp/ypservers
61file, and calls
62.Pa /var/yp/Makefile
63to create and populate an initial set of NIS maps.
64The maps are
65created from local source files using the
66.Xr yp_mkdb 8
67utility.
68The utility will prompt the user for a list of servers
69that support the specified domain; this list is used to populate
70the ypservers map.
71.Pp
72On a slave server,
73.Nm
74creates the
75.Pa /var/yp/$DOMAINNAME ,
76populates it with copies of the NIS maps from the master.
77The maps
78are obtained from the master using the
79.Xr ypxfr 8
80utility.
81The
82.Nm
83utility obtains the list of maps to transfer in one of two ways: if
84the system is configured as an NIS client and is bound to the master
85server,
86.Nm
87is able to use the
88.Xr ypwhich 1
89utility to obtain a list of maps exported by the master server.
90If the system is not configured as a client of the NIS master,
91.Nm
92uses a hardcoded list of maps, some of which may or may not actually
93exist on the master.
94The system administrator can edit the
95.Nm
96script and
97modify the map list if necessary.
98Otherwise, individual maps can
99be transferred manually from the master using
100.Xr ypxfr 8 .
101.Sh OPTIONS
102The
103.Nm
104utility supports the following options:
105.Bl -tag -width indent
106.It Fl m Op Ar domainname
107Set up a master server.
108By default,
109.Nm
110sets up a server for
111the system default domain.
112The user can override this default by specifying
113.Ar domainname
114explicitly.
115Maps are constructed from scratch using local files as templates using
116the
117.Xr yp_mkdb 8
118utility.
119.It Fl s Ar master_server Op Ar domainname
120Set up a slave server using
121.Ar master_name
122as the master.
123Maps are copied from
124.Ar master_server
125to the slave using
126.Xr ypxfr 8 .
127By default,
128.Nm
129sets up a server for
130the system default domain.
131The user can override this default by specifying
132.Ar domainname
133explicitly.
134.It Fl u Op Ar domainname
135Update the ypservers map on the master server.
136When a new slave
137server is added to a domain, its hostname must be added to the
138ypservers map so that
139.Xr yppush 8
140can propagate updates on the master to all of the slaves.
141.El
142.Sh FILES
143.Bl -tag -width /var/yp/master.passwd -compact
144.It Pa /etc/bootparams
145Bootparams source file
146.It Pa /etc/ethers
147Ethers data source file
148.It Pa /etc/eui64
149EUI64 data source file
150.It Pa /etc/group
151Group source file
152.It Pa /etc/hosts
153Hostname/IP address source file
154.It Pa /etc/netid
155RPC netid source file
156.It Pa /etc/networks
157Networks source file
158.It Pa /etc/protocols
159Protocols source file
160.It Pa /etc/publickey
161RPC public key/secret key source file
162.It Pa /etc/services
163Services data source file
164.It Pa /etc/shells
165Shells source file
166.It Pa /var/yp/master.passwd
167Passwd database source file
168.It Pa /var/yp/netgroup
169Netgroup data source file
170.It Pa /var/yp/ypservers
171Ypservers source file (generated by
172.Nm )
173.El
174.Sh SEE ALSO
175.Xr mknetid 8 ,
176.Xr revnetgroup 8 ,
177.Xr yp 8 ,
178.Xr yp_mkdb 8 ,
179.Xr yppush 8 ,
180.Xr ypserv 8 ,
181.Xr ypxfr 8
182.Sh HISTORY
183This version of
184.Nm
185is based on the
186.Nm
187script in
188.Ox .
189It first appeared in
190.Fx 3.0 .
191.Sh AUTHORS
192.An -nosplit
193The original script was written by
194.An Mats O Jansson Aq Mt moj@stacken.kth.se .
195It was modified for
196.Fx
197by
198.An Bill Paul Aq Mt wpaul@ctr.columbia.edu .
199