ypmake(8)ypmake(8)NAMEypmake - rebuild Network Information Service (NIS) database using the
make command
SYNOPSIS
cd /var/yp make [options] [map]
OPTIONS
The options argument can be used to override the default values of
three special variables used by make: Instructs make to use the source
files in the specified directory. The default is /var/yp/src.
Instructs make to construct a domain other than the master's default
domain. The DOM variable in the /var/yp/Makefile file must be set to
the domain name before running make. If you run ypsetup, the DOM vari‐
able is set when you specify a domain name. Specifies the database
routines used to store NIS maps. The choices are: btree -- Recommended
when creating and maintaining very large maps. dbm/ndbm -- For back‐
ward compatibility. This is the default. hash -- A potentially
quicker method for managing small maps. When non-null inhibits updat‐
ing of the new database files using the yppush(8) function. The default
is the null string.
To override the default values of these special variables, an options
argument format of special_variable = value is used. See the EXAMPLES
section for an example.
The map argument supplied on the command line instructs make to update
only the specified map. The specified maps are those located at
/var/yp/{domain}, where {domain} is the NIS domain name. Some typical
entries for the map argument are passwd, hosts, and networks. Typing
make passwd creates and updates the NIS password database, if it is out
of date. The make command distributes the updated password database to
the slave servers using yppush(8). Therefore, typing make host or make
networks creates and updates the host and network files,
/var/yp/src/hosts and /var/yp/src/networks, respectively, on the master
and slave servers.
See ypfiles(4) and ypserv(8) for an overview of NIS.
DESCRIPTION
The make command uses the /var/yp/Makefile file to build an NIS data‐
base. With no arguments, make creates databases for any NIS maps that
are out-of-date, and then executes yppush(8) to notify slave servers
that there has been a change.
Note
Execute the make command only at an NIS master server machine. If it
is executed from either a slave server or an NIS client machine, the
created changes will only be overwritten when the next NIS master
server machine update, using ypxfr(8), is performed.
RESTRICTIONS
You must use the same database format for each map in a domain. In
addition, a server serving multiple NIS domains must use the same data‐
base format for all domains.
Although a Tru64 UNIX NIS server that takes advantage of btree files
will be able to store very large maps, NIS slave servers that lack this
feature might have a much smaller limit on the number of map entries
they can handle. It may not be possible to distribute very large maps
from a Tru64 UNIX NIS master server to a slave server that lacks sup‐
port for very large maps. NIS clients are not affected by these
enhancements.
EXAMPLES
This example causes make to create a password NIS map for the domain
NewDomain instead of for the default domain: make DOM=NewDomain passwd
SEE ALSO
Commands: make(1), makedbm(8), yppush(8), ypserv(8), ypxfr(8)
Files: ypfiles(4)ypmake(8)
