Date: Mon, 9 Mar 1998 22:07:14 -0600 (CST) From: Font <font@Mcs.Net> To: Doug White <dwhite@resnet.uoregon.edu> Cc: Atipa <freebsd@atipa.com>, questions@FreeBSD.ORG Subject: Re: How to setup NIS slave server? Message-ID: <Pine.BSF.3.95.980309215812.18306B-100000@Jupiter.Mcs.Net> In-Reply-To: <Pine.BSF.3.96.980309002324.3844o-100000@gdi.uoregon.edu>
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I have done this once before, but lost Atipa's original post. Through
Doug White's magic, though, I can make a decent reply.
A slave server is started up by configuring the rc.conf pretty much as
one configures the master server. However, the maps on the slave must
be manually transferred over the first time the slave is set up. I
use a script something like this (soft returns where appropriate):
#!/bin/sh
for i in group.bygid netid.byname protocols.bynumber group.byname
networks.byaddr rpc.byname hosts.byaddr networks.byname rpc.bynumber
hosts.byname passwd.byname services.byname master.passwd.byname
passwd.byuid ypservers master.passwd.byuid protocols.byname
do
echo $i
/usr/libexec/ypxfr -d mydomain -h mymaster.dom.com -s mydomain $i
done
This is run on the slave. Of course, on the master, the ypservers
file in /var/yp should know about the slave server.
Generally, you need an NIS server on each network. Since NIS clients
bind using broadcasts, they won't cross networks. Generally a slave
server also has itself as a client.
Credit for all of my words really goes to Bill Paul, who sent me an
informative message when I was starting out with NIS. Now I return
the favor to everyone else. :-)
A bug in my MUA causes news.announce.newusers font
to be sent to beneficiaries and senders of UCE/SPAM. @
mcs.net
Wishes are like dishes.
On Mon, 9 Mar 1998, Doug White wrote:
> Date: Mon, 9 Mar 1998 00:24:35 -0800 (PST)
> From: Doug White <dwhite@gdi.uoregon.edu>
> Reply-To: Doug White <dwhite@resnet.uoregon.edu>
> To: Atipa <freebsd@atipa.com>
> Cc: Robert Beer <r-beer@onu.edu>, stephen farrell <stephen@farrell.org>,
> freebsd-questions@FreeBSD.ORG
> Subject: Re: How to setup NIS slave server?
>
> On Sat, 7 Mar 1998, Atipa wrote:
>
> >
> > Thanks to all who helped w/ my earlier quesiton. Got everything working
> > fine.
> >
> > NIS is doing everything I want it to, except maintain multiple servers. I
> > can not find any documentation anywhere as to how one would designate
> > master/slave servers. ypserv has no such option.
>
> Although I don't claim to be a NIS expert, I'm under the impression that
> `slave' servers are defined by the client using ypset -S. Slaves can act
> like DNS secondaries and ypbind to the master server to grab data, though.
>
> I'm hoping you found the yp and ypserv man pages by now.
>
> Doug White | University of Oregon
> Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant
> http://gladstone.uoregon.edu/~dwhite | Computer Science Major
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