Scientific Linux 6
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Configure NIS Server
2011/03/16
  Configure NIS Server in order to share users' accounts in your local networks.
[root@master ~]#
yum -y install ypserv rpcbind


[root@master ~]#
ypdomainname srv.world
 
# set NIS domain name

[root@master ~]#
vi /etc/sysconfig/network


NETWORKING=yes
HOSTNAME=dlp.srv.world
# add at the the last line

NISDOMAIN=srv.world


[root@master ~]#
vi /var/yp/Makefile


# MERGE_PASSWD=true|false
# line 42: change

MERGE_PASSWD=
false


# MERGE_GROUP=true|false
# line 46: change

MERGE_GROUP=
false


# line 117: add

all: passwd
shadow
 group hosts rpc services netid protocols

[root@master ~]#
vi /var/yp/securenets


255.255.255.0
10.0.0.0


[root@master ~]#
vi /etc/hosts


# add own IP address

10.0.0.100
master   master.srv.world


[root@master ~]#
/etc/rc.d/init.d/rpcbind start

Starting portmap:
[  OK  ]

[root@master ~]#
/etc/rc.d/init.d/ypserv start

Starting YP server services:
[  OK  ]

[root@master ~]#
/etc/rc.d/init.d/yppasswdd start

Starting YP passwd service:
[  OK  ]

[root@master ~]#
chkconfig rpcbind on

[root@master ~]#
chkconfig ypserv on

[root@master ~]#
chkconfig yppasswdd on


[root@master ~]#
/usr/lib64/yp/ypinit -m
# update NIS database


At this point, we have to construct a list of the hosts which will run NIS servers. master is in the list of NIS server hosts. Please continue to add the names for the other hosts, one per line. When you are done with the
list, type a <control D>.
next host to add: master

next host to add:
# push Ctrl + D key

The current list of NIS servers looks like this:

master

Is this correct? [y/n: y]
y
# answer yes

We need a few minutes to build the databases...
Building /var/yp/srv.world/ypservers...
Running /var/yp/Makefile...
gmake[1]: Entering directory `/var/yp/srv.world'
Updating passwd.byname...
Updating passwd.byuid...
Updating shadow.byname...
Updating group.byname...
Updating group.bygid...
Updating hosts.byname...
Updating hosts.byaddr...
Updating rpc.byname...
Updating rpc.bynumber...
Updating services.byname...
Updating services.byservicename...
Updating netid.byname...
Updating protocols.bynumber...
Updating protocols.byname...
Updating mail.aliases...
gmake[1]: Leaving directory `/var/yp/srv.world'

master has been set up as a NIS master server.

Now you can run ypinit -s master on all slave server.

# It's neccessary to update NIS database with following way if new user is added again

[root@master ~]#
cd /var/yp

[root@master yp]#
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