Configure NIS Client2016/06/23

Configure NIS Client.
This example is based on the environment below.

+----------------------+          |          +----------------------+
| [    NIS Server    ] |10.0.0.30 | 10.0.0.31| [    NIS Client    ] |
|    dlp.srv.world     +----------+----------+     www.srv.world    |
|                      |                     |                      |
+----------------------+                     +----------------------+

[1]	Configure NIS client.

[root@www ~]#

dnf -y install ypbind rpcbind

# set NIS domain

[root@www ~]#

ypdomainname srv.world

[root@www ~]#

echo "NISDOMAIN=srv.world" >> /etc/sysconfig/network

[root@www ~]#

authconfig \
--enablenis \
--nisdomain=srv.world \
--nisserver=dlp.srv.world \
--enablemkhomedir \
--update

[root@www ~]#

systemctl start rpcbind ypbind

[root@www ~]#

systemctl enable rpcbind ypbind

[root@www ~]#

exit

www login:

redhat

# NIS user

Password:

# NIS password

Creating home directory for redhat.

[redhat@www ~]$

# just logined

# validation

[redhat@www ~]$

ypwhich

dlp.srv.world

# try to change NIS password

[redhat@www ~]$

yppasswd

Changing NIS account information for redhat on dlp.srv.world.
Please enter old password:

# current one

Changing NIS password for redhat on dlp.srv.world.
Please enter new password:

# new one

Please retype new password:

The NIS password has been changed on dlp.srv.world.

[2]	If SELinux is enabled, it needs to add a rule to allow creating home directories automatically by mkhomedir.

[root@www ~]#

dnf -y install checkpolicy policycoreutils-python-utils

[root@www ~]#

vi mkhomedir.te

# create new

module mkhomedir 1.0;

require {
        type unconfined_t;
        type oddjob_mkhomedir_exec_t;
        class file entrypoint;
}

#============= unconfined_t ==============
allow unconfined_t oddjob_mkhomedir_exec_t:file entrypoint;

[root@www ~]#

checkmodule -m -M -o mkhomedir.mod mkhomedir.te

checkmodule: loading policy configuration from mkhomedir.te
checkmodule: policy configuration loaded
checkmodule: writing binary representation (version 17) to mkhomedir.mod
[root@www ~]#

semodule_package --outfile mkhomedir.pp --module mkhomedir.mod

[root@www ~]#

semodule -i mkhomedir.pp

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