History

User Management¶

Yellow Pages¶

The Network Information Service (NIS), also called Yellow Pages (YP) provides a single point for the entire cluster administration.

Configuration of the Master Node¶

Set NIS domain name on the master node. Enter at the command line:
```
  # domainname procksi.nis
```

Add NIS domain name to /etc/sysconfig/network:
```
  NISDOMAIN = procksi.nis
```

Modify /etc/yp.conf:
```
  ypserver 127.0.0.1
```

Enable NIS server at boot time. Enter at the command line:

  # /sbin/chkconfig --add ypserv  
  # /sbin/chkconfig --add yppasswdd
  # /sbin/chkconfig ypserv on
  # /sbin/chkconfig yppasswdd on

Start the NIS server. Enter at the command line:

  # /sbin/service ypserv start
  # /sbin/service yppasswdd start

Check that the NIS server is listening. Enter at the command line:

  # rpcinfo -p localhost |grep yp
   100009    1   udp    906  yppasswdd
   100004    2   udp    938  ypserv
   100004    1   udp    938  ypserv
   100004    2   tcp    941  ypserv
   100004    1   tcp    941  ypserv

Initialise the NIS databases. Enter at the command line:
```
  /usr/lib64/yp/ypinit -m
```

Enable NIS clients at boot time. Enter at the command line:

  # /sbin/chkconfig --add ypbind  
  # /sbin/chkconfig --add ypxfrd  
  # /sbin/chkconfig ypbind on
  # /sbin/chkconfig ypxfrd on

Configuration of the Slave Nodes¶

Add NIS domain name to /etc/sysconfig/network:
```
  NISDOMAIN = procksi.nis
```

Modify /etc/yp.conf:

  domain procksi.nis server master01.procksi.local

Enable NIS server at boot time. Enter at the command line:

  /sbin/chkconfig --add ypbind
  /sbin/chkconfig ypbind on

Start the NIS server. Enter at the command line:
```
  /sbin/service ypbind start
```

Check that the NIS binding is listening. Enter at the command line:

  # rpcinfo -p localhost |grep yp
   100007    2   udp    856  ypbind
   100007    1   udp    856  ypbind
   100007    2   tcp    859  ypbind
   100007    1   tcp    859  ypbind

Add ProCKSI groups¶

Make the followign changes on the master node:

Add new groups into /etc/group:

   procksi_admin:x:520:
   procksi_dev:x:510:

Add new Users¶

Make the following changes on the master node:

Add new users into /etc/passwd:

   procksi:x:510:510:ProCKSI-Server:/home/procksi:/bin/bash
   dxb:x:520:Daniel Barthel:/home/dxb:/bin/bash

Add an entry for the new users into /etc/shadow:

   procksi:[Add Encrypted Password]:13483:0:99999:7:::
   dxb:[Add Encrypted Password]:13755:0:99999:7:::

Add new procksi developers to group procksi_dev and new procksi administrator to procksi_admin. Edit /etc/group:
```
   procksi_admin:x:520:procksi, dxb
   procksi_dev:x:510:procksi, dxb
```

Generate home directory for procksi at /home/procksi. Enter at the command line of the master node:
```
   mkdir /home/procksi
   chown procksi.procksi /home/procksi
   chmod 770 /home/procksi
```

Whenever users, groups, passwords are modified, update the NIS configuration. Enter at the command line:
```
  # cd /var/yp
  # make
```