rsh configuration in linux

How to configure rsh in linux centos or redhat ..............????

This post shows you how to configure rsh in cluster environment

[root@lenovo ~]# yum install rsh rsh-server -y 

 Edit the configuration file for enabling rsh and rlogin

[root@lenovo ~]#vim /etc/xinetd.d/rsh

 service shell
 {
  socket_type             = stream
  wait                    = no
  user                    = root
  log_on_success          += USERID
  log_on_failure          += USERID
  server                  = /usr/sbin/in.rshd
  disable                 = no
 }

  you have to change only option "disable = no" .

 

[root@lenovo ~]# service xinetd restart 

 .rhosts file must be present in users home directory. This file allows a users to login without a password, Now i am going to create this file under root users home directory.

[root@lenovo ~]# vim ~/.rhosts
 

[root@lenovo ~]# cat ~/.rhosts
localhost
lenovo.example.com
client1.example.com
client2.example.com

 

[root@lenovo ~]# chmod 0600 ~/.rhosts

[root@lenovo ~]# vim /etc/securetty

Edit file /etc/securetty & append these entry

rsh 

rexec 

rlogin