CentOS6 install and configure rsh and centos6rsh

CentOS6 install and configure rsh and centos6rsh

Basic information:
Node 1:
Ip: 192.168.8.166
Host Name: hadrtest01
Node 2:
Ip: 192.168.8.250
Host Name: hadrtest02

1. Install the rsh and rsh-server packages respectively.

yum -y install rsh rsh-server

2. Modify/etc/xinetd. d/rlogin to ensure that the row is disable = no.

# Default: on
# Description: rlogind is the server for the rlogin (1) program. The server \
# Provides a remote login facility with authentication based on \
# Privileged port numbers from trusted hosts.
Service login
{
Socket_type = stream
Wait = no
User = root
Log_on_success + = USERID
Log_on_failure + = USERID
Server =/usr/sbin/in. rlogind
Disable = no
}

Modify Node 2 as needed

3. Modify/etc/xinetd. d/rsh to ensure that the line is disable = no.

[Root @ hadrtest01 ~] # Cat/etc/xinetd. d/rsh
# Default: on
# Description: The rshd server is the server for the rcmd (3) routine and ,\
# Consequently, for the rsh (1) program. The server provides \
# Remote execution facilities with authentication based on \
# Privileged port numbers from trusted hosts.
Service shell
{
Socket_type = stream
Wait = no
User = root
Log_on_success + = USERID
Log_on_failure + = USERID
Server =/usr/sbin/in. rshd
Disable = no
}

Modify Node 2 as needed

4. edit/etc/securetty and add three lines: rexec, rsh, and rlogin.

echo "rexec rsh rlogin" >> /etc/securetty

5. edit/etc/hosts and add the ip address and Host Name of the two nodes.

[root@hadrtest01 ~]# cat /etc/hosts127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4::1 localhost localhost.localdomain localhost6 localhost6.localdomain6192.168.8.166 hadrtest01192.168.8.250 hadrtest02

Modify Node 2 as needed

6. Modify ~ /. Rhosts, add Node 1, node 2 host name, ip address

[root@hadrtest01 ~]# cat ~/.rhosts hadrtest01 roothadrtest02 root[root@hadrtest02 ~]# cat ~/.rhostshadrtest01 roothadrtest02 root

7. Start the service at two nodes
Restart:

service xinetd restart

Start startup:

chkconfig xinetd on

8. Test
Node 1:

[root@hadrtest01 ~]# rsh hadrtest02Last login: Tue Feb 16 17:44:56 from hadrtest01[root@hadrtest02 ~]# 

If you do not enter a password to log on to node 2, the installation is successful.

Node 2:

[root@hadrtest02 ~]# rsh hadrtest01Last login: Tue Feb 16 17:39:35 from hadrtest02[root@hadrtest01 ~]# 

If you do not enter a password to log on to node 1, the installation is successful.