How to enable rsh on linux

[S.Kumaresan_1]

I am installing Veritas Backup Exec Remote Agent on linux Server and I getting the below message:

Verify communication with (Hostname)....ping successful.....is an unsupported platform
Attempting rsh with (Hostname)....rsh on (Hostname) results in extraneous characters
CPI WARNING V-9-10-1020
mail cannot communicate with or does not have rsh
permissions with the following system (Hostname)

I've attempted by adding 'rsh', 'rlogin', 'rexec' in /etc/securetty

I get:
Trying krb4 rsh...
connect to address (Hostname): Connection refused
trying normal rsh (/usr/bin/rsh)
(Hostname): Connection refused

Can anyone help me to solve this problem...

Thanks & Regards

Kumar

[Alexander Chuzhoy]

On the Linux backup client:
1. Add a file /root/.rhosts with the IP of the backup server.

2. Execute 'chkconfig rsh on'

[Armin Norouzi]

1) Install rsh-server package on the linux machine.
2) Add the ip address and the user of the backup server to .rhosts:
# echo "192.168.100.100 root" >> ~/.rhosts
3) Start required services:
# chkconfig xinetd on
# chkconfig rsh on
# chkconfig rexec on
# chkconfig rlogin on
# service xinetd restart