Wednesday, April 6, 2011

Telnet on RedHat

Introduction:
Telnet is a network protocol used on the Internet or local area networks to provide a bidirectional interactive text-oriented communications facility using a virtual terminal connection. User data is interspersed in-band with Telnet control information in an 8-bit byte oriented data connection over the Transmission Control Protocol (TCP).

Installing Telnet on Redhat:
yum is the easy way to installing telnet on redhat. You can use DVD repository if don't have RHN support.

#yum install telnet*

It'll install both server and client of telnet.

Enabling/Configuring telnet on RedHat

Open "/etc/xinetd.d/telnet" file using any editor,

Ex. #vim /etc/xinetd.d/telnet

In this file want to change "disable = yes" to "disable = no"

For restarting telnet service run following command, If getting error on stoping service ignore it

#service xinetd restart 
#chkconfig xinetd on

Now you can connect telnet server by telnet client on network.

Telnet client
In Linux, open terminal and run this command,  #telnet SERVER_IP
In Windows, open dos prompt,  >telnet SERVER_IP

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