Install & configure service
# yum install telnet telnet-server -y
# vim /etc/xinetd.d/telnet
disable = no
# service xinetd restart
Allow auto-start service
# chkconfig telnet on
# chkconfig xinetd on
By default, telnet allows only standard user login.
Configure Telnet for root logins
Simply edit the file /etc/securetty and add the following to the end of the file:
This will allow up to 10 telnet sessions to the server as root.