Tuesday, August 31, 2010

Install and Configure telnet :

Install and Configure telnet :

Install telnet:

# yum install telnet*

This will install telnet and xinetd packages...

# chkconfig telnet on
# chkconfig xinetd on
# /etc/init.d/xinetd start

# vi /etc/xinetd.d/telnet

# default: on
# description: The telnet server serves telnet sessions; it uses \
#       unencrypted username/password pairs for authentication.
service telnet
        flags           = REUSE
        socket_type     = stream
        wait            = no
        user            = root
        server          = /usr/sbin/in.telnetd
        log_on_failure  += USERID
        disable         = no

# /etc/init.d/xinetd restart

To connect:

telnet {host ip}

# telnet 192.168.1.x

# telnet 192.168.1.x
Trying 192.168.1.x...
Connected to 192.168.1.x.
Escape character is '^]'.
Fedora release 9 (Sulphur)
Kernel 2.6.33-default on an x86_64 (4)

Give the username and password....


If you got an error like

"getaddrinfo: localhost Name or service not known 
Connection closed by foreign host."

check the /etc/hosts file having two lines.. localhost.localdomain localhost
192.168.1.x   restpc.com

where restpc.com is my host name..

And in /etc/sysconfig/network file also having the same HOSTNAME as restpc.com


The default port number of telnt 23.

To check the telnet port number

# /usr/sbin/semanage port -l | grep telnet
telnetd_port_t                 tcp      23


# cat /etc/services | grep telnet


To Download this document  in txt format just click the following link..


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