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)
login:
Password:




Give the username and password....


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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..


127.0.0.1 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


oR


# cat /etc/services | grep telnet


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


http://www.ziddu.com/download/15762093/InstallandConfiguretelnet.txt.html





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