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launching an automated telnet session using dtterm

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Operating Systems Solaris launching an automated telnet session using dtterm
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Old 07-28-2009
launching an automated telnet session using dtterm
Hi ,
I have to write a shell script which would be invoked from a Java program. The job of this script would be to launch a telnet session i was using dtterm for the same and the expect command to automate that.

spawn dtterm -e telnet <server ip address>

expect "Username:"
send "$username\r"
expect "Password:"
send "$pass\r"
interact

The problem here ia m facing is that the above script which is executed from within a java program opens the dtterm as a child process over which i don't have any control in my java program.But i need to kill this tell session when my java programm is getting closed.

Could you tell me how to capture the process id of the this new dtterm process and send it back to my java code which would later kill this telnet session .

//rajeev
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LEARN ABOUT CENTOS

telnet-probe

TELNET-PROBE(1) 					      General Commands Manual						   TELNET-PROBE(1)

NAME

       telnet-probe - lightweight telnet-like port probe

SYNOPSIS

       $PCP_BINADM_DIR/telnet-probe [-c] [-v] host port

DESCRIPTION

       telnet-probe  allows  the  pmdashping(1)  daemons  to establish connections to arbitrary local and remote service-providing daemons so that
       response time and service availability information can be obtained.

       The required host and port number arguments have the same meaning as their telnet(1) equivalents.

       The -c option causes telnet-probe to perform a connect(2) only.	This skips the read(2) and write(2) exercise that would otherwise be  done
       after connecting (see below).

       The -v option causes telnet-probe to be verbose while operating.

       Once the telnet connection has been established, telnet-probe reads from stdin until end-of-file, and writes all the input data to the tel-
       net connection.	Next, telnet-probe will read from the telnet connection until end-of-file, discarding whatever	data  it  receives.   Then
       telnet-probe exits.

       To  operate  successfully,  the input passed via telnet-probe to the remote service must be sufficient to cause the remote service to close
       the connection when the last line of input has been processed, e.g. ending with ``quit'' when probing SMTP on port 25.

       By default telnet-probe will not produce any output, unless there is an error in which case a diagnostic message can be displayed (in  ver-
       bose mode only) and the exit status will be non-zero indicating a failure.

PCP ENVIRONMENT

       Environment  variables  with  the prefix PCP_ are used to parameterize the file and directory names used by PCP.  On each installation, the
       file /etc/pcp.conf contains the local values for these variables.  The $PCP_CONF variable may be used to specify an alternative	configura-
       tion file, as described in pcp.conf(5).

DIAGNOSTICS

       If  telnet-probe  succeeds, then 0 will be returned.  If the attempt to establish a connection fails or is terminated, then a non-zero exit
       status is returned.

SEE ALSO

       PCPintro(1), pmdashping(1), pmie(1), telnet(1), connect(2), read(2) and write(2).

Performance Co-Pilot							PCP							   TELNET-PROBE(1)