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Full Discussion: execution problem
Top Forums UNIX for Dummies Questions & Answers execution problem Post 302592004 by esumiba on Sunday 22nd of January 2012 09:30:00 AM
Old 01-22-2012
execution problem

HI

I am trying to check the status of port using command

/code:
netstat -an | grep port

/Output:

*.2009 *.* 0 0 65535 0 LISTEN

what i am trying to do is

i want to grep only status Wether the port is established/listen if so show ok else show error
and for same i am using below code:

/code:
netstat -an | grep *.2009 |awk '{ if ($7!="LISTEN" || $7!="ESTABLISHED")print "OK" ; else print $7;}'

/output:
OK



In this code i am trying to print ok if port is in "LISTEN and ESTABLISHED" mode else print $7(port status)


but when i run this code it always show OK either port is established or not.


Kindly correct it or suggest me the right code.

Last edited by Scott; 01-22-2012 at 12:15 PM.. Reason: Poor subject title (again); wrong sub-forum (again); no code tags (again)
 

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TRACE-CMD-LISTEN(1)													       TRACE-CMD-LISTEN(1)

NAME
trace-cmd-listen - listen for incoming connection to record tracing. SYNOPSIS
trace-cmd listen -p port [OPTIONS] DESCRIPTION
The trace-cmd(1) listen sets up a port to listen to waiting for connections from other hosts that run trace-cmd-record(1) with the -N option. When a connection is made, and the remote host sends data, it will create a file called trace.HOST:PORT.dat. Where HOST is the name of the remote host, and PORT is the port that the remote host used to connect with. OPTIONS
-p port This option will specify the port to listen to. -D This options causes trace-cmd listen to go into a daemon mode and run in the background. -d dir This option specifies a directory to write the data files into. -o filename This option overrides the default trace in the trace.HOST:PORT.dat that is created when a remote host connects. -l filename This option writes the output messages to a log file instead of standard output. SEE ALSO
trace-cmd(1), trace-cmd-record(1), trace-cmd-report(1), trace-cmd-start(1), trace-cmd-stop(1), trace-cmd-extract(1), trace-cmd-reset(1), trace-cmd-split(1), trace-cmd-list(1) AUTHOR
Written by Steven Rostedt, <rostedt@goodmis.org[1]> RESOURCES
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git COPYING
Copyright (C) 2010 Red Hat, Inc. Free use of this software is granted under the terms of the GNU Public License (GPL). NOTES
1. rostedt@goodmis.org mailto:rostedt@goodmis.org 06/11/2014 TRACE-CMD-LISTEN(1)
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