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Full Discussion: Ping test using python
Top Forums Shell Programming and Scripting Ping test using python Post 302961161 by Aia on Tuesday 24th of November 2015 02:46:34 PM
Old 11-24-2015
subprocess is the module intended to be used instead of os.system

Maybe this might help:

Code:
import subprocess
import sys

host = 'myclient'
cmd = ['ping', '-c2', '-W 5', host ]
done = False
timeout = 10 # default time out after ten times, set to -1 to disable timeout

print "Rebooting .",
while not done and timeout:
        response = subprocess.Popen(cmd, stdout=subprocess.PIPE)
        stdout, stderr = response.communicate()
        if response.returncode == 0:
            print "Server up!"
            done = True
        else:
            sys.stdout.write('.')
            timeout -= 1
if not done:
       print "\nServer failed to respond"

Last edited by Aia; 11-24-2015 at 04:06 PM.. Reason: Adds prints to accomodate OP output
This User Gave Thanks to Aia For This Post:
ctrld
 

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LEARN ABOUT CENTOS

wbemexec

wbemexec(1)															       wbemexec(1)

NAME

       wbemexec - submit a CIM operation request to a CIM Server

SYNOPSIS

       wbemexec [ -h hostname ] [ -p portnumber ] [ -v httpversion ]
		[ -m httpmethod ] [ -t timeout ] [ -u username ]
		[ -w password ] [ -s ] [ --help ] [ --version ]
		[ inputfilepath ]

DESCRIPTION

       The wbemexec command provides a command line interface to a CIM Server.	The input to the command consists of a CIM request encoded in XML.
       The request is submitted to the CIM Server for execution.  If the HTTP response from the CIM Server contains a status code of 200 (OK), the
       result  returned  to stdout is the CIM response encoded in XML.	Otherwise, the result returned to stdout is the HTTP response.	Some types
       of invalid XML requests (e.g. missing PROTOCOLVERSION attribute or missing NAME attribute) are detected by wbemexec, and result in an error
       message	from  wbemexec.   Other invalid XML requests (e.g. invalid CIMVERSION attribute value or missing XML version), are detected by the
       CIM Server, and result in an HTTP response, containing a non-Success status code, such as 501 (Not Implemented) or 400 (Bad Request).

       By default, the request is sent as an HTTP/1.1 request, using the HTTP M-POST method, and wbemexec waits 20000 milliseconds  (20  seconds),
       then times out if a response hasn't been received.  Input is read from stdin, if no input file is specified.

       By  default, the operation is executed on the local host.  wbemexec first attempts to connect to the CIM Server on the default port for the
       wbem-http service, and if that fails, another attempt is made on the default port for the wbem-https service.

   Options
       wbemexec recognizes the following options:

	      -h hostname    Connect to the CIM Server on the specified host.  If this option is not specified, wbemexec  connects  to	the  local
			     host.

	      --help	     Display command usage information.

	      -m httpmethod  Use the specified HTTP method for the request.  The method must be "POST" or "M-POST".

	      -p portnumber  Connect  to  the  CIM Server on the specified port number.  If this option is not specified, wbemexec connects to the
			     default port for the wbem-http service, or if the -s option is specified, to the default port for the wbem-https ser-
			     vice.

	      -s	     Enable  the  use of the SSL protocol between and the CIM server.  The -s option should be specified if the CIM Server
			     on the specified hostname/portnumber expects clients to connect using HTTPS.

	      -t timeout     Wait the specified number of milliseconds on sending a request, before timing out if no response has  been  received.
			     The timeout value must be an integer value greater than 0.

	      -u username    Connect as the specified R username .  If username is not specified, the current logged in user is used for authenti-
			     cation.  This option is ignored if neither hostname nor portnumber is specified.

	      -v httpversion Use the specified HTTP version for the request.  The version must be "1.0" or "1.1".  The	1.0  version  may  not	be
			     specified if the M-POST method is specified.

	      --version      Display CIM Server version.

	      -w password    Authenticate the connection using the specified password .  This option is ignored if neither hostname nor portnumber
			     is specified.  WARNING: A password should not be specified on the command line on a multi-user system, since command-
			     line options are typically world-readable for a short window of time.  If the remote host requests authentication and
			     this option is not specified, wbemexec will prompt for the password.  (See cimconfig (1) for information on configur-
			     ing the CIM Server.)

EXIT STATUS

       When  an  error	occurs, an explanatory error message is written to stderr and an appropriate value is returned.  The following exit values
       are returned:

	      0      Success
	      1      Error

USAGE NOTE

       The wbemexec command requires that the CIM Server is running.

EXAMPLES

       Submit an XML request contained in the file cimrequest.xml to the CIM Server running on the local host on the default port:

	      wbemexec cimrequest.xml

       Submit an XML request contained in the file cimrequest.xml to the CIM Server running on the host hpserver on port 49152, using the username
       guest and password guest for authentication:

	      wbemexec -h hpserver -p 49152 -u guest -w guest cimrequest.xml

SEE ALSO

       cimserver(1), cimconfig(1).

STANDARDS CONFORMANCE

       wbemexec: CIM Operations over HTTP 1.0, Representation of CIM in XML 2.0

																       wbemexec(1)
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