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</o:shapelayout></xml><![endif]--></head><body lang=EL link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hello.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I have recently started experimenting with running a smokeping probe on a Rasberrypi box (it’s a mini pc board, which can run linux booting from an sd card, and comes with network interface and usb ports, etc. The Rasberrypi’s card is loaded with a customized version of Debian called Rasbian. I have added the packages needed for the libraries (fping, echoping, the perl libraries, etc) and have tried both adding the package for smokeping (with apt-get) and compiling from source (after of course removing the packaged version).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>When I try to run a probe on it using this command line<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console"'>./bin/smokeping --master-url=http://<myserver>/cgi-bin/smokeping.fcgi --cache-dir=/var/smokeping/ --slave-name=rasberrypi --shared-secret=/var/smokeping/secret.txt<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I get the normal message that the probe has communicated with the server and has received configuration. But no data is being graphed for this probe so I took a look at the log.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>This is what it says:<br></span><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:#6060FF'>/var/log #</span><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console"'> cat syslog | grep smokeping<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console"'>Feb 21 12:12:04 raspberrypi <span style='color:#FF4040'>smokeping</span>[2300]: Starting syslog logging<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console"'>Feb 21 12:12:04 raspberrypi <span style='color:#FF4040'>smokeping</span>[2304]: Smokeping version 2.006008 successfully launched.<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console"'>Feb 21 12:12:04 raspberrypi <span style='color:#FF4040'>smokeping</span>[2304]: Entering multiprocess mode.<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console"'>Feb 21 12:12:04 raspberrypi <span style='color:#FF4040'>smokeping</span>[2304]: No targets defined for probe TelnetIOSPing, skipping.<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console"'>Feb 21 12:12:04 raspberrypi <span style='color:#FF4040'>smokeping</span>[2304]: No targets defined for probe CiscoRTTMonEchoICMP, skipping.<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console"'>Feb 21 12:12:04 raspberrypi <span style='color:#FF4040'>smokeping</span>[2304]: No targets defined for probe EchoPingHttp, skipping.<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console"'>Feb 21 12:12:04 raspberrypi <span style='color:#FF4040'>smokeping</span>[2304]: Child process 2305 started for probe FPing.<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console"'>Feb 21 12:12:04 raspberrypi <span style='color:#FF4040'>smokeping</span>[2304]: All probe processes started successfully.<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console"'>Feb 21 12:12:04 raspberrypi <span style='color:#FF4040'>smokeping</span>[2305]: FPing: probing 2 targets with step 300 s and offset 258 s.<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console"'>Feb 21 12:14:18 raspberrypi <span style='color:#FF4040'>smokeping</span>[2305]: open3: exec of /usr/sbin/fping -C 20 -q -B1 -r1 -i10 <myfirsttarget> <mysecondtarget> failed at /opt/<span style='color:#FF4040'>smokeping</span>/bin/../lib/Smokeping/probes/FPing.pm line 143<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console"'>Feb 21 12:14:18 raspberrypi <span style='color:#FF4040'>smokeping</span>[2304]: Child process 2305 (probe FPing) exited unexpectedly with status 256.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>This is the same exactly as when I run it with the packaged version.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>After that I took a look at line 143:<br></span><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console";color:#1F497D'>my $pid = open3($inh,$outh,$errh, @cmd); </span><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console"'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I tried the debug option which showed the same thing as the log and after that I tried issuing that command myself:</span><span lang=EN-US style='font-size:9.0pt;font-family:"Lucida Console"'> <span style='color:#1F497D'>/usr/sbin/fping -C 20 -q -B1 -r1 -i10 <myfirsttarget>. </span><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>That gave me the message that there was no fping command at /usr/sbin. I found out it was at /usr/bin directory. So I created a symbolic link to overcome this problem.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I believe the slave takes the path for the probe from the master. Is there any way I can change that on the probe? Without using that symbolic link?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Using the Rasberrypi as a probe could prove to be very advantageous as it has very low power consumption and can be easily shipped and installed at remote locations (where you would need a probe).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Greetings to all,<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>-----------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Ioannis Theodoridis<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Network & Systems Engineer<o:p></o:p></span></p><p class=MsoNormal>-----------------------------------------------------<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>