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projects:telegraph [2018/07/23 12:29]
127.0.0.1 external edit 		projects:telegraph [2018/11/09 23:03]
darron
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-==== Telegraph (SNMP/RRD/SQL) ====+==== Telegraph (SNMP/ICMP/RRD/SQL) ====
 <wrap right> <wrap right>
 {{:projects:telegraph.png?200}} {{:projects:telegraph.png?200}}
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 Telegraph is a project which will poll an SNMP Telegraph is a project which will poll an SNMP
-server and update an RRD or SQL (SQLite3) database.+server or PING a host and update an RRD or SQL (SQLite3) database with gathered data.
  
 A number of external SNMP daemon commands are supplied A number of external SNMP daemon commands are supplied
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 <code> <code>
 +sudo apt-get install mercurial
 hg clone http://hg.kewl.org/pub/telegraph hg clone http://hg.kewl.org/pub/telegraph
 cd telegraph cd telegraph
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  <graph title="CPU Temp" label="C" />  <graph title="CPU Temp" label="C" />
  <database type="rrd" filename="/var/lib/rrd/cpu.rrd" />  <database type="rrd" filename="/var/lib/rrd/cpu.rrd" />
- <query source="0" name="cpu" host="X.X.X.X" community="public" miboid="cpu" />+ <query source="0" name="cpu" host="X.X.X.X" community="public" extend="cpu" />
 </telegraph> </telegraph>
 </code> </code>
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 A CRON job will run every 5 minutes to update the RRD. A CRON job will run every 5 minutes to update the RRD.
 <code> <code>
-*/5 * * * * /usr/local/bin/telegraph /usr/local/etc/cpu.xml+*/5 * * * * /usr/local/bin/telegraph -d 0 cpu.xml
 </code> </code>
  
 === World wide web === === World wide web ===
  
-Example scripts exist in the demo directory of the project which +Example configuration exists in the demo directory of the project which 
-demonstrate how the RRD is queried to produce a graph of the values +is used to demonstrate its operation.
-stored within it.+
  
-The demo can be seen [[http://london.c2n.uk/|here]].+One demo can be seen [[http://london.c2n.uk/|here]].