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- apt-get install rrdtool
- if RRDs.pm is missing apt-get install librrds-perl
- apt-get collectd
- Zum weiterlesen
- Messdaten mit RRDtool und Perl verwalten http://www.linux-magazin.de/Artikel/ausgabe/2004/06/perl/perl.html
- my example:
- RRDs::create($DB, "--step=300", #300 = every 5 min
- "DS:innen:GAUGE:1800:-30.0:70.0", #FHT80 room temperature
- "DS:bad:GAUGE:1800:-30.0:70.0", #HMS100TF bath temperature
- "DS:wasser:GAUGE:1800:-30.0:70.0", #HMS100T water temperature
- "RRA:AVERAGE:0.5:1:288",
- "RRA:MAX:0.5:12:168",
- "RRA:MIN:0.5:12:168",
- "RRA:AVERAGE:0.5:288:365") or die "Create error: ($RRDs::error)";
- Modification on collection.cgi
- temperature => [
- 'DEF:temp_avg={file}:bad:AVERAGE',
- 'DEF:temp_min={file}:bad:MIN',
- 'DEF:temp_max={file}:bad:MAX',
- 'DEF:i_avg={file}:innen:AVERAGE',
- 'DEF:i_min={file}:innen:MIN',
- 'DEF:i_max={file}:innen:MAX',
- 'DEF:w_avg={file}:wasser:AVERAGE',
- 'DEF:w_min={file}:wasser:MIN',
- 'DEF:w_max={file}:wasser:MAX',
- "AREA:temp_max#$HalfBlue",
- "AREA:temp_min#$Canvas",
- "LINE1:temp_avg#$FullRed:Bad",
- 'GPRINT:temp_min:MIN:%4.1lf Min,',
- 'GPRINT:temp_avg:AVERAGE:%4.1lf Avg,',
- 'GPRINT:temp_max:MAX:%4.1lf Max,',
- 'GPRINT:temp_avg:LAST:%4.1lf zuletzt\l',
- "LINE2:i_avg#$FullGreen:Innen",
- 'GPRINT:i_min:MIN:%4.1lf Min,',
- 'GPRINT:i_avg:AVERAGE:%4.1lf Avg,',
- 'GPRINT:i_max:MAX:%4.1lf Max,',
- 'GPRINT:i_avg:LAST:%4.1lf zuletzt\l',
- "LINE3:w_avg#$FullBlue:Wasser",
- 'GPRINT:w_min:MIN:%4.1lf Min,',
- 'GPRINT:w_avg:AVERAGE:%4.1lf Avg,',
- 'GPRINT:w_max:MAX:%4.1lf Max,',
- 'GPRINT:w_avg:LAST:%4.1lf zuletzt\l'
-
- ],
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