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