mkdir -p \/var\/www\/cgi-bin<\/p>\n
ln -s \/usr\/lib\/cgi-bin\/mrtg-rrd.cgi \/var\/www\/cgi-bin\/mrtg-rrd.cgi<\/p>\n
chown -R www-data:www-data \/var\/www\/*<\/p>\n
sed -i ‘s|import Socket6;|Socket6->import(qw(inet_pton getaddrinfo));|’ \/usr\/share\/perl5\/SNMP_Session.pm<\/p>\n
mv \/etc\/mrtg.cfg \/etc\/mrtg.cfg.bak<\/p>\n
cd \/home\/pi<\/p>\n
su pi<\/p>\n
mkdir ~\/graph<\/p>\n
cd \/home\/pi\/graph<\/p>\n
nano temp-mrtg-update.sh<\/b><\/p>\n
\n<\/b>#!\/bin\/sh
\n# Temperatur von Sensor auslesen
\n# (c) Sebastian Hemel<\/p>\n
sensor=”\/sys\/bus\/w1\/devices\/28-00000511590a\/w1_slave”
\nif [ -f $sensor ]
\nthen
\nsensorraw=`cat $sensor`
\ncrc=`echo $sensorraw | cut -f2 -d= | cut -c4-6`
\nif [ “$crc” = “YES” ]
\nthen
\ntempraw=`echo $sensorraw | cut -f3 -d=`
\ntemp=`echo “scale=3; $tempraw \/ 1000” | bc`
\n#temp=`echo “scale=2; $tempraw \/ 1000” | bc`<\/p>\n
# Update database
\n#echo $temp
\nprintf “%04.2f” $temp
\necho 0
\necho 0
\necho temperature
\nfi
\nfi<\/p><\/blockquote>\n
<\/p>\n
chmod 750 \/home\/pi\/graph\/temp-mrtg-update.sh<\/p>\n
sudo cfgmaker –global “Options[_]: growright” –global “IconDir: \/mrtg” –global “WriteExpires: Yes” –global “Language: german” –global “RunAsDaemon: yes” –global “EnableIPv6: no” –global “LogFormat: rrdtool” –global “Interval: 1” ‘–if-filter=$if_admin && $default_iftype’ –output \/etc\/mrtg.cfg public@localhost<\/p><\/blockquote>\n
<\/p>\n
<\/p>\n
editar\u00a0mrtg.cfg<\/i><\/strong><\/p>\n\nGlobal Config Options<\/p>\n
#\u00a0 for UNIX
\n# WorkDir: \/home\/http\/mrtg<\/p>\n
#\u00a0 for Debian
\nHtmlDir: \/var\/www\/mrtg
\nWorkDir: \/var\/www\/mrtg
\nImagedir: \/var\/www\/mrtg<\/p>\n
#\u00a0 or for NT
\n# WorkDir: c:\\mrtgdata<\/p>\n
### Global Defaults
\n#\u00a0 to get bits instead of bytes and graphs growing to the right
\n# Options[_]: growright, bits<\/p>\n
EnableIPv6: no
\nOptions[_]: growright
\nIconDir: \/mrtg
\nWriteExpires: Yes
\nLanguage: german
\nRunAsDaemon: yes
\nEnableIPv6: no
\nLogFormat: rrdtool
\nInterval: 1<\/p>\n
#####################################################################
\n# System: DS18S20 Temperatur Sensor
\n# Contact: root
\n# Location: attached to Raspberry Pi
\n#####################################################################
\n### DS18S20 Temperatur SensorIngolstadt
\nTimeStrPos[temp_ingolstadt]: RU
\nTarget[temp_ingolstadt]: `\/home\/pi\/graph\/temp-mrtg-update.sh`
\nOptions[temp_ingolstadt]: gauge,growright,nopercent,expscale,transparent
\nTitle[temp_ingolstadt]: Temperatur Ingolstadt
\nPageTop[temp_ingolstadt]: <h1>Temperatur Ingolstadt<\/h1>
\nMaxBytes[temp_ingolstadt]: 60
\n#Unscaled[temp_ingolstadt]: ymwd
\nStep[temp_ingolstadt]: 60
\nLegend1[temp_ingolstadt]: Gemessene Temperatur in Ingolstadt
\nLegendI[temp_ingolstadt]: Aussentemperatur
\nLegendO[temp_ingolstadt]:
\nYLegend[temp_ingolstadt]: Grad Celsius
\nShortLegend[temp_ingolstadt]: Grad \u00b0C<\/h3>\n<\/blockquote>\n
<\/p>\n
sudo cp \/usr\/share\/mrtg\/* \/var\/www\/mrtg\/<\/p>\n
sudo env LANG=C \/usr\/bin\/mrtg \/etc\/mrtg.cfg<\/p>\n
<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"
Tomado de aqu\u00ed: http:\/\/sebastianhemel.blogspot.com\/2016\/01\/raspberry-pi-monitoring-mit-mrtg-und.html Antes de instalar cualquier cosa hay que activar el sistema de 1wire en la Raspberry. Para lograr esto hay que editar el archivo nano \/boot\/config.txt Agregar dtoverlay=w1-gpio Esto hace que se active el gpio4, es decir el pin n\u00famero 7 en el header apt-get install mrtg mrtg-rrd rrdtool snmp snmpd Make … <\/p>\n
Continuar leyendo “MRTG para graficar datos de un DS18B20 en una Raspberry Pi”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"link","meta":{"footnotes":""},"categories":[6],"tags":[],"_links":{"self":[{"href":"https:\/\/ha.lc\/index.php?rest_route=\/wp\/v2\/posts\/167"}],"collection":[{"href":"https:\/\/ha.lc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ha.lc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ha.lc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ha.lc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=167"}],"version-history":[{"count":7,"href":"https:\/\/ha.lc\/index.php?rest_route=\/wp\/v2\/posts\/167\/revisions"}],"predecessor-version":[{"id":177,"href":"https:\/\/ha.lc\/index.php?rest_route=\/wp\/v2\/posts\/167\/revisions\/177"}],"wp:attachment":[{"href":"https:\/\/ha.lc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ha.lc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ha.lc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}