{"id":190,"date":"2009-03-19T00:29:12","date_gmt":"2009-03-18T22:29:12","guid":{"rendered":"http:\/\/www.netexpertise.eu\/fr\/?p=190"},"modified":"2021-10-06T21:50:10","modified_gmt":"2021-10-06T20:50:10","slug":"mrtg-grapher-seulement-une-valeur","status":"publish","type":"post","link":"http:\/\/www.netexpertise.eu\/fr\/reseau\/supervision\/mrtg-grapher-seulement-une-valeur.html","title":{"rendered":"Grapher seulement une valeur dans MRTG"},"content":{"rendered":"<div style=\"float:left; margin-right:15px; margin-top:0px;\">\n<script async=\"\" src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<!-- 200x200, Netexpertise --><br \/>\n<ins class=\"adsbygoogle\" style=\"display:inline-block;width:200px;height:200px\" data-ad-client=\"ca-pub-6495750100906580\" data-ad-slot=\"1946825373\"><\/ins><br \/>\n<script><br \/>\n(adsbygoogle = window.adsbygoogle || []).push({});<br \/>\n<\/script><\/div>\n<p><a href=\"http:\/\/oss.oetiker.ch\/mrtg\/\">MRTG<\/a> a besoin d&rsquo;au moins 2 valeurs pour g\u00e9n\u00e9rer des graphiques. Ainsi, la plupart des configurations contiennent deux fois la m\u00eame OID sur la ligne target.<br \/>\nCeci pose 2 probl\u00e8mes diff\u00e9rents:<br \/>\n&#8211; La m\u00eame donn\u00e9e est collect\u00e9e deux fois, ce qui n\u00e9cessite plus de bande passante, surtout quand un nombre important de hosts est supervis\u00e9<br \/>\n&#8211; La valeur peut varier pendant ce temps tr\u00e8s court, produisant 2 lignes diff\u00e9rentes sur le graphe. c&rsquo;est le cas pour le CPU des AS400 par exemple.<\/p>\n<p>Pour grapher seulement une valeur telle que le CPU ou l&rsquo;utilisation m\u00e9moire, vous pouvez \u00e9crire un petit script qui collecte la donn\u00e9e SNMP:<\/p>\n<pre>mrtg@snmp-server:~&gt; cat \/home\/mrtg\/get-cpu.sh\n#!\/bin\/sh\nIP=$1\nCOMMUNITY=$2\nSNMP_VERSION=$3\nCPU_LOAD=`snmpget -c $COMMUNITY -v $SNMP_VERSION $IP .1.3.6.1.2.1.25.3.3.1.2.2 | awk '{print $(NF) }'`\necho $CPU_LOAD\necho $CPU_LOAD\n<\/pre>\n<p>&nbsp;<br \/>\n<img src=\"\/images\/as400.cpu-day.png\" alt=\"MRTG CPU Usage\"><br \/>\n&nbsp;<br \/>\nRemplacez avec votre propre OID, et appelez le script depuis votre fichier de configuration MRTG:<\/p>\n<pre>Target[cpu]:`\/home\/mrtg\/get-cpu.sh mon_ip ma_communaute 1`\n<\/pre>\n<p>Facile et rapide!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MRTG a besoin d&rsquo;au moins 2 valeurs pour g\u00e9n\u00e9rer des graphiques. Ainsi, la plupart des configurations contiennent deux fois la m\u00eame OID sur la ligne target. Ceci pose 2 probl\u00e8mes diff\u00e9rents: &#8211; La m\u00eame donn\u00e9e est collect\u00e9e deux fois, ce qui n\u00e9cessite plus de bande passante, surtout quand un nombre important de hosts est supervis\u00e9 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[215],"tags":[219,223],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Netexpertise - Grapher seulement une valeur dans MRTG<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.netexpertise.eu\/fr\/reseau\/supervision\/mrtg-grapher-seulement-une-valeur.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Netexpertise - Grapher seulement une valeur dans MRTG\" \/>\n<meta property=\"og:description\" content=\"MRTG a besoin d&rsquo;au moins 2 valeurs pour g\u00e9n\u00e9rer des graphiques. Ainsi, la plupart des configurations contiennent deux fois la m\u00eame OID sur la ligne target. Ceci pose 2 probl\u00e8mes diff\u00e9rents: &#8211; La m\u00eame donn\u00e9e est collect\u00e9e deux fois, ce qui n\u00e9cessite plus de bande passante, surtout quand un nombre important de hosts est supervis\u00e9 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.netexpertise.eu\/fr\/reseau\/supervision\/mrtg-grapher-seulement-une-valeur.html\" \/>\n<meta property=\"og:site_name\" content=\"Netexpertise\" \/>\n<meta property=\"article:published_time\" content=\"2009-03-18T22:29:12+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-10-06T20:50:10+00:00\" \/>\n<meta name=\"author\" content=\"dave\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@netexpertise\" \/>\n<meta name=\"twitter:site\" content=\"@netexpertise\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"http:\/\/www.netexpertise.eu\/fr\/reseau\/supervision\/mrtg-grapher-seulement-une-valeur.html\",\"url\":\"http:\/\/www.netexpertise.eu\/fr\/reseau\/supervision\/mrtg-grapher-seulement-une-valeur.html\",\"name\":\"Netexpertise - Grapher seulement une valeur dans MRTG\",\"isPartOf\":{\"@id\":\"https:\/\/www.netexpertise.eu\/fr\/#website\"},\"datePublished\":\"2009-03-18T22:29:12+00:00\",\"dateModified\":\"2021-10-06T20:50:10+00:00\",\"author\":{\"@id\":\"https:\/\/www.netexpertise.eu\/fr\/#\/schema\/person\/e398f0307e2b167f6b884c4953be2632\"},\"breadcrumb\":{\"@id\":\"http:\/\/www.netexpertise.eu\/fr\/reseau\/supervision\/mrtg-grapher-seulement-une-valeur.html#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\/\/www.netexpertise.eu\/fr\/reseau\/supervision\/mrtg-grapher-seulement-une-valeur.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\/\/www.netexpertise.eu\/fr\/reseau\/supervision\/mrtg-grapher-seulement-une-valeur.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/www.netexpertise.eu\/fr\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Grapher seulement une valeur dans MRTG\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.netexpertise.eu\/fr\/#website\",\"url\":\"https:\/\/www.netexpertise.eu\/fr\/\",\"name\":\"Netexpertise\",\"description\":\"Syst\u00e8mes \/ R\u00e9seaux \/ DevOps\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.netexpertise.eu\/fr\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.netexpertise.eu\/fr\/#\/schema\/person\/e398f0307e2b167f6b884c4953be2632\",\"name\":\"dave\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.netexpertise.eu\/fr\/#\/schema\/person\/image\/\",\"url\":\"http:\/\/1.gravatar.com\/avatar\/1129916e1f4955bd632f27f836f64e55?s=96&d=mm&r=g\",\"contentUrl\":\"http:\/\/1.gravatar.com\/avatar\/1129916e1f4955bd632f27f836f64e55?s=96&d=mm&r=g\",\"caption\":\"dave\"},\"sameAs\":[\"http:\/\/www.netexpertise.eu\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Netexpertise - Grapher seulement une valeur dans MRTG","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"http:\/\/www.netexpertise.eu\/fr\/reseau\/supervision\/mrtg-grapher-seulement-une-valeur.html","og_locale":"fr_FR","og_type":"article","og_title":"Netexpertise - Grapher seulement une valeur dans MRTG","og_description":"MRTG a besoin d&rsquo;au moins 2 valeurs pour g\u00e9n\u00e9rer des graphiques. 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