{"id":5770,"date":"2023-02-16T17:41:36","date_gmt":"2023-02-16T12:11:36","guid":{"rendered":"https:\/\/trysiteprice.com\/blog\/?p=5770"},"modified":"2023-02-16T17:41:36","modified_gmt":"2023-02-16T12:11:36","slug":"centos-install-and-configure-mrtg","status":"publish","type":"post","link":"https:\/\/trysiteprice.com\/blog\/centos-install-and-configure-mrtg\/","title":{"rendered":"Centos Install and Configure MRTG"},"content":{"rendered":"<p>MRTG (Multi Router Traffic Grapher) is a tool that can monitor and graph the traffic load on network links. Here are the steps to install and configure MRTG on CentOS:<\/p>\n<ol>\n<li>Install the required packages:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs\">sudo yum install mrtg httpd httpd-tools net-snmp net-snmp-utils<br \/>\n<\/code><\/div>\n<\/div>\n<ol start=\"2\">\n<li>Create the MRTG configuration file \/etc\/mrtg\/mrtg.cfg using the following command:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-typescript\">sudo cfgmaker --<span class=\"hljs-variable language_\">global<\/span> <span class=\"hljs-string\">'WorkDir: \/var\/www\/mrtg'<\/span> --output=<span class=\"hljs-regexp\">\/etc\/m<\/span>rtg\/mrtg.<span class=\"hljs-property\">cfg<\/span> <span class=\"hljs-keyword\">public<\/span><span class=\"hljs-meta\">@localhost<\/span><br \/>\n<\/code><\/div>\n<\/div>\n<p>This command creates a configuration file for monitoring the localhost using SNMP and sets the output directory to \/var\/www\/mrtg.<\/p>\n<ol start=\"3\">\n<li>Create the log and data directory:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-bash\">sudo <span class=\"hljs-built_in\">mkdir<\/span> \/var\/log\/mrtg<br \/>\nsudo <span class=\"hljs-built_in\">mkdir<\/span> \/var\/lib\/mrtg<br \/>\nsudo <span class=\"hljs-built_in\">touch<\/span> \/var\/log\/mrtg\/mrtg.log<br \/>\n<\/code><\/div>\n<\/div>\n<ol start=\"4\">\n<li>Set the permissions on the log and data directories:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-bash\">sudo <span class=\"hljs-built_in\">chown<\/span> -R apache:apache \/var\/log\/mrtg \/var\/lib\/mrtg \/var\/www\/mrtg<br \/>\nsudo <span class=\"hljs-built_in\">chmod<\/span> -R 755 \/var\/log\/mrtg \/var\/lib\/mrtg \/var\/www\/mrtg<br \/>\n<\/code><\/div>\n<\/div>\n<ol start=\"5\">\n<li>Generate the first set of MRTG graphs by running the following command:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-bash\">sudo <span class=\"hljs-built_in\">env<\/span> LANG=C \/usr\/bin\/mrtg \/etc\/mrtg\/mrtg.cfg<br \/>\n<\/code><\/div>\n<\/div>\n<p>This command generates the first set of graphs and places them in \/var\/www\/mrtg.<\/p>\n<ol start=\"6\">\n<li>Edit the Apache configuration file \/etc\/httpd\/conf\/httpd.conf and add the following lines:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-css\">Alias \/mrtg \/<span class=\"hljs-selector-tag\">var<\/span>\/www\/mrtg<br \/>\n&lt;Directory \"\/<span class=\"hljs-selector-tag\">var<\/span>\/www\/mrtg\"&gt;<br \/>\n  Options <span class=\"hljs-attribute\">None<\/span><br \/>\n  AllowOverride <span class=\"hljs-attribute\">None<\/span><br \/>\n  <span class=\"hljs-attribute\">Order<\/span> allow,deny<br \/>\n  Allow <span class=\"hljs-selector-tag\">from<\/span> <span class=\"hljs-attribute\">all<\/span><br \/>\n&lt;\/Directory&gt;<br \/>\n<\/code><\/div>\n<\/div>\n<p>This sets up an alias for the MRTG graphs and allows access to them from a web browser.<\/p>\n<ol start=\"7\">\n<li>Restart the Apache web server:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs\">sudo systemctl restart httpd<br \/>\n<\/code><\/div>\n<\/div>\n<p>After completing these steps, you should be able to access the MRTG graphs by browsing to http:\/\/your_server_ip\/mrtg. The graphs should automatically update every 5 minutes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MRTG (Multi Router Traffic Grapher) is a tool that can monitor and graph the traffic load on network links. Here are the steps to install and configure MRTG on CentOS: Install the required packages: sudo yum install mrtg httpd httpd-tools net-snmp net-snmp-utils Create the MRTG configuration file \/etc\/mrtg\/mrtg.cfg using the following command: sudo cfgmaker &#8211;global &#8230; <a title=\"Centos Install and Configure MRTG\" class=\"read-more\" href=\"https:\/\/trysiteprice.com\/blog\/centos-install-and-configure-mrtg\/\" aria-label=\"Read more about Centos Install and Configure MRTG\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5770","post","type-post","status-publish","format-standard","hentry","category-best-tutorial"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Centos Install and Configure MRTG - TrySitePrice<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/trysiteprice.com\/blog\/centos-install-and-configure-mrtg\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Centos Install and Configure MRTG - TrySitePrice\" \/>\n<meta property=\"og:description\" content=\"MRTG (Multi Router Traffic Grapher) is a tool that can monitor and graph the traffic load on network links. Here are the steps to install and configure MRTG on CentOS: Install the required packages: sudo yum install mrtg httpd httpd-tools net-snmp net-snmp-utils Create the MRTG configuration file \/etc\/mrtg\/mrtg.cfg using the following command: sudo cfgmaker --global ... 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