Hack The Sec-Leading Resource Of Linux Tutorial: Munin

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How to Install Munin (Network Monitoring Tool) in CentOS, Red Hat & Fedora</h2>
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<span style="font-family: "arial" , "helvetica" , sans-serif;"><span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Munin</span> is a networked resource monitoring tool that can help analyze resource trends. <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Munin </span>the monitoring tool surveys all your computers and remembers what it saw. It presents all the information in graphs through a web interface.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">This article will help you to install Munin on your system.</span></div>
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 <a href="http://www.hackthesec.co.in/2016/01/how-to-install-awstats-apache-log.html" style="background-color: transparent; font-size: 16px; line-height: 28px; outline: none; text-decoration: none;">How to Install AWStats (Apache Log Analyzer)</a></h2>
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<span style="background-color: transparent; color: red; font-size: 16px; line-height: 28px;"> </span><a href="http://www.hackthesec.co.in/2016/01/how-to-setup-vnstat-network-traffic.html" style="background-color: transparent; font-size: 16px; line-height: 28px; outline: none; text-decoration: none;">Setup vnStat ( Web-based Network Monitoring Tool )</a></h2>
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<span style="color: #0b5394;">Step 1: Setup EPEL Repository</span></h5>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">First we need to add epel repository in our system. Use one of following command to install as per system architecture. <a href="http://www.hackthesec.co.in/2016/01/centos-rhel-scientific-linux-6-enable.html"><span style="color: orange;">How To Install EPEL Repository</span></a></span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; font-size: 0.9em; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"># yum install epel-release
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<span style="color: #0b5394;">Step 2: Install Munin Packages</span></h5>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Use following command to install Munin and required packages</span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; font-size: 0.9em; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"># yum --enablerepo=epel install munin munin-node rrdtool</span>
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<span style="color: #0b5394;">Step 3: Configure Apache</span></h5>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">By default Munin creates Apache configuration file <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">/etc/httpd/conf.d/munin.conf</span>. Edit Munin Apache configuration file and add following content.</span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; font-size: 0.9em; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"># vim /etc/httpd/conf.d/munin.conf</span>
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<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; font-size: 0.9em; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;">Alias /munin /var/www/html/munin
<Directory /var/www/html/munin>
    Options FollowSymLinks
    AllowOverride None
    Order allow,deny
    Allow from all
</Directory>

<directory /var/www/html/munin>
 AuthUserFile /etc/munin/munin-htpasswd
 AuthName "Munin"
 AuthType Basic
 require valid-user

ExpiresActive On
 ExpiresDefault M310
</directory>
ScriptAlias /munin-cgi/munin-cgi-graph /var/www/cgi-bin/munin-cgi-graph
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Create munin htpasswd file using following command</span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; font-size: 0.9em; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"># htpasswd -cm /etc/munin/munin-htpasswd muninadmin
New password:
Re-type new password:
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Above created login details will required to access Munin web interface.</span></div>
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Step 4: Restart Services</span></h5>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">First start Munin node service and configure to auto start on system boot.</span></div>
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# chkconfig munin-node on
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Restart Apache service</span></div>
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Step 5: Access Munin Web Interface</span></h5>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Open following url in browser to access Munin web interface. Change ip/domain as per your setup.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Wait approx one hour to view Munin graphs in web interface.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">For more details and configuration of munin refer following links</span><span style="color: #3d85c6; font-family: "roboto slab";"><a href="http://munin.readthedocs.org/en/latest/" style="outline: none; text-decoration: none;" target="_blank">http://munin.readthedocs.org/en/latest/</a><br /><a href="http://munin.readthedocs.org/en/latest/installation/configuration.html" style="outline: none; text-decoration: none;" target="_blank">http://munin.readthedocs.org/en/latest/installation/configuration.html</a></span></div>
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