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How to Install Munin (Network Monitoring Tool) in CentOS, Red Hat & Fedora

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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>
<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;"># /etc/init.d/munin-node start
# chkconfig munin-node on
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Restart Apache service</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;"># service httpd restart
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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>
<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;">http://172.0.0.200/munin  (This is my local system)
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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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How to Install Munin (Network Monitoring Tool) in CentOS, Red Hat & Fedora

How to Install Munin (Network Monitoring Tool) in CentOS, Red Hat & Fedora Munin is a networked resource monitoring tool that can ...

yum command: Update / Install Packages Under Redhat Enterprise / CentOS Linux Version 5.x

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<span style="color: #0b5394; font-family: Georgia, Times New Roman, serif; font-size: large;"><u><b>yum command: Update / Install Packages Under Redhat Enterprise / CentOS Linux Version 5.x</b></u></span><br />
<span style="color: #0b5394; font-family: Georgia, Times New Roman, serif; font-size: large;"><u><b><br /></b></u></span>
<span style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px;">How do I use yum command to update and patch my Red hat Enterprise Linux / CentOS Linux version 5.x server via RHN / Internet? Can I use up2date command under RHEL 5?</span><br />
up2date command<span style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px;"> was part of RHEL v4.x or older version. You need to use yum command to update and patch the system using RHN or Internet. Use </span><strong style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin: 0px; padding: 0px; word-wrap: break-word;">yum command</strong><span style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px;"> to install critical and non-critical security updates as well as binary packages. Login as the root user to install and update the system.</span><br />
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Task: Register my system with RHN</h2>
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To register your system with RHN type the following command and just follow on screen instructions (CentOS user skip to next step):<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># rhn_register</code></div>
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Task: Display list of updated software (security fix)</h2>
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Type the following command at shell prompt:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># yum list updates</code></div>
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Task: Patch up system by applying all updates</h2>
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To download and install all updates type the following command:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># yum update</code></div>
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Task: List all installed packages</h2>
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List all installed packages, enter:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># rpm -qa<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /># yum list installed</code><br style="margin: 0px; padding: 0px; word-wrap: break-word;" />Find out if httpd package installed or not, enter:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># rpm -qa | grep httpd*<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /># yum list installed httpd</code></div>
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Task: Check for and update specified packages</h2>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; padding: 0px; word-wrap: break-word;">
<code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># yum update {package-name-1}</code><br style="margin: 0px; padding: 0px; word-wrap: break-word;" />To check for and update httpd package, enter:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># yum update httpd</code></div>
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Task: Search for packages by name</h2>
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Search httpd and all matching perl packages, enter:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># yum list {package-name}<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /># yum list {regex}<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /># yum list httpd<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /># yum list perl*</code><br style="margin: 0px; padding: 0px; word-wrap: break-word;" />Sample output:</div>
<pre style="background-color: #fafbfc; clear: both; color: #666666; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; overflow: auto; padding: 14px; tab-size: 4; word-wrap: normal;">Loading "installonlyn" plugin
Loading "security" plugin
Setting up repositories
Reading repository metadata in from local files
Installed Packages
perl.i386                                4:5.8.8-10.el5_0.2     installed
perl-Archive-Tar.noarch                  1.30-1.fc6             installed
perl-BSD-Resource.i386                   1.28-1.fc6.1           installed
perl-Compress-Zlib.i386                  1.42-1.fc6             installed
perl-DBD-MySQL.i386                      3.0007-1.fc6           installed
perl-DBI.i386                            1.52-1.fc6             installed
perl-Digest-HMAC.noarch                  1.01-15                installed
perl-Digest-SHA1.i386                    2.11-1.2.1             installed
perl-HTML-Parser.i386                    3.55-1.fc6             installed
.....
.......
..
perl-libxml-perl.noarch                  0.08-1.2.1             base
perl-suidperl.i386                       4:5.8.8-10.el5_0.2     updates </pre>
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Task: Install the specified packages [ RPM(s) ]</h2>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; padding: 0px; word-wrap: break-word;">
Install package called httpd:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># yum install {package-name-1} {package-name-2}<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /># yum install httpd</code></div>
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Task: Remove / Uninstall the specified packages [ RPM(s) ]</h2>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; padding: 0px; word-wrap: break-word;">
Remove package called httpd, enter:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># yum remove {package-name-1} {package-name-2}<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /># yum remove httpd</code></div>
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Task: Display the list of available packages</h2>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; padding: 0px; word-wrap: break-word;">
<code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># yum list all</code></div>
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Task: Display list of group software</h2>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; padding: 0px; word-wrap: break-word;">
Type the following command:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># yum grouplist</code><br style="margin: 0px; padding: 0px; word-wrap: break-word;" />Output:</div>
<pre style="background-color: #fafbfc; clear: both; color: #666666; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; overflow: auto; padding: 14px; tab-size: 4; word-wrap: normal;">Installed Groups:
   Engineering and Scientific
   MySQL Database
   Editors
   System Tools
   Text-based Internet
   Legacy Network Server
   DNS Name Server
   Dialup Networking Support
   FTP Server
   Network Servers
   Legacy Software Development
   Legacy Software Support
   Development Libraries
   Graphics
   Web Server
   Ruby
   Printing Support
   Mail Server
   Server Configuration Tools
   PostgreSQL Database
Available Groups:
   Office/Productivity
   Administration Tools
   Beagle
   Development Tools
   GNOME Software Development
   X Software Development
   Virtualization
   GNOME Desktop Environment
   Authoring and Publishing
   Mono
   Games and Entertainment
   XFCE-4.4
   Tomboy
   Java
   Java Development
   Emacs
   X Window System
   Windows File Server
   KDE Software Development
   KDE (K Desktop Environment)
   Horde
   Sound and Video
   FreeNX and NX
   News Server
   Yum Utilities
   Graphical Internet
Done
</pre>
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Task: Install all the default packages by group</h2>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; padding: 0px; word-wrap: break-word;">
Install all 'Development Tools' group packages, enter:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># yum groupinstall "Development Tools"</code></div>
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Task: Update all the default packages by group</h2>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; padding: 0px; word-wrap: break-word;">
Update all 'Development Tools' group packages, enter:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># yum groupupdate "Development Tools"</code></div>
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Task: Remove all packages in a group</h2>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; padding: 0px; word-wrap: break-word;">
Remove all 'Development Tools' group packages, enter:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># yum groupremove "Development Tools"</code></div>
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Task: Install particular architecture package</h2>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; padding: 0px; word-wrap: break-word;">
If you are using 64 bit RHEL version it is possible to install 32 packages:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># yum install {package-name}.{architecture}<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /># yum install mysql.i386</code></div>
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Task: Display packages not installed via official RHN subscribed repos</h2>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; padding: 0px; word-wrap: break-word;">
Show all packages not available via subscribed channels or repositories i.e show packages installed via other repos:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># yum list extras</code><br style="margin: 0px; padding: 0px; word-wrap: break-word;" />Sample output:</div>
<pre style="background-color: #fafbfc; clear: both; color: #666666; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; overflow: auto; padding: 14px; tab-size: 4; word-wrap: normal;">Loading "installonlyn" plugin
Loading "security" plugin
Setting up repositories
Reading repository metadata in from local files
Extra Packages
DenyHosts.noarch                         2.6-python2.4          installed
VMwareTools.i386                         6532-44356             installed
john.i386                                1.7.0.2-3.el5.rf       installed
kernel.i686                              2.6.18-8.1.15.el5      installed
kernel-devel.i686                        2.6.18-8.1.15.el5      installed
lighttpd.i386                            1.4.18-1.el5.rf        installed
lighttpd-fastcgi.i386                    1.4.18-1.el5.rf        installed
psad.i386                                2.1-1                  installed
rssh.i386                                2.3.2-1.2.el5.rf       installed
</pre>
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Task: Display what package provides the file</h2>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; padding: 0px; word-wrap: break-word;">
You can easily find out what RPM package provides the file. For example find out what provides the /etc/passwd file:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># yum whatprovides /etc/passwd</code><br style="margin: 0px; padding: 0px; word-wrap: break-word;" />Sample output:</div>
<pre style="background-color: #fafbfc; clear: both; color: #666666; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; overflow: auto; padding: 14px; tab-size: 4; word-wrap: normal;">Loading "installonlyn" plugin
Loading "security" plugin
Setting up repositories
Reading repository metadata in from local files
setup.noarch                             2.5.58-1.el5           base
Matched from:
/etc/passwd
setup.noarch                             2.5.58-1.el5           installed
Matched from:
/etc/passwd
</pre>
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<code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"></code></div>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; padding: 0px; word-wrap: break-word;">
You can use same command to list packages that satisfy dependencies:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># yum whatprovides {dependency-1} {dependency-2}</code><br style="margin: 0px; padding: 0px; word-wrap: break-word;" />Refer yum command man page for more information:<br style="margin: 0px; padding: 0px; word-wrap: break-word;" /><code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"># man yum</code></div>
<span style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px;"><br /></span></div>

yum command: Update / Install Packages Under Redhat Enterprise / CentOS Linux Version 5.x

yum command: Update / Install Packages Under Redhat Enterprise / CentOS Linux Version 5.x How do I use yum command to update and patch my...

How To Install EPEL Repo on a CentOS and RHEL 7.x

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<span style="color: #0b5394; font-family: "georgia" , "times new roman" , serif; font-size: large;"><u>How To Install EPEL Repo on a CentOS and RHEL 7.x</u></span><br />
<span style="background-color: white; color: #111111; font-family: "arial" , "helvetica neue" , "helvetica" , sans-serif; font-size: 16px; line-height: 27px;"><br /></span>
<span style="background-color: white; color: #111111; font-family: "arial" , "helvetica neue" , "helvetica" , sans-serif; font-size: 16px; line-height: 27px;">How do I install the extra repositories such as Fedora EPEL repo on a Red Hat Enterprise Linux server version 7.x or CentOS Linux server version 7.x?</span><br />
<br />
<span id="more-54372" style="background-color: white; color: #111111; font-family: "arial" , "helvetica neue" , "helvetica" , sans-serif; font-size: 16px; line-height: 27px; margin: 0px; padding: 0px; word-wrap: break-word;"></span>See Also "<a href="http://www.hackthesec.co.in/2016/01/centos-rhel-scientific-linux-6-enable.html">CentOS / RHEL / Scientific Linux 4.x/5.x/6.x Enable & Install EPEL Repo</a>"<br />
<span style="background-color: white; color: #111111; font-family: "arial" , "helvetica neue" , "helvetica" , sans-serif; font-size: 16px; line-height: 27px;"><br /></span>
<span style="background-color: white; color: #111111; font-family: "arial" , "helvetica neue" , "helvetica" , sans-serif; font-size: 16px; line-height: 27px;">You can easily install various packages by configuring a CentOS 7.x or RHEL 7.x system to use Fedora EPEL repos and third party packages. Please note that these packages are not officially supported by either CentOS or Red Hat, but provides many popular packages and apps.</span><br />
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Commands to install EPEL repo on a CentOS Linux and RHEL 7.x</h2>
<ol style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin: 0px 0px 27px 27px; padding: 0px; word-wrap: break-word;">
<li style="margin: 0px; padding: 0px; word-wrap: break-word;">Open a shell prompt.</li>
<li style="margin: 0px; padding: 0px; word-wrap: break-word;">Or login to a host called server1 using ssh client.</li>
<li style="margin: 0px; padding: 0px; word-wrap: break-word;">Install epel using the following command: <kbd style="margin: 0px; padding: 0px; word-wrap: break-word;">yum -y install epel-release</kbd></li>
<li style="margin: 0px; padding: 0px; word-wrap: break-word;">Refresh repo by typing the following commad: <kbd style="margin: 0px; padding: 0px; word-wrap: break-word;">yum repolist</kbd></li>
</ol>
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How to install RHEL EPEL repository on Centos 7.x or RHEL 7.x</h2>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; padding: 0px; word-wrap: break-word;">
The following instructions assumes that you are running command as root user on a CentOS/RHEL 7.x system and want to use use Fedora Epel repos.</div>
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<span style="color: #009900; margin: 0px; padding: 0px; word-wrap: break-word;"><br /></span></h3>
<h3 style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin: 0px; padding: 0px; word-wrap: break-word;">
<span style="color: #009900; margin: 0px; padding: 0px; word-wrap: break-word;">Method #1: Install Extra Packages for Enterprise Linux repository configuration (recommended)</span></h3>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; padding: 0px; word-wrap: break-word;">
Just type the following yum command on a CentOS 7 or RHEL 7</div>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; padding: 0px; word-wrap: break-word;">
<span style="color: #c20cb9; font-family: "consolas" , "monaco" , "menlo" , "courier" , "verdana" , sans-serif; font-weight: bold; margin: 0px; padding: 0px; word-wrap: break-word;">  sudo</span><span style="background-color: #fafbfc; color: #666666; font-family: "consolas" , "monaco" , "menlo" , "courier" , "verdana" , sans-serif;"> yum </span><span style="color: #c20cb9; font-family: "consolas" , "monaco" , "menlo" , "courier" , "verdana" , sans-serif; font-weight: bold; margin: 0px; padding: 0px; word-wrap: break-word;">install</span><span style="background-color: #fafbfc; color: #666666; font-family: "consolas" , "monaco" , "menlo" , "courier" , "verdana" , sans-serif;"> epel-release</span></div>
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<span style="color: #6666cc; margin: 0px; padding: 0px; word-wrap: break-word;">Method #2: Install the extra EPEL repositories from dl.fedoraproject.org</span></h3>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; padding: 0px; word-wrap: break-word;">
The command is as follows to download epel release for CentOS and RHEL 7.x using wget command:</div>
<pre class="bash" style="background-color: #fafbfc; clear: both; color: #666666; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; font-size: 16px; line-height: 27px; margin-bottom: 27px; overflow: auto; padding: 14px; tab-size: 4; word-wrap: normal;"><span style="color: #7a0874; font-weight: bold; margin: 0px; padding: 0px; word-wrap: break-word;">cd</span> /tmp
<span style="color: #c20cb9; font-weight: bold; margin: 0px; padding: 0px; word-wrap: break-word;">wget</span> https://dl.fedoraproject.org/pub/epel/epel-release-latest<span style="color: black; margin: 0px; padding: 0px; word-wrap: break-word;">-7</span>.noarch.rpm
<span style="color: #c20cb9; font-weight: bold; margin: 0px; padding: 0px; word-wrap: break-word;">ls</span> *.rpm</pre>
<pre class="bash" style="clear: both; font-size: 16px; line-height: 27px; margin-bottom: 27px; overflow: auto; padding: 14px; tab-size: 4; word-wrap: normal;"><div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; margin-bottom: 27px; padding: 0px; white-space: normal; word-wrap: break-word;">
To install epel-release-7-5.noarch.rpm, type:</div>
<pre class="bash" style="background-color: #fafbfc; clear: both; color: #666666; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; margin-bottom: 27px; overflow: auto; padding: 14px; tab-size: 4; word-wrap: normal;"> 
<span style="color: #c20cb9; font-weight: bold; margin: 0px; padding: 0px; word-wrap: break-word;">sudo</span> yum <span style="color: #c20cb9; font-weight: bold; margin: 0px; padding: 0px; word-wrap: break-word;">install</span> epel-release<span style="color: black; margin: 0px; padding: 0px; word-wrap: break-word;">-7</span>.noarch.rpm
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Sample outputs:</div>
<pre class="ini" style="background-color: #fafbfc; clear: both; color: #666666; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; margin-bottom: 27px; overflow: auto; padding: 14px; tab-size: 4; word-wrap: normal;">Loaded plugins: amazon-id, rhui-lb
Examining epel-release<span style="margin: 0px; padding: 0px; word-wrap: break-word;">-7</span><span style="margin: 0px; padding: 0px; word-wrap: break-word;">-2</span>.noarch.rpm: epel-release<span style="margin: 0px; padding: 0px; word-wrap: break-word;">-7</span><span style="margin: 0px; padding: 0px; word-wrap: break-word;">-2</span>.noarch
Marking epel-release<span style="margin: 0px; padding: 0px; word-wrap: break-word;">-7</span><span style="margin: 0px; padding: 0px; word-wrap: break-word;">-2</span>.noarch.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package epel-release.noarch <span style="margin: 0px; padding: 0px; word-wrap: break-word;">0</span>:<span style="margin: 0px; padding: 0px; word-wrap: break-word;">7</span><span style="margin: 0px; padding: 0px; word-wrap: break-word;">-2</span> will be installed
--> Finished Dependency Resolution
 
Dependencies <span style="color: #000099; margin: 0px; padding: 0px; word-wrap: break-word;">Resolved
 
</span>=<span style="color: #660066; margin: 0px; padding: 0px; word-wrap: break-word;">===============================================================================</span>
 Package            Arch         Version   Repository                      <span style="color: #000099; margin: 0px; padding: 0px; word-wrap: break-word;">Size
</span>=<span style="color: #660066; margin: 0px; padding: 0px; word-wrap: break-word;">===============================================================================</span>
Installing:
 epel-release       noarch       <span style="margin: 0px; padding: 0px; word-wrap: break-word;">7</span><span style="margin: 0px; padding: 0px; word-wrap: break-word;">-2</span>       /epel-release<span style="margin: 0px; padding: 0px; word-wrap: break-word;">-7</span><span style="margin: 0px; padding: 0px; word-wrap: break-word;">-2</span>.noarch        <span style="margin: 0px; padding: 0px; word-wrap: break-word;">22</span> k
 
Transaction <span style="color: #000099; margin: 0px; padding: 0px; word-wrap: break-word;">Summary
</span>=<span style="color: #660066; margin: 0px; padding: 0px; word-wrap: break-word;">===============================================================================</span>
Install  <span style="margin: 0px; padding: 0px; word-wrap: break-word;">1</span> Package
 
Total size: <span style="margin: 0px; padding: 0px; word-wrap: break-word;">22</span> k
Installed size: <span style="margin: 0px; padding: 0px; word-wrap: break-word;">22</span> k
Is this ok <span style="color: #000066; font-weight: bold; margin: 0px; padding: 0px; word-wrap: break-word;"><span style="margin: 0px; padding: 0px; word-wrap: break-word;">[</span>y/d/N<span style="margin: 0px; padding: 0px; word-wrap: break-word;">]</span></span>: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : epel-release<span style="margin: 0px; padding: 0px; word-wrap: break-word;">-7</span><span style="margin: 0px; padding: 0px; word-wrap: break-word;">-2</span>.noarch                                      <span style="margin: 0px; padding: 0px; word-wrap: break-word;">1</span>/<span style="margin: 0px; padding: 0px; word-wrap: break-word;">1</span>
  Verifying  : epel-release<span style="margin: 0px; padding: 0px; word-wrap: break-word;">-7</span><span style="margin: 0px; padding: 0px; word-wrap: break-word;">-2</span>.noarch                                      <span style="margin: 0px; padding: 0px; word-wrap: break-word;">1</span>/<span style="margin: 0px; padding: 0px; word-wrap: break-word;">1</span>
 
Installed:
  epel-release.noarch <span style="margin: 0px; padding: 0px; word-wrap: break-word;">0</span>:<span style="margin: 0px; padding: 0px; word-wrap: break-word;">7</span><span style="margin: 0px; padding: 0px; word-wrap: break-word;">-2</span>
 
Complete!
 </pre>
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List your new repos</h2>
<div style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; margin-bottom: 27px; padding: 0px; white-space: normal; word-wrap: break-word;">
Once installed you should see epel repo using the following yum repolist command
<code style="background-color: #fafbfc; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;">$ sudo yum repolist</code>
Sample outputs:</div>
<pre style="background-color: #fafbfc; clear: both; color: #666666; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; margin-bottom: 27px; overflow: auto; padding: 14px; tab-size: 4; word-wrap: normal;">Loaded plugins: amazon-id, rhui-lb
repo id                                         repo name                                         status
<strong style="margin: 0px; padding: 0px; word-wrap: break-word;"><span style="color: #009900; margin: 0px; padding: 0px; word-wrap: break-word;">epel/x86_64                                     Extra Packages for Enterprise Linux 7 - x86_64    5,610</span></strong>
rhui-REGION-client-config-server-7/x86_64       Red Hat Update Infrastructure 2.0 Client Configur     2
rhui-REGION-rhel-server-releases/7Server/x86_64 Red Hat Enterprise Linux Server 7 (RPMs)          4,718
repolist: 10,330
</pre>
<div>
<h2 style="background-color: white; color: #111111; font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif; font-size: 20px; font-weight: normal; line-height: 32px; margin: 41px 0px 14px; padding: 0px; white-space: normal; word-wrap: break-word;">
Search and install package</h2>
<div style="margin-bottom: 27px; padding: 0px; white-space: normal; word-wrap: break-word;">
<span style="color: #111111; font-family: "arial" , "helvetica neue" , "helvetica" , sans-serif;"><span style="background-color: white;">To list all available packages under a repo called epel, enter:</span></span>
<code style="background-color: #fafbfc; border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;">$ sudo yum --disablerepo="*" --enablerepo="epel" list available</code>
<span style="color: #111111; font-family: "arial" , "helvetica neue" , "helvetica" , sans-serif;"><span style="background-color: white;">OR</span></span>
<code style="background-color: #fafbfc; border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;">$ sudo yum --disablerepo="*" --enablerepo="epel" list available | grep 'package'</code>
<span style="color: #111111; font-family: "arial" , "helvetica neue" , "helvetica" , sans-serif;"><span style="background-color: white;">OR</span></span>
<code style="background-color: #fafbfc; border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 1px solid rgb(222, 222, 222); clear: both; color: #666666; display: block; font-family: Consolas, Monaco, Menlo, Courier, Verdana, sans-serif; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;">$ sudo yum --disablerepo="*" --enablerepo="epel" list available | less<span style="background-color: white; color: #111111; font-family: "arial" , "helvetica neue" , "helvetica" , sans-serif; line-height: 27px;">      </span></code><code style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 1px solid rgb(222, 222, 222); clear: both; display: block; line-height: 1em; margin: 0px; overflow: auto; padding: 21px; word-wrap: normal;"><span style="line-height: 27px;"><span style="color: #111111; font-family: "arial" , "helvetica neue" , "helvetica" , sans-serif;"><span style="background-color: white;">Hack The Security</span></span><span style="color: #666666; font-family: "consolas" , "monaco" , "menlo" , "courier" , "verdana" , sans-serif;"><span style="background-color: #fafbfc;"> </span></span></span></code></div>
</div>
</pre>
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