Install Monitorix 3.8.1 (Network Monitoring Tool) on CentOS, RHEL & Fedora

Monitorix is a free, open source, lightweight system monitoring tool designed to monitor server, service and devices. Monitorix was developed for UNIX/LINUX servers, but due to its simplicity and small size it can be used on embedded devices as well. Monitorix project proudly announced the new release of Monitorix 3.8.1 on November 13, 2015. Also you can read Monitorix Installation on Ubuntu, Debian & Mint. Alternatively you can install other network monitoring tools such as Zabbix, Nagios, Cacti, Munin & Icinga2.

Monitorix uses two programs mainly 1) monitorix & 2) monitorix.cgi, a collector, called monitorix, which is a Perl daemon that is started automatically like any other system service, and a CGI script called monitorix.cgi. Since 3.0 version Monitorix includes its own HTTP server built in, so you aren’t forced to install a third-party web server to use it.

All of its development was initially created for monitoring Red Hat, Fedora and CentOS Linux systems, so this project was made by keeping in mind these type of distributions. Today it runs on different GNU/Linux distributions and even in other UNIX systems like FreeBSD, OpenBSD and NetBSD.

It is currently in active development adding new features, new graphs and correcting bugs in the attempt to offer a great tool for daily systems administration.

Monitorix Features

  • Added a complete statistical VerliHub (verlihub) graph.
  • Added a complete graph for Varnish proxy cache.
  • Improved ‘port’ option documentation of the Nginx graph in the main page of monitorix.conf.
  • Improved ” option documentation of the FS graph in the main page of monitorix.conf.
  • Improved the way how the process names are detected in module.
  • Now the output of the ‘command’ parameter in the ‘ps’ command is used to match the process names.
  • Zoomed graphs now honour the ‘global_zoom’ option, and also use the function RRDs::graphv to fit better in the browser pop up window. This is a feature only visible with RRDtool v1.3 or more.
  • Added an advice in ‘’ and ‘monitorix.conf(5)’ to not to use the character colon ‘:’ as part of the name or password since this character is used as field separator.
  • Added support for IPv6 in ‘ports’ graph using protocols ‘tcp6’ and ‘upd6’.
  • Port graph now uses the wait lock option (‘–wait’) in newer ‘iptables’ versions.
  • Added Dutch translation to monthly reports.
  • Removed the option ‘all’ as network protocol in the ‘port’ graph.
  • Fixed some bugs in the new Makefile.
  • Varnish cache 4.0 version supported
  • Fixed kernel version detection in FreeBSD 10.x which affected the Network graph.
  • Fixed missing HTML tag terminations in several modules.
  • Fixed the color in the footer URLs in Multihost mode.
  • Fixed a ‘403 Forbidden’ message in Apache generated by a misconfiguration in ‘monitorix-apache.conf’.
  • Fixed a bug in ‘netstat’ module that prevented, in some cases, counting correctly the opened connections either in IPv4 and IPv6.
  • Fixed a missing CDEF that prevented creating the ‘process05z.png’ graph when the option ‘show_gaps’ was enabled.
  • Fixed a bug in ‘’ module that prevented from seeing values in the network protocols usage graph.
  • Fixed to remove red background color in ‘port’ graph when the network port is enabled for outgoing connections.
  • Fixed to increase the timeout in ’emailreports’ from 30 to 120 seconds.

1) Install required packages to RPM Based System

Install below prerequisite packages to RPM based system such as CentOS, RHEL & Fedora. Also install enable EPEL & Remi repository on RPM system for other dependency software which will support the Monitorix.

# Install prerequisite packages for Monitorix (Use dnf instead of yum if you are using Fedora 22 & later) #
# yum install rrdtool rrdtool-perl perl-libwww-perl perl-MailTools perl-MIME-Lite perl-CGI perl-DBI perl-XML-Simple perl-Config-General perl-HTTP-Server-Simple perl-IO-Socket-SSL

2) Install monitorix packages

Install latest version of Monitorix directly from rpm file.

# Install Monitorix from rpm file #
# rpm -ivh

# Start, Restart & Enable For SysVinit systems #
# service monitorx start
# chkconfig monitorix on
# service httpd restart

# Start, Enable For Systemd systems #
# systemctl start monitorx.service
# systemctl enable monitorx.service
# systemctl restart httpd.service

3) Access monitorix on a RedHat/CentOS/Fedora Linux

Navigate your browser to http://localhost:8080/monitorix or http://IP-Address:8080/monitorix and choose the Graph and hit ok to view the graph. See the below screen shot for monitorix Home page.
Here i’m going to choose system load as average, active process & memory allocation grap.
Its, lightweight system monitoring tool and very handy to work on it. try at your end then give your valuable feedback.

About Magesh Maruthamuthu

Love to play with all Linux distribution

View all posts by Magesh Maruthamuthu

2 Comments on “Install Monitorix 3.8.1 (Network Monitoring Tool) on CentOS, RHEL & Fedora”

    1. @pras,
      It seem’s that you haven’t install the required dependencies. Install the below dependencies package and try once again.

      # yum install rrdtool rrdtool-perl perl-libwww-perl perl-MailTools perl-MIME-Lite perl-CGI perl-DBI
      perl-XML-Simple perl-Config-General perl-HTTP-Server-Simple perl-IO-Socket-SSL

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