Now since nagios has plugin support you can create graphs based on the gathered data by installing first party or.
Open source network monitoring tools.
The tool uses network polling and data collection functionality to gather information on devices on networks of any size.
Icinga provides business intelligence data for in depth analysis and a powerful command line interface.
Nagios is one of the popular when it comes to open source network monitoring tools.
Cacti is an open source network monitoring tool based on rrdtool s data logging and graphing system.
5 best free and open source network monitoring software 1.
While cacti is designed with a focus on data manipulation nagios s main focus is creating statuses and alerts on events based on gathered data.
Open source network monitoring refers to using typically free or low cost software built to monitor common network problems to understand the root cause of network errors.
This includes the ability to design custom scripts for data collection alongside support for snmp polling.
Cacti is another open source network monitoring tool that can be installed on linux or windows os.
Icinga is a linux based fully open source monitoring application which checks the availability of network resources and immediately notifies users when something goes down.
It works with snmp and presents the network statistics in the form of easy to understand charts.
This can take some time to get used to resulting in a steep learning curve and thus reduces its attractiveness to new users.
Checkmk is a free and open source network server and application monitoring tool.
Since this article is about open source network monitoring tools we will focus on nagios core.
It uses smart plug ins to collect data from different types of hardware and software and supports agent based as well as agentless monitoring via snmp http or through apis.
But the software isn t just free open source monitoring software is circulated under a licensing agreement so its code can be viewed shared and modified by users and.
It is connected to rrdtool which allows us to generate graphs related to relevant network data.
By default all the configuration e g.
Zabbix does network server cloud application and services monitoring very well.