Nagios is a widely used open source tool for monitoring server and network performance.
Server monitoring open source.
Sysadmins like nagios because it does everything.
There are many popular monitoring tools available in the market and we ve analyzed the top 11 open source linux monitoring tools.
Since good and free is always more attractive than good and expensive we ve put together a list of open source windows server monitoring tools that have proven their value in networks of many sizes.
It works with snmp and presents the network statistics in the form of easy to understand charts.
However one of the biggest obstacles is getting past the initial setup phase.
Nagios is one the most widely used network and server monitoring system that has been in the industry for almost 18 years.
Nagios monitors the network for problems caused by overloaded data links or network connections as well as monitoring routers switches and more.
Nagios core is open source and free and nagios xi is a commercial tool based on.
Cacti is another open source network monitoring tool that can be installed on linux or windows os.
Nagios can be complicated to install set.
Checkmk is a free and open source network server and application monitoring tool.
There are two versions of nagios.
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.
Fortunately the market now offers many good tools both commercial and open source for network and windows server monitoring.
Many it pros consider nagios to be cost effective and customizable and appreciate being able to seek support from its user community.
It is connected to rrdtool which allows us to generate graphs related to relevant network data.
5 best free and open source network monitoring software 1.