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nagios (Description (offers monitoring and alerting services (servers,…
nagios
Description
offers monitoring and alerting services
servers
switches
applications
services
recursive acronym: "Nagios Ain't Gonna Insist On Sainthood
free and open source computer-software application that monitors systems
networks
infrastructure
originally designed to run under Linux
known as Nagios Core
free software licensed
Agents
NSClient++
mainly used to monitor Windows machines
installed on a remote system NSClient++
listens to port TCP 1248
allows to monitor the so-called 'private services'
NCPA
Nagios Cross Platform Agent is an open source project
installs on
Windows
Linux
Mac OS X
Created as a scale-able API
allows multiple checks such as memory usage
NRDP
Nagios Remote Data Processor
flexible data transport mechanism and processor
designed with an architecture that allows it to be easily extended and customized
uses standard ports and protocols (HTTP and XML)
can be implemented as a replacement for Nagios Service Check Acceptor
NRPE
allows remote system monitoring
Nagios Remote Plugin Executor
using scripts that are hosted on the remote systems
allows for monitoring of resources
number of users
system load
disk usage