Network's server monitoring and analysis using Nagios

Network Monitoring is a procedure used to monitor a computer network system and notify the network administrator in case of any outages. It is necessary to diagnose and report the issues that would lead to failure or irregularity in the network. The performance and usage of a network can also be monitored. Network monitoring can be done as server and application monitoring. The process of monitoring server's system resources like CPU Usage, Memory Consumption, I/O, Network, Disk Usage, Bandwidth etc. is Server Monitoring. In this paper, server monitoring is done using Nagios, which is an open source tool. Several nodes are added to the network and the performance and status of the network are monitored. The data is collected and real time statistics is provided and the performance of the network is analyzed. The main motive is to alert the network administrator by methods like SMS or E-mail in case of any failure in the network. This helps in securing the network by alerting the potential issues in real time.

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