期刊名称：Journal of Theoretical and Applied Information Technology
印刷版ISSN：1992-8645
电子版ISSN：1817-3195
出版年度：2016
卷号：87
期号：2
出版社：Journal of Theoretical and Applied
摘要：A powerful and excellent network monitoring system called Nagios helps the various organizations of medium and large scale to detect and solve the IT infrastructure monitoring related problems before they affect crucial and confidential business information. A new feature of services were added to the existing system which has no such type are configuration for Various levels of authentication, Bandwidth usage and alerting services. The Nagios alerts user whenever a defect occurs and alerts when the problem resolved. The alerts were delivered through email,sms,pager.The alert about a particular service can also be delivered through commenting the service from the admin manually. As there were group of admins, any can send alert to the hosts and the chance of conveying wrong alerts by any exist. So making the different login credentials to all the level of authorities helps the user to receive correct alert about the status of the service.The bandwidth usage indication of a client system added to Nagios indicates the Bandwidth usage from a host machine and if the usage limit reached,an alert will be generated and delivered to the admin.Network Development Life Cycle was chosen as a methodology for implementing this system in the network. Nagios is installed in Ubuntu Operating System along with Multi-Router Traffic Grapher (MRTG) and Mail Postfix. MRTG and Mail Postfix were configured to be integrated with the Nagios System. On the client side,NSClient++ has been installed, for monitoring the bandwidth and performance of windows based on operating system.
