Chapter 1: startProject introduction:Today, the development of information technology, Vietnam is becoming more and more powerful. In the state organ or organization of business, information technology is more and more attention and more parallel to the development of the information system development and expansion of the low level of information technology. System requirements with power grid management system information technology to support the surveillance, monitoring network. This system helps limit maximum operating interruptions during the operation, ensuring efficient use of resources, safety, and reliable service provision.There are also a number of tools to support the open source of the network monitoring tool that is paid from the network monitoring work, according to the current demand. In order to minimize the cost, these companies usually choose to just and small monitoring system of the source code open. Nagios is an open source monitoring system for many enterprise network administrators to use the message. Topics focused on the research and establishment of network monitoring system Nagios open source.Target:Research network monitoring system is the most common use of the weakness, also used and monitoring system.Establish a monitoring system of the network Nagios open source to support the best management of the supervision and management of the work, found that the system in the fault, to ensure the continuous and effective system.Task theme:Research and establish network monitoring system Nagios open source.Identify the weaknesses of the system, but also the Nagios method to overcome the shortcomings and the direction of the development of practical.SignificanceAn understanding of the actual work of the monitoring network system.Have the opportunity to discover and recognize the tools, the current network monitoring system. To put their own experience, from the construction of a network monitoring system to open source code. Thematic structureMain contents include:Chapter 1: startThe second chapter: an overview of the research supervision network.The third chapter: the establishment of network monitoring program NagiosThe fourth chapter: the results of implementation.The fifth chapter: conclusion.The second chapter: an overview of the monitoring systemMonitoring networks use professional management software to manage all of the resources to maintain activities in the network, to ensure that the entire network system, allowing network administrators to actively find fault and network transmission services. The network of monitoring systems is usually built on the company's size, when there is a need to check their system management.At present, the market has a lot of good software support for the supervision of the network, each software has its own advantages. According to the different needs of the monitoring and management of the size of the enterprise managers can choose their own most appropriate tool.At present, the monitoring system software mainly includes two kinds of:Your monitoring software is a commercial version of the big business, professional and high reliability. These include: HP network node manager, solarwinds, CISCO works......+ all open source monitoring software for all functions, equivalent to a commercial version, to provide free of charge. These software include: Nagios, cacti, spiceworks, zabbix...Introduce current monitoring program:Cacti monitoring softwareCacti is an open source software, network monitoring tool and graphics / PHP MySQL language to write. Monitoring software graphics system is based on the RRDTOOL toolbox. Cacti to manage the model diagram, synthesis methods and data management tools. Software monitoring equipment, such as hard drives, power supply fan speed, with the time of the th C. I u that will really help the system administrator's work. In addition, the software also allows users to manage and monitor data, put forward a warning, when the system is in trouble, by e-mail, SMS, and many other features.Software copyright policy, to provide a free version of the system, to support small businesses and the entire system.Advantages: Software
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