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 disk, power supply fan speed, in time, it really will 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: the function of free software to provide support to the information displayed in the diagram. Software is easy to install, and supports multi system nh.giao systems that represent friendly, easy-to-use users for the first time.Disadvantages: software management provides a number of options, compared to all other monitoring software.SpiceworksThis is a monitoring program, hardware and software systems, computer networks, including: computers, printers, network devices (headquarters, network switches, routers, modems). The ability to detect and identify spiceworks smart, does not show a more detailed report on the network device and attributes, in the fault device, just installed software.Software copyright policy, to provide a free version of the system, to support small businesses and the entire system.Advantages: easy to install software, intelligent monitoring system can detect and identify, support multiple users use h, nh.d.Weakness: provides a number of options management than all other monitoring software.ZABBIXZABBIX is an impressive and powerful surveillance system that is impressive and powerful, it is written in GPL language using PHP language. ZABBIX can do the same tasks in the cacti Nagios default map results ZABBIX easily send all the data to monitor and warn people to use the case, any problem occurs. You can use ZABBIX to create a map server, the server in a different type of multiple groups.Software copyright policy, to provide a free version of the system, to support small businesses and the entire system.Advantages: the results of a robust graphical support system for the monitoring program.Weaknesses: provides some options, management is more complex, and it is difficult to use.Protocol: network management of simple network management protocol, SSH,
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