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感觉都有自己的特点吧。 openNMS openESM zabbix Nagios Catti zenoss Zabbix What is ZABBIX? All-in-one 24x7 monitoring solution without high cost. ZABBIX is software for monitoring of your applications, network and servers. ZABBIX supports both polling and trapping techniques to collect data from monitored hosts. A flexible notification mechanism allows easy and quickly configure different types of notifications for pre-defined events. Cutting edge features ZABBIX offers advanced monitoring, alerting and visualisation features today which are missing in other monitoring systems, even some of the best commercial ones. Use of industry standards makes integration of ZABBIX into existing infrastructure trouble-free. Monitors everything ZABBIX high-performance agents work under virtually all operating systems. Collecting of SNMP data is also supported. Thus ZABBIX takes care of monitoring and availability of any network device on your network. Zabbix is a result of 3 years of development. High quality of the software is guaranteed by 12 alpha and 14 beta versions released prior to 1.0. The software has been downloaded more than 20.000 times. Zabbix is already used in production by many companies around the world. License:GPL Web Site: http://www.zabbix.com 网上可以看到screenshots、可下载代码和软件。 要点：网络、主机、服务器、服务监控。 OpenESM对其进行了包装，http://www.openesm.com。 Key features 包含server，agent两部分。 Open Source solution Runs on AIX, FreeBSD, HP-UX, Linux, MacOS X, NetBSD, OpenBSD, Solaris, Tru64/OSF SQL database for storing configuration, collected data and trends Web interface offers minimal learning, ubiquitous access Instant drill down from real-time status of IT Services to historical trend and statistics Data visualisation and mapping High performance native ZABBIX agents for performance and integrity monitoring for virtually all platforms (UNIX, Win32) Monitoring of "agentless" environments Assuring and monitoring SLA for IT Services Monitoring of SNMP (v1,v2,v3) devices Application monitoring Enterprise applications such as Oracle, WebSphere, WebLogic, Exchange, Apache, etc. can be monitored using SNMP. In many cases, agentless technology can be used, cutting down on the deployment and management costs. ZABBIX agents can be easily extended to perform monitoring of any aspect of your applications. It is matter of writing a shell script which would return required data back to the agent. availability of standard services (SMTP, IMAP,POP3,HTTP,SSHD,etc) can be monitored without any agent installed. Server monitoring Virtually all server platforms are supported including but not limited to UNIX, Win32 and Novell Netware. ZABBIX native agents take care of CPU utilisation, memory utilisation, disk usage, network I/O, temperature of CPUs and mainboards, status of processes, etc. All real-time performance data is immediately available by WEB interface. IT Services ZABBIX’s unique technology allows you to relate your applications and underlying servers or network to a IT Service such as application, location, server, network device, region, etc. This technology allows you to correlate your business to your IT infrastructure and identify the impact of your IT infrastructure to the delivery of business service to your customers. Data visualisation ZABBIX provides excellent visualisation of statistical and real-time information, ranging from simple graphs to complex views containing graphs, maps and text information. All graphical information is accessible from WEB interface. The wealth of information available such as the trend analysis (days to threshold), the historical graphs and histograms allow you to make informed decisions about the weaknesses and performance of your IT Network monitoring ZABBIX supports monitoring of Cisco, Juniper, 3Com, Nortel, Foundry and other routers as well as firewalls from Netscreen, Fortinet, Cisco or Checkpoint. Any network devices (routers, hubs, printers, etc) having SNMP support c