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MRTG - Multi Router Traffic GrapherAutor: Tobias Oetiker
The Multi Router Traffic Grapher (MRTG) is a tool to monitor the traffic load on network-links. MRTG generates HTML pages containing graphical images which provide a LIVE visual representation of this traffic. Check http://www.ee.ethz.ch/stats/mrtg/ for an example. MRTG is based on Perl and C and works under UNIX and Windows NT. MRTG is being successfully used on many sites around the net.
Homepage: http://www.mrtg.org/
NagiosAutor: Ethan Galstad
Nagios is a program that will monitor hosts and services on your network. It has the ability to email or page you when a problem arises and when a problem is resolved. Several CGI programs are included in order to allow you to view the current service status, problem history, notification history, and log file via the web.
Homepage: http://www.nagios.org/
The SFI DirectorAutor: Peter Stevens
UNIX is a powerful, flexible basis for running demanding, mission critical applications. But how do we efficiently install, use and maintain networks of 50, 100, 1000 or more heterogeneous workstations, departmental servers, and even enterprise servers? The very power and flexibility which makes a client/server network ideal for sophisticated applications can severely challenge the system manager. The SFI Director addresses this dilemma. Not merely a menu interface to basic administrative functions, the Director is a solid, proven concept for managing systems in concert. Instead of being a fire-fighter who endlessly puts out small brush fires, your system manager becomes a concert director, who manages groups of systems so that they work together in harmony.
Homepage: http://www.sfi-director.org/
PIKT, Problem Informant/Killer ToolAutor: Robert Osterlund
PIKT is an innovative new paradigm for administering heterogeneous networked workstations. PIKT monitors systems, reports problems, and fixes those problems automatically whenever possible. PIKT uses an embedded scripting language that sports an especially clean syntax and introduces unique features to make your programming easier. PIKT is also a sophisticated control mechanism for managing all of your administrative scripts. You can, setting aside the PIKT language, even use it to version control, install, error log, and schedule programs written in other languages, as well as to employ macros, meta-comments, and C-like #if and #include directives in Perl, AWK, etc. PIKT is freeware, distributed under the GNU copyleft, and available now for Solaris and Linux. For more info, and complete source code, documentation, and data files (all ~40,000 lines of it), please visit the PIKT Web site.
Homepage: http://pikt.org/
MON, Service Monitoring DaemonAutor: Jim Trocki
mon is a general-purpose resource monitoring system, which can be used to monitor network service availability, server problems, environmental conditions such as the temperature in a room, or any number of things. Resource monitoring can be viewed as two separate tasks: the testing of a condition, and triggering some sort of action upon failure. mon was designed to keep the testing and action-taking tasks separate, as stand-alone programs. mon is implemented as a scheduler which executes the the monitors (which test a condition), and calls the appropriate alerts if the monitor fails. Monitors and alerts are not a part of mon, even though the distribution comes with a handful of them to get you started. This means that if a new service needs monitoring, or if a new alert is required, the mon server does not need to be changed. This makes mon easily extensible. mon currently monitors over two hundred hosts at our site, using the monitor scripts which are supplied with the distribution.
Homepage: http://www.kernel.org/software/mon/
The Big Brother System and Network MonitorAutor: Sean MacGuire
Big Brother is a combination of monitoring methods. Unlike SNMP where information is just collected and devices polled, Big Brother is designed in such a way that each local system broadcasts it's own information to a central location. Simultaneously, Big Brother also polls all networked systems from a central location. This creates a highly efficient and redundant method for proactive network monitoring.
Homepage: http://bb4.com/
Webmin - a web-based interface for system administrationKontakt: Jamie Cameron
Webmin is a web-based interface for system administration for Unix. Using any browser that supports tables and forms (and Java for the File Manager module), you can setup user accounts, Apache, DNS, file sharing and so on. Webmin consists of a simple web server, and a number of CGI programs which directly update system files like /etc/inetd.conf and /etc/passwd. The web server and all CGI programs are written in Perl version 5, and use no non-standard Perl modules.
Homepage: http://www.webmin.com/
OpenNMS - an open-source project dedicated to the creation of an enterprise grade network management platform.Kontakt: info@opennms.com
These days, the network permeates the world of business. Network-based technologies like e-mail and the World Wide Web have been adopted by companies large and small, and the network is only going to get larger and more complex as it moves into our phones, our homes and our cars. But how does one manage these network services? Most proprietary network management solutions are expensive and complex, and they may be slow to respond to the rapid changes in both the management needs of users and of the technology itself. In many instances, it becomes a case of fitting the business to the management tool, and not the other way around. The OpenNMS project was started by a group of experienced network management professionals to solve this problem. By leveraging the power of open-source software to provide rapid development of powerful, stable and scalable management products, their aim is to greatly reduce the cost of deployment and ownership while creating a highly-customizable product that can fit the needs of the business, not the other way around.
Homepage: http://www.opennms.org/
Zenoss - Zenoss integrates a complete set of features that you need to effectively monitor your organization's entire IT infrastructure.Kontakt: info@zenoss.com
Zenoss Core is an enterprise-grade network and systems monitoring product that delivers the functionality IT operations teams need to effectively manage the health and performance of their entire infrastructure through a single, integrated package. For far too long, robust IT infrastructure monitoring was out of reach for most organizations because of the cost and complexity of the proprietary systems that offered the required functionality. Zenoss has changed the game by offering a complete, easy-to-use solution as a free (i.e. no money), downloadable, open source software product.
Homepage: http://zenoss.com/product/features
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Page last modified on April 09, 2007, at 05:31 PM