Zenoss Core is an enterprise network and systems management application written in Python/Zope.

Zenoss provides an integrated product for monitoring availability, performance, events and configuration across layers and across platforms.

Zenoss Core is an easy to use IT monitoring and management software designed for Systems Administrators. Zenoss Core provides centralized and customizable dashboards to support the needs of companies of all sizes.

Zenoss Core is easy to implement and maintain and offers functionality that was previ- ously only available from expensive and non-integrated proprietary software vendors. Zenoss Core is reliable, scalable and affordable.

Zenoss Core is an award-winning open source IT monitoring product that delivers the functionality to effectively manage the configuration, health and performance of networks, servers and applications through a single, integrated software package.

Zenoss Core is being used by over 4,000 companies around the world, from small to medium sized enterprises to large global 2,000 corporations.

Supported monitoring targets:
· SNMP, any IP-addressable Device
· Windows, WMI and PerfMon
· Syslog
· Plug-in Support for any Secure Shell: Native or Custom

Here are some key features of "Zenoss Core":

Configuration Management Database (CMDB):
· First open source CMDB on the market
· Population through auto-discovery, web services API, XML import/export,and manual user input
· Modeling of entire environment including networks, servers, software, and applications

Inventory and Change Tracking:
· Scheduled automatic or manual discovery
· Automatic change history and detection
· Ability to import IT Component information from outside resources

Network Monitoring:
· Flash based representation of your network's layer 3 topology
· Icon based device representation for Linux and Windows devices
· Google Maps Mashup for your WAN availability and performance monitoring

Availability Monitoring:
· ICMP, SNMP, TCP/IP testing with intelligent suppression of alerts based on layer3 network dependencies
· Windows/Linux and Unix service and process availability testing
· Generate events based on availability issues

Performance Monitoring:
· Scheduled collection and storage of SNMP OID values with support for Nagiosand Cacti performance collection scripts
· Provides performance metrics on Java wrappers for applications, services,components, and devices in a distributed network with Java Management Extension (JMX) Performance Collection for managed objects (MBeans)
· Ability to set multiple threshold levels on a specific metric

Event Management, Log Monitoring and Alerting:
· Aggregation of events from various sources: availability monitoring, performance monitoring, syslog sources, SNMP trap sources, Windows Event log
· Ability to build event processing rules through GUI interface
· Layer 3 aware alerting to minimize "Alarm Fatigue"
· Web Portal, Dashboard and Reporting
· Rich Ajax-Enabled user interface with role based permissions
· Drag and Drop fully customizable dashboard
· Customizable and powerful reports that can be shared via e-mail

Requirements:

· 2GB RAM.
· 20 GB free disk space.

What's New in This Release: [ read full changelog ]

· The VMWare Infrastructure ESX Server ZenPack allows you to monitor ESX hosts and guests via VMWares EsxTop utility.
· Improved scalability and performance with the following defects closed: http://tinyurl.com/28eh3uf
· Documentation has been updated for 3.0.3, specifically theZenoss Installation Guide, Zenoss Developer's Guide, Zenoss Extended Monitoring, Zenoss Source and JSON API Documentation. The installation guides have been enhanced to cover more detailed information about system requirements, and contain some recommended performance settings for a few key configuration files
· TheVirtual Host Monitor ZenPack has been updated.
· The Global Device Search Core ZenPack is available for installation, providing search by hostname or IP with support for wildcards.