Open Source Unix Shell Network Monitoring Software

Pandora FMS is an enterprise-ready monitoring solution that provides unparalleled flexibility for IT to address both immediate and unforeseen operational issues, including infrastructure and IT processes. It uniquely enables business and IT to adapt to changing needs through a flexible and rapid approach to IT and business deployment. Pandora FMS consolidates all the needs of modern monitoring (ITOM, APM, BAM) and provides status and performance metrics from different operating systems, cloud, virtual infrastructure (VMware, Hyper-V, XEN), Docker containers, applications, storage and hardware devices such as firewalls, proxies, databases, web servers or routers. It's highly scalable (up to 2000 nodes with one single server), 100% web and with multi-tenant capabilities. It has a very flexible ACL system and several different graphical reports and user-defined control screens.

Xymon is a system for monitoring of hosts and networks, inspired by the Big Brother system. It provides real-time monitoring, an easy web-interface, historical data, availability reports and performance graphs.

Those who have read past the "Malware" warning can be assured there is absolutely no malware in this OS or in the download. This warning comes from the "netcat" binary included in the download as a DOS time client. Unfortunately netcat has code that is flagged as malware. FREESCO, a NAT/firewall router/server based on Linux and runs on a single 1.44MB floppy. Freesco is very powerful and versatile and can connect multiple home or small office networks to most types of Internet connections including dialup.

NetSaint monitors hosts and services on your network. Actual service checks are performed by separate plugins which return the service status to NetSaint. This site is devoted to making the plugins as useful and reliable as possible.

Automated Security Tools (autosec) aims to provide automatic tools which network administrators may use to help check and test the security of their network.

A verbose packet sniffer that displays a great amount of detail on each packet it reads, including application layer fields.

Two Packages: (1) Command line network monitoring tool that sniffs packets for a fixed time and then reports total byte and packet counts for each connection (ip/port pairs and protocol). (2) Web reports based on collected data from one.

Active dictionary attack on WEP keys in WLAN networks.

httest is a script based tool for testing and benchmarking web applications, web servers, proxy servers and web browsers. httest can emulate clients and servers in the same test script, very useful for testing proxys.

Bait and Switch combines IDS tech (Snort primarily) and Honeypots into a new, more valuable, reactive system. After receiving an alert, B&S protects your server by silently redirecting hostile traffic to a honeypot while leaving other traffic alone.

ESM (Extensible System Monitor) is a daemon that lets you tie together plugins to monitor and report on your system. The plugins communicate with ESM via standard input and standard output and can be easilly written in any language.

ExamLog is a Log analyzer, developed for syslog messages. It works on a Unix/Linux console, searching for user defined patterns. ExamLog, can divide and clasify syslog messages, and send them to a remote/local postgresql DataBase.

The Graphics Generator (GG) is a simple real time web system that help you to manages your network with SNMP pollings to built graphics dinamically from traffic usage and errors.

Green Screen: A Linux based Advanced Syslog Server for Juniper NetScreen Firewalls - Can be expanded later to support other products. It can capture syslog messages, parse them, store them in a MySQL database. A Web GUI interface is also included.

LiMon (Linux Monitor) is a free/open/libre multiplataform real time Linux monitor written in C/C++, and other languages. Monitor of server's relevant aspects, such as services, temperature, CPU, memory and disk usage, etc.

Lucie enables parallel network installation of large numbers of nodes from one single administration server. It is designed to be scalable and efficient, so a complete Linux cluster can be built from scratch in a short amount of time.

Tools, information, and practices for creating and operating dependable, complex, distributed, software-intensive systems. * Sense - Measure - Analyze - Respond - Optimize * Keywords: Performance Co-Pilot - PCP - PCPMon - Rjobd

This is a collection of various check scripts for the Nagios or Check_MK monitoring system. At the moment, most of the scripts are for the Windows operation systems. Scripts for other platforms are planed and will be added shortly.

Opsview is an enterprise grade network, server and application monitoring tool. Features include Nagios® Core compatibility, distributed monitoring, flexible status views, data warehouse and reporting. Software available from: http://opsview.com/downloads

The PureSecure Plugin Factory Project focus on the production and share of Demarc PureSecure Extensible Service Monitoring (ESM) Plugins . They can be wrote in any language you want. Demarc PureSecure is free for non-commercial use.

RoofTop is a network/systems monitoring (NSM) tool that leverages SNMP standards to deliver critical health and performance monitoring through device based reports and graphs, event notifications, alerts, and configurable alarm thresholds.

This is a Slackware based Linux distribution, especially designed to act as a network monitor/sniffer.

Strike HA is inspired from the Linux HA Heartbeat project and Freeha. It is designed to be easy but highly configurable.

The XE Toolkit is a multi-platform, network-aware, secure performance monitoring solution for tactical analysis of enterprise computing systems.

Apan, Advanced Performance Addon for Nagios, is a tool that is used to store performance-related data from service-checks done by Nagios (www.nagios.org).