phpSysInfo is a customizable PHP script that parses various files in /proc and displays them. It will display information about system facts like Uptime, CPU, Memory, SCSI, IDE, PCI, Ethernet, Floppy, and Video. It now has full internationalization support along with customizable templates.
OpenNMS is the world's first enterprise grade network management platform developed under the open source model. It consists of a community supported open-source project as well as a commercial services, training and support organization.
SystemTap provides free software (GPL) infrastructure to simplify the gathering of information about the running Linux system. This assists diagnosis of a performance or functional problem. SystemTap eliminates the need for the developer to go through the tedious and disruptive instrument
... [More], recompile, install, and reboot sequence that may be otherwise required to collect data.
SystemTap provides a simple command line interface and scripting language for writing instrumentation for a live running kernel and user-space applications. [Less]
iftop does for network usage what top(1) does for CPU usage. It listens to network traffic on a named interface and displays a table of current bandwidth usage by pairs of hosts. Handy for answering the question "why is our ADSL link so slow?".
R is a language and environment for statistical computing and graphics. It is a GNU project which is similar to the S language and environment which was developed at Bell Laboratories (formerly AT&T, now Lucent Technologies) by John Chambers and colleagues. R can be considered as a different
... [More] implementation of S. There are some important differences, but much code written for S runs unaltered under R.
R provides a wide variety of statistical (linear and nonlinear modelling, classical statistical tests, time-series analysis, classification, clustering, ...) and graphical techniques, and is highly extensible. The S language is often the vehicle of choice for research in statistical methodology, and R provides an Open Source route to participation in that activity. [Less]
The ROOT system provides a set of OO frameworks with all the functionality needed to handle and analyze large amounts of data in a very efficient way. Included are histogramming methods, curve fitting, function evaluation, minimization, graphics and visualization classes to allow the easy setup of
... [More] an analysis system that can query and process the data interactively or in batch mode.
Thanks to the builtin C++ interpreter, ROOT can be used interactively with C++, as well as a C++ library. It has many language bindings, most notably an excellent dynamic Python binding.
ROOT is widely used by researchers in the field of High Energy Physics and has been developed at CERN (http://www.cern.ch). [Less]
PNP4Nagios is an addon to nagios which analyzes performance data provided by plugins and stores them automatically into RRD-databases (Round Robin Databases, see RRDTool).
During development of PNP we set value on easy installation and little maintenance while running it. An administrator should
... [More] do other things than configure graphing tools.
To achieve this task we focused on using standards. PNP only processes performance data built according to the Developer Guidelines for nagios plugins. With this limitation we want to honour the work of Nagios Plugin Developers who stick to the guidelines. [Less]
FireStats is an Ajax web statistics system with support various CMS like WordPress, Joomla, Drupal trac and more.
FireStats shows you basic information about your page views and visitors, as well as advanced browser and OS distribution, countries and more.
FireStats is translated to multiple languages.
Hundreds of functions of a variety of topics, from statistics to string parsing, module utilities to network tools.
Everyone's pet library accumulates features over time. My erlang library got big, fast. I often find myself giving functions from it out to other people, and a lot of my other
... [More] libraries are dependant on ScUtil in various ways, so I figured what the hell, let's give it away.
This library is believed to be efficiently implemented at all points. Efficiency tips are, however, both appreciated and taken seriously.
ScUtil uses the TestErl library for unit, regression and stochastic testing.
ScUtil is free and MIT licensed, because the GPL is evil.
ScUtil is written by John Haugeland, from http://fullof.bs/ . [Less]
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