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Pandora FMS is a monitoring Open Source software. It watches your systems and applications, and allows you to know the status of any element of those systems. Pandora FMS could detect a network interface down, a defacement in your website, a memory leak in one of your server application, or the movement of any value of the NASDAQ new technology market. Pandora FMS could send out SMS message when your systems fails... or when Google's value drop below US348.60? Pandora FMS runs on any operating system, with specific agents for each platform, gathering data and sending it to a server, it has specific agents for GNU/Linux, AIX, Solaris, HP-UX, BSD/IPSO, and Windows 2000, XP and 2003. Pandora FMS can also monitor any kind of TCP/IP service, without the need to install agents, and monitor network systems such as load balancers, routers, switches, operating systems, applications, or simply printers if you need. Pandora FMS also supports SNMP for collecting data and for receiving traps. A few examples of common resources monitored by Pandora FMS could be processor load, disk and memory usage, running processes, log files, environmental factors such as temperature, or application values like strings contained in web pages or any possible way to collect data in an automatic way.

With the exponential growth of the Internet, a central Whois database that provides host and network information of systems connected to the Internet, and electronic mail (email) addresses of the users of those systems has proven to be very inefficient. The sheer size and effort needed to maintain a centralized database necessitates an alternate, decentralized approach to storing and retrieving this information. RWhois is a Directory Services protocol which extends and enhances the Whois concept in a hierarchical and scaleable fashion. It focuses on the distribution of "network objects"--the data representing Internet resources or people--and uses the inherently hierarchical nature of these network objects (domain names, Internet Protocol (IP) networks, email addresses) to more accurately discover the requested information. RWhois synthesizes concepts from other, established Internet protocols to create a more useful way to find resources across the Internet. The RWhois protocol and architecture derive a great deal of structure from the Domain Name System (DNS) [RFC 1034] and borrow directory service concepts from other directory service efforts, primarily [X.500]. The protocol is also influenced by earlier established Internet protocols, such as the Simple Mail Transport Protocol (SMTP) [RFC 821] for response codes.

OpenPGM is an open source implementation of the Pragmatic General Multicast (PGM) specification in RFC 3208 available at www.ietf.org. PGM is a reliable and scalable multicast protocol that enables receivers to detect loss, request retransmission of lost data, or notify an application of unrecoverable loss. PGM is a receiver-reliable protocol, which means the receiver is responsible for ensuring all data is received, absolving the sender of reception responsibility. PGM runs over a best effort datagram service, currently OpenPGM uses IP multicast but could be implemented above switched fabrics such as InfiniBand. PGM is appropriate for applications that require duplicate-free multicast data delivery from multiple sources to multiple receivers. PGM does not support acknowledged delivery, nor does it guarantee ordering of packets from multiple senders. PGM is primarly used on internal networks to help integrate disparate systems through a common communication platform. A lack of IPv4 multicast-enabled infrastructure leads to limited capability for internet applications, IPv6 promotes multicast to be a part of the core functionality of IP but may still be disabled on core routers. Support of Source-Specific Multicast (SSM) allows for improved WAN deployment by allowing end-point router filtering of unwanted source traffic

AUC TeX is a comprehensive customizable integrated environment for writing input files for LaTeX using GNU Emacs. AUC TeX lets you run TeX/LaTeX and other LaTeX-related tools, such as a output filters or post processor from inside Emacs. Especially `running LaTeX' is interesting, as AUC TeX lets you browse through the errors TeX reported, while it moves the cursor directly to the reported error, and displays some documentation for that particular error. This will even work when the document is spread over several files. AUC TeX automatically indents your `LaTeX-source', not only as you write it -- you can also let it indent and format an entire document. It has a special outline feature, which can greatly help you `getting an overview' of a document. Apart from these special features, AUC TeX provides a large range of handy Emacs macros, which in several different ways can help you write your LaTeX documents fast and painlessly. All features of AUC TeX are documented using the GNU Emacs online documentation system. That is, documentation for any command is just a key click away! AUC TeX is written entirely in Emacs-Lisp, and hence you can easily add new features for your own needs.

XMakemol is a program written for UN*X operating systems in ANSI C using the X, Xt and Motif libraries. It can be used to view and manipulate atomic and molecular data given in xyz format. XMakemol is a mouse-based application and many features can be accessed by clicking or dragging the mouse on the main window. Additional popup dialogs offer a number of additional features. Here is what an XMakemol session might look like. The system is a bucky ball and the Measure dialog is showing the measurement of bond-lengths, angles and a torsion angle. XMakemol can produce output in PostScript (black and white or colour)and in xpm format (which can be translated to gif format using xpmtoppm and ppmtogif). XMakemol can also produce a series of xpm files which can be translated into an animated gif file using the bundled utility xmake_anim.pl (formerly gmake_anim.pl). The one above is an animation of the "viagra" molecule (sidenafil).

Barnyard is a critical tool for the parsing of Snort's unified binary files, processing and on-forwarding to a variety of output plugins. Unfortunately it has not seen an updated in over 4 years and is not going to be maintained by the original developers. With the new version of the unified format (ie. unified2) arriving we need something to bridge this gap. The SXL team love barnyard. So much so that we want it to stay and have been tinkering around with the code to give it a breath of new life. Here is what we have achieved to far for this reinvigorated code base: * Parsing of the new unified2 log files. * Maintaining majority of the command syntax of barnyard. * Addressed all associated bug reports and feature requests arising since barnyard-0.2.0. * Completely rewritten code based on the GPLv2 Snort making it entirely GPLv2. This is an effort to fuse the awesome work of Snort and the original concept of barnyard giving it a fresh update along the way. We've come a long way so far and have a very stable build that we've integrated into our NSMnow framework. If you have any feature requests, bugs or gripes then send them our way.

CryptoFS is a encrypted filesystem for Filesystem in Userspace (FUSE) and the Linux Userland FileSystem (LUFS). Visit http://fuse.sourceforge.net/ for more information on FUSE, or http://lufs.sourceforge.net/lufs/ for more information on LUFS. CryptoFS will use a normal directory to store files encrypted. The mountpoint will contain the decrypted files. Every file stored in this mountpoint will be written encrypted (data and filename) to the directory that was mounted. If you unmount the directory the encrypted data can only be access by mounting the directory with the correct key again. Like other FUSE/LUFS filesystems it does not need root access or any complicated setup like creating a filesystem on a encrypted disk using the loop device. CryptoFS can be build for FUSE, and LUFS. When you build for FUSE you get a program to mount the filesystem. For LUFS a shared library will be built that can be used by LUFS's lufsd. Both methods can use the same encrypted directory.

Data::FormValidator's main aim is to make the tedious coding of input validation expressible in a simple format and to let the programmer focus on more interesting tasks. When you are coding a web application one of the most tedious though crucial tasks is to validate user's input (usually submitted by way of an HTML form). You have to check that each required fields is present and that some fields have valid data. (Does the phone input looks like a phone number? Is that a plausible email address? Is the YY state valid? etc.) For a simple form, this is not really a problem but as forms get more complex and you code more of them this task becames really boring and tedious. Data::FormValidator lets you define profiles which declare the required fields and their format. When you are ready to validate the user's input, you tell Data::FormValidator the profile to apply to the user data and you get the valid fields, the name of the fields which are missing. An array is returned listing which fields are valid, missing, invalid and unknown in this profile. Seamus Venasse <svenasse@polaris.ca>

This module exports two functions, nsort and ncmp; they are used in implementing my idea of a "natural sorting" algorithm. Under natural sorting, numeric substrings are compared numerically, and other word-characters are compared lexically. This is the way I define natural sorting: * Non-numeric word-character substrings are sorted lexically, case-insensitively: "Foo" comes between "fish" and "fowl". * Numeric substrings are sorted numerically: "100" comes after "20", not before. * \W substrings (neither words-characters nor digits) are ignored. Our use * of \w, \d, \D, and \W is locale-sensitive: Sort::Naturally uses a use locale statement. * When comparing two strings, where a numeric substring in one place is not up against a numeric substring in another, the non-numeric always comes first. This is fudged by reading pretending that the lack of a number substring has the value -1, like so: * The start of a string is exceptional: leading non-\W (non-word, non-digit) components are ignored, and numbers come before letters. * I define "numeric substring" just as sequences matching m/\d+/ -- scientific notation, commas, decimals, etc., are not seen. If your data has thousands separators in numbers ("20,000 Leagues Under The Sea" or "20.000 lieues sous les mers"), consider stripping them before feeding them to nsort or ncmp.

Kwiki - The Kwiki Wiki Building Framework A Wiki is a website that allows its users to add pages, and edit any existing pages. It is one of the most popular forms of web collaboration. If you are new to wiki, visit http://c2.com/cgi/wiki?WelcomeVisitors which is possibly the oldest wiki, and has lots of information about how wikis work. Kwiki is a Perl wiki implementation based on the Spoon application architecture and using the Spiffy object orientation model. The major goals of Kwiki are that it be easy to install, maintain and extend. All the features of a Kwiki wiki come from plugin modules. The base installation comes with the bare minimum plugins to make a working Kwiki. To make a really nice Kwiki installation you need to install additional plugins. Which plugins you pick is entirely up to you. Another goal of Kwiki is that every installation will be unique. When there are hundreds of plugins available, this will hopefully be the case.