Free distributed control system software for linux

Distributed Access Control System is a complete, light-weight, single sign-on and role-based access control system distributed under an open source license. It provides:
- extended authentication and role-based access control capabilities for Apache-based web services, CGI programs, and virtually any program or script;
- a wide array of flexible, modular, and efficient authentication methods, including two-factor authentication and hardware tokens;
- powerful, rule-based authorization checking that can be applied transparently to any resource or activity (such as web services, web content, and program features) by Apache-based web services and CGI programs, or virtually any program or script;
- an Apache 2.0/2.2 module, suite of CGI programs, and collection of command line tools for Unix-type platforms, such as Linux, FreeBSD, and Solaris.
Enhancements:
- This release includes an important bugfix to local_passwd_authenticate that prevents invalid passwords from being accepted.
- Some minor bugs have also been addressed, including some problems with dacs.quick(7).

Distributed Concurrent Versioning System (DCVS) project extends the well-known version control system CVS and the file distribution and synchronization program CVSup with functionality to distribute CVS repositories with local lines of development and handle synchronization of the distributed repositories automatically in the background.
Development lines (branches) are owned by a repository server, repository servers efficiently update each other via CVSup, and CVS ensures correct server use on checkin and branch creation.
Enhancements:
- This release adds miscellaneous bugfixes and the security patches of CVS 1.12.13.
- There are now installation packages for Windows to be installed on Cygwin, for SUSE Linux 10, for FreeBSD 4, 5, and 6, and for Fedora Core 4.

Distributed Multi-User Compilation System is a system that allows a group of users to share a compilation farm. Each compilation request from each user will be sent to the fastest available machine, every time.
Main features:
- Supports multiple users compiling simultaneously, and scales well to handle the new loads.
- Supports multiple operating systems in the compilation farm.
- Uses all processors of a multi-processor compilation host.
- Makes best use of compilation hosts with widely differing CPU speeds.
- Guarantees that a compilation host will not be overloaded by compilations.
- Takes into account the load on a host caused by non-compilation tasks.
- Supports the dynamic addition and removal of hosts to the compilation farm.
- Works with distcc, which need not be altered in any way.
DMUCS consists of these (main) programs:
- dmucs: the "host-server". This application reads a configuration file indicating the number of CPUs and the "power" of each potential host in the compilation farm. It then receives over the network:
- load average information from each compilation host.
- host requests from compile tasks that need remote hosts on which to run.
- information requests from monitoring applications.
- status requests from an administrator.
- dmucs maintains the database of hosts in the compilation farm, and assigns hosts to compilation tasks, giving out the best host/cpu available when the compilation task asks.
- gethost: a compilation task uses gethost get a host/cpu from the dmucs server. In general, a makefile will perform a compilation this way:
- gethost distcc gcc ...
- gethost contacts the server to get a host, which it puts into the environment variable DISTCC_HOSTS. gethost then calls the program given to it. After that program ends, gethost releases the assigned host back to the dmucs server.
- loadavg: the administrator of the compilation farm must start this application on each compilation host. loadavg sends the load average of the compilation host to the dmucs server periodically. The dmucs server will "downgrade" a compilation host if the hosts load averages goes too high.
- monitor: the administrator (or anyone) may use this program to monitor the busy-ness of the compilation farm. It displays which hosts/cpus are available in the compilation farm, which hosts/cpus have compilation tasks assigned to them, which hosts have been made administratively unavailable, and which hosts are "silent" - i.e., the dmucs server has not received a load average message from the compilation host for a while.

Distributed Aide Runtime Controller is a multi-threaded Python application designed for managing AIDE installations in large heterogeneous networks.
AIDE is an open-source improvement upon the academic release of Tripwire. It can be used to detect filesystem changes in unix environments, which is useful for forensics on compromised systems and tracing illicit system configuration changes.
Darc provides a mechanism to run AIDE integrity checks across many unix systems from a single management station. It has the following features not available in a traditional AIDE installation:
- Maintaining read-only media databases on each system - not a trivial task! - is not required for day to day operations.
- Unified reporting - the admin doesnt have to read individual reports for each system.
- Integrated syslog support to notify admins when a system may have been compromised.
- Databases and configs are never written to the filesystems on the monitored hosts.
Enhancements:
- Better error handling and reporting
- HTML reports for easier navigation within the report
- Configurable timeout values for all relevant metrics - TCP connection timeouts, SFTP transfer time, AIDE run time
- Built-in support for aide database maintenance tasks (init, update) so the manual file manipulation required in 0.2 is completely eliminated.

A Simple Version Control System is an easy to install and easy to to use version/revision control system.
ASVCS differs from most other version control systems in that ASVCS is designed to keep track of files in place. ASVCS does not allow any changes to be made to files, all changes require the users to change files externally with FTP or SSH access.
ASVCS is very easy to setup and use. Users do not need to work with repository, branches, commit and check-out files. All a user needs to do is upload the changes files and click Update or if enabled just wait for it to be updated automatically.
ASVCS is ideal for small projects or personal use, though it can also be used by large project how do not need or want the complexity of most version control systems.
Main features:
- asy to install and use
- Written in PHP
- Can track binary or text files
- Automatic file tracking (requires cron support)
- Diffs of revisions
- Easy user access management
- Entirely Web based
- Skinable
- Open source (MIT/expat license)

The Distributed Hardware Evolution Project allows the distribution of a genetic algorithm evolving hardware designs across the Internet by setting up an island on each clients PC which will evolve during idle time. Individuals from these islands will migrate between each other as they compete for survival.

All source code is available at Sourceforge under the projects named JaGa, DistrIT, and IslandEv. The source code is generalizable to any genetic algorithm or distributed processing task.

Distributed RSA Key Generation is a software to generate shared RSA keys. Currently, only keys for two parties using Gilboas protocol are supported. But the protocol stack is extensible, so in the future there may be other protocols supported.

Work has begun on Straubs protocol but is not finished yet, multi-party protocols like Boneh-Franklins may also be added in the far future.

Growler is a C++-based distributed object and event architecture. The software is written in C++, and supports serialization of C++ objects as part of its Remote Method Invocation, Event Channels, and in its Interface Definition Language.

Its primary application has been in support of interactive, distributed and collaborative visualization, computational steering, and concurrent visualization.