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A low-level multi-Ruby wrapper around the ZooKeeper API bindings. For a friendlier interface, see http://github.com/slyphon/zk. Currently supported: MRI: {1.8.7, 1.9.2, 1.9.3}, JRuby: ~> 1.6.7, Rubinius: 2.0.testing, REE 1.8.7. This library uses version 3.4.5 of zookeeper bindings. .
Zachary's Tool Kit contains a collection of reusable classes meant to simplify development of complex systems in Ruby, especially devops tooling. These classes provide functionality I often find myself needing from project to project. Instead of reinventing the wheel each time, I've started building a collection of reusable classes. Easy-bake DSLs, parallel processing, complex logging, templating and many other useful design patterns, for example are all contained in simple, reusable classes with a common interface and configuration style.
Fedora /usr/bin/ruby stub to allow choosing Ruby runtime. Similarly to rbenv or RVM, it allows non-privileged user to choose which is preferred Ruby runtime for current task.
Scipy is open-source software for mathematics, science, and engineering. The core library is NumPy which provides convenient and fast N-dimensional array manipulation. The SciPy library is built to work with NumPy arrays, and provides many user-friendly and efficient numerical routines such as routines for numerical integration and optimization. Together, they run on all popular operating systems, are quick to install, and are free of charge. NumPy and SciPy are easy to use, but powerful enough to be depended upon by some of the world's leading scientists and engineers.
The SCSI target package contains the daemon and tools to setup a SCSI targets. Currently, software iSCSI targets are supported.
Serf is a decentralized solution for service discovery and orchestration that is lightweight, highly available, and fault tolerant. Serf runs on Linux, Mac OS X, and Windows. An efficient and lightweight gossip protocol is used to communicate with other nodes. Serf can detect node failures and notify the rest of the cluster. An event system is built on top of Serf, letting you use Serf's gossip protocol to propagate events such as deploys, configuration changes, etc. Serf is completely masterless with no single point of failure. Here are some example use cases of Serf, though there are many others: Discovering web servers and automatically adding them to a load balancer Organizing many memcached or redis nodes into a cluster, perhaps with something like twemproxy or maybe just configuring an application with the address of all the nodes Triggering web deploys using the event system built on top of Serf Propagating changes to configuration to relevant nodes. Updating DNS records to reflect cluster changes as they occur. Much, much more.
Collection of Linux utilities for devices that use the SCSI command set. Includes utilities to copy data based on "dd" syntax and semantics (called sg_dd, sgp_dd and sgm_dd); check INQUIRY data and VPD pages (sg_inq); check mode and log pages (sginfo, sg_modes and sg_logs); spin up and down disks (sg_start); do self tests (sg_senddiag); and various other functions. See the README, CHANGELOG and COVERAGE files. Requires the linux kernel 2.4 series or later. In the 2.4 series SCSI generic device names (e.g. /dev/sg0) must be used. In the 2.6 series other device names may be used as well (e.g. /dev/sda). Warning: Some of these tools access the internals of your system and the incorrect usage of them may render your system inoperable.