Linux servers Definitions

  • C


    crontab is a UNIX command that creates a table or list of commands, each of which is to be executed by the operating system at a specified time.

  • Cygwin

    Cygwin is an open source collection of tools that allows Unix or Linux applications to be compiled and run on a Windows operating system from within a Linux-like interface.

  • D


    Debian is a popular and freely-available computer operating system that uses the Linux kernel and other program components obtained from the GNU project.

  • distribution

    In marketing, distribution is the process of moving a product from its manufacturing source to its customers. In computer software, distribution is the phase that follows packaging.

  • DRBD (Distributed Replicated Block Device)

    DRBD (Distributed Replicated Block Device) is a Linux-based software component that facilitates the replacement of shared storage systems by networked mirroring. DRBD makes it possible to maintain consistency of data among multiple systems in a network. DRBD also ensures high availability (HA) for Linux applications... (Continued)

  • F


    Fedora is a popular open source Linux-based operating system.

  • G

    GNOME (GNU Network Object Model Environment)

    GNOME (GNU Network Object Model Environment, pronounced gah-NOHM) is a graphical user interface (GUI) and set of computer desktop applications for users of the Linux computer operating system.

  • GNU General Public License (GNU GPL or simply GPL)

    The GNU General Public License, often shortened to GNU GPL (or simply GPL), lists terms and conditions for copying, modifying and distributing free software.

  • GNU Linux

    The GNU Linux project was created for the development of a Unix-like operating system that comes with source code that can be copied, modified, and redistributed... (Continued)

  • gzip (GNU zip)

    Gzip (GNU zip) is a free and open source algorithm for file compression. The software is overseen by the GNU project.... (Continued)

  • H

    hardware clustering

    Hardware clustering (sometimes called operating system clustering) is a hardware-based method of turning multiple servers into a cluster (a group of servers that acts like a single system).

  • Hardy Heron (Ubuntu 8.04 LTS Server Edition)

    Hardy Heron is the code name for version 8.04 of Ubuntu, the open source Debian -based Linux distribution. Hardy Heron was released in April 2008 and succeeded Gutsy Gibbon. Hardy Heron is widely recognized as one of the most easy-to-use desktop Linux distributions for novice users. (Continued...)

  • Heartbeat

    Heartbeat is a program that runs specialized scripts automatically whenever a system is initialized or rebooted. Originally designed for two-node Linux-based clusters, Heartbeat is extensible to larger configurations... (Continued)

  • high-performance computing (HPC)

    High-performance computing (HPC) is the use of parallel processing for running advanced application programs efficiently, reliably and quickly. The term applies especially to systems that function above a teraflop or 1012 floating-point operations per second... (Continued)

  • HP 9000

    The HP 9000 is a line of UNIX-based business servers from Hewlett-Packard (HP) with server models that span enterprise applications from the "entry-level" (branch or department-level computers, Web hosting servers, and so forth) through the midrange with needs for handling advanced enterprise resource planning (ERP) and analytical customer resource management (CRM) up to its high-end servers for very computing-intensive applications.