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Encyclopedia > NetworkManager

NetworkManager is a software utility aimed at simplifying the use of computer networks on Linux and other Unix-like operating systems. A computer network is a system for communication between computers. ... Linux (also known as GNU/Linux) is a Unix-like computer operating system. ... A Unix-like operating system is one that behaves in a manner similar to a Unix system, while not necessarily conforming to or being certified to any version of the Single UNIX Specification. ...


The project was initiated in 2004 by Red Hat, Inc, with the goal of enabling Linux users to more easily deal with modern networking needs, particularly wireless networking. NetworkManager takes an opportunistic approach to network selection, attempting to use the best available connection as outages occur, or the user roams between wireless networks. Ethernet connections are preferred over "known" wireless networks, which are preferred over wireless networks with SSIDs the user has never connected to. The user is prompted for WEP or WPA keys as needed. 2004 (MMIV) was a leap year starting on Thursday of the Gregorian calendar. ... Red Hat, Inc. ... It has been suggested that wireless network interface cards be merged into this article or section. ... Ethernet is a large and diverse family of frame-based computer networking technologies for local area networks (LANs). ... A service set identifier (SSID) is a code attached to all packets on a wireless network to identify each packet as part of that network. ... Wired Equivalent Privacy (WEP) is a scheme that is part of the IEEE 802. ... Wi-Fi Protected Access (WPA and WPA2) is a class of systems to secure wireless (Wi-Fi) computer networks. ...


NetworkManager is currently being adopted in some newer, particularly GNOME-based Linux distributions, including Ubuntu, Fedora Core and SUSE. The project is notable for being among the first major Linux desktop components to utilize D-BUS and HAL extensively. The absence of a compatible HAL service has, to date, prevented NetworkManager from being available on many non-Linux operating systems, but progress is underway to bring it FreeBSD and others (HAL is now available for FreeBSD). The GNOME project is an international effort to create an easy-to-use computing platform built entirely from free software. ... A Linux distribution is a Unix-like operating system comprising the Linux kernel and other assorted free software/open-source software, and possibly proprietary software. ... Ubuntu (IPA pronunciation: ) is a widely used Linux distribution predominantly targeted at personal computers. ... Fedora Core is an RPM-based Linux distribution, developed by the community-supported Fedora Project and sponsored by Red Hat. ... SUSE (properly pronounced , but often pronounced /suzi/) is a major retail Linux distribution, produced in Germany. ... D-Bus is a free software project which offers a simple way for applications to communicate with one another. ... HAL is a Hardware Abstraction Layer and Open-source software Project that allows desktop applications on an operating system to readily access hardware information so that they can locate and use such hardware regardless of bus or device type. ... FreeBSD is a Unix-like free operating system descended from AT&T UNIX via the Berkeley Software Distribution (BSD) branch through the 386BSD and 4. ...


NetworkManager is architected into two components: a service which manages connections and reports network changes, and a graphical desktop applet which allows the user to manipulate network connections. Both components are intended to be reasonably portable, and the applet is available to desktop environments which implement the Freedesktop.org System Tray Protocol, including GNOME, KDE and Xfce. As the components communicate via D-BUS, applications can be written to be "link-aware", or replace the provided applet entirely. In Unix and other computer multitasking operating systems, a daemon is a computer program that runs in the background, rather than under the direct control of a user; they are usually instantiated as processes. ... PUI redirects here. ... An applet is a software component that runs in the context of another program, for example a web browser. ... In graphical computing, a desktop environment (DE) offers graphical user interface (GUI) solution to operate a computer. ... freedesktop. ... The GNOME project is an international effort to create an easy-to-use computing platform built entirely from free software. ... KDE (K Desktop Environment) (IPA: ) is a free desktop environment and development platform built with Trolltechs Qt toolkit. ... It has been suggested that Xfwm be merged into this article or section. ... In telecommunication, the term data link has the following meanings: The means of connecting one location to another for the purpose of transmitting and receiving data. ...


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