Windows NT
Windows NT (Windows New Technology) is a family of operating systems
produced by Microsoft, which the first version was published in July 1993.
Prior to the appearance of the famous Microsoft Windows 95 the company
designed a new line of operating systems oriented workstations and network
server. An operating system with its own graphical interface, stable and
similar to UNIX systems network features. NT letters come from the product
description as "New Technology” (New Technology).
Microsoft Windows
NT Server is an operating system designed for use in servers, local area
network (LAN). It delivers the power, manageability and scalability of Windows
NT on a server platform and includes features such as centralized management of
security and tolerance more advanced failures, which make it an ideal operating
system for network servers.
Windows NT Server
is both an operating system for computers (PCs) and personal network operating system.
Since it incorporates networking capabilities , networks of Windows NT Server
are integrated optimally with the basic operating system , facilitating the use
and management of the functions " workstation " In NT there are two
types of users , those who belong to a machine running NT Server and WK or
those belonging to an NT domain.
Windows NT versions
Windows NT (Windows
New Technology, NT). The 32-bit operating system originally developed to be OS
/ 2 3.0 before Microsoft and IBM will discontinue its work with OS / 2. NT was
designed for advanced workstations (Windows NT 3.1) and server (Windows NT 3.1
Advanced Server).
Web services
The combination of Web services and the operating system on Windows NT
Server 4.0, provides for the first time the implementation of scalable Web
applications and trusted. This system incorporates Internet Information
Services 4.0 (IIS), improving the operating system to turn it into a single,
cohesive platform that combines services simple, reliable and very
comprehensive Web services applications.
Communication services
As it grows the importance of sharing information, consumers have
realized that safe and reliable communications have become so very essential. Windows
NT Server 4.0 allows you to connect branch offices, remote workers and Internet
easily and cheaply
UBUNTU
Ubuntu is an ancient
African Word meaning “humanity to others”. It also means “I am what I am
because of who all are “The Ubuntu operating system brings the spirit of Ubuntu
to the world of computers
Ubuntu is far more than an
operating system. With thousands of applications to choose from, it's completely
free and easy to use.
Ubuntu is made for sharing.
Use it, modify it, improve it, share it. Anywhere, any time and with any number
of people all over the world. No licence required.
Ubuntu operating systems
are regularly updated. Come in a new, improved, easy-to-install release every
six months, so you're always up to date.
Ubuntu comes with all the
support you need and powers the most popular computers — on servers, desktops,
notebooks and netbooks.
Ubuntu comes with a
ready-made community dedicated to building and promoting free systems and
software. Join us.
Ubuntu Server
Ubuntu Server brings economic and technical scalability to your datacentre, public or private. Whether you want to deploy an OpenStack cloud, a Hadoop cluster or a 50,000-node render farm, Ubuntu Server delivers the best value scale-out performance available.
Security
Security
Ubuntu Server is built on the high security of the Debian operating system. The Ubuntu security team works closely with their counterparts in Debian and Linux to ensure that vulnerabilities that arise are recognized and treated promptly. Free and fair spirit of Ubuntu means that patches are available for all users , not just enterprise customers or subscribers .
The ability to easily create a private encrypted directory on your server where you can store critical information passwords , user names and connections. This is something designed by system administrators for system administrators and is something that only someone who works daily with supply problems secure access would think to spend time building.
The ability to easily create a private encrypted directory on your server where you can store critical information passwords , user names and connections. This is something designed by system administrators for system administrators and is something that only someone who works daily with supply problems secure access would think to spend time building.
Requirements to install Ubuntu Server
The requirements
for a Linux server version are minimal because it does not use the graphical
environment, but to act as a server depending on the traffic that we may
require more.
Minimum (Console)
256 MB of memory
2 GB of HDD space
(Including swap)
AMD or Intel
Processor 6432bits
AMD Opteron and
Intel EM64T Xeon Included, for versions 64.
Minimum (Graphic)
512 MB of memory
4 GB of HDD space
(Including swap)
AMD or Intel
Processor 6432bits
VGA graphics card,
monitor with 800x600 resolution
FEDORA
Fedora is a Linux-based operating system that
provides users with access to the latest free and open source
software, in a stable, secure and easy to manage form. Fedora is
the largest of many free software creations of the Fedora Project. Because of
its predominance, the word "Fedora" is often used interchangeably to
mean both the Fedora Project and the Fedora operating system.
Fedora Server
Fedora Server is a server operating system supported by the community,
which gives administrators with experience on any operating system access to
the latest server technologies available in the open source community.
Fedora 21 Server provides:
-
New Features Management - Fedora 21 Server
introduces three new technologies to handle the management and installation of
discrete services infrastructure.
-
Rolekit provides a set of tools for deploying and
managing Role that helps administrators to install and configure a specific
server role.
-
Cockpit is a user interface based on Web to
configure, manage and monitor servers, remotely accessible through a Web
browser.
-
OpenLMI offers a tele-management created on Distributed
Taskforce Management
-
Common Information Model (DMTF-CIM), which provides
management functions scripting across machines, query capabilities and
monitoring system events.
-
Domain Controller - One of the features offered
through Rolekit is that Fedora 21 Server packaged server solution integrated
identity and network environments FreeIPA for Linux / UNIX authentication;
machines running on Fedora 21 Server can now provide centralized
authentication, authorization and account information by storing user, group,
host, and other data objects necessary to manage network security.
Windows
XP
Microsoft Windows XP (Windows Experience) is a version of Microsoft
Windows, the operating system was the most advanced of the Microsoft Company
and released on October 25, 2001.
Factures:
Windows XP introduced new features:
·
More pleasant than their predecessors graphical
environment.
·
Faster startup and hibernate sequences.
·
Capacity operating system disconnect an external
device, install new applications and drivers without rebooting the system.
·
A new interface easier to use, including tools for
developing desktop themes.
·
Using multiple accounts, allowing a user to save the
current state and open applications on your desktop and allow another user to
open a session without losing that information
·
ClearType, designed to improve text readability on
in liquid crystal displays (LCD) and similar monitors Flat Screen CRT.
·
Remote Desktop, which allows users to open a
session with a computer running Windows XP through a network or the Internet,
accessing your applications, files, printers, and devices.
·
Support for most DSL modems and wireless, as well
as the establishment of a FireWire network.
Removed factures
Some of the programs and features that were part of
the previous versions of Windows did not make it to Windows XP. CD
Player, DVD
Player, and Imaging
for Windows are
replaced with Windows
Picture and Fax Viewer, Windows Media Player, and Windows shell. NetBEUI and NetDDE are deprecated and
are not installed by default. DLC andAppleTalk network
protocols are removed. Plug-and-play–incompatible communication
devices (like modems and network
interface cards) are no longer supported.
Service Pack 2 and Service Pack 3 also
remove features from Windows XP but to a less noticeable extent. For instance, Program
Manager and
support for TCP
half-openconnections are removed in Service Pack 2. The Energy
Star logo
and the address bar on the taskbar are removed in Service Pack 3.
Service
Packs
Service
Pack 1
Service Pack 1 (SP1) for Windows XP was released on
September 9, 2002. It contained over 300 minor, post-RTM bug fixes, along with
all security patches released since the original release of XP.
Service
Pack 2
Service Pack 2 (SP2) was released on August 25, 2004,
SP2 added new functionality to Windows XP, such as WPA encryption compatibility
and improved Wi-Fi support (with a wizard utility), a pop-up ad blocker for
Internet Explorer 6, and partial Bluetooth support.
Service
Pack 3
Windows XP Service Pack 3 (SP3) was released to
manufacturing on April 21, 2008, and to the public via both the Microsoft
Download Center and Windows Update on May 6, 2008.
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Bibliographic
references
