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Introduction of Networks Overview A computer network consists of two or more computers intended to share resources: A client/server network is a system where one or more computers called clients connect to a central computer named a server to share or use resources. Each client computer must use an operating system that allows it to be identified to participate in the network. Client/Server Networking A computer network is referred to as client/server if (at least) one of the computers is used to "serve" other computers referred to as "clients". Besides the computers, other types of devices can be part of the network: :: Note You can use an existing computer as a server Computer Networking - Lesson 6: Introduction to Client/Server Network... http://www.functionx.com/networking/Lesson06.htm 1 of 21 11/18/2015 7:36 PM

Server Network Setup

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Page 1: Server Network Setup

Introduction of Networks

Overview

A computer network consists of two or more computers intended to share resources:

A client/server network is a system where one or more computers called clients connect to acentral computer named a server to share or use resources. Each client computer must use anoperating system that allows it to be identified to participate in the network.

Client/Server Networking

A computer network is referred to as client/server if (at least) one of the computers is used to"serve" other computers referred to as "clients". Besides the computers, other types of devices canbe part of the network:

:: Note

You can use an existing computer asa server

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In a client/server environment, each computer still holds (or can still hold) its (or some) resourcesand files. Other computers can also access the resources stored in a computer, as in a peer-to-peerscenario. One of the particularities of a client/server network is that the files and resources arecentralized. This means that a computer, the server, can hold them and other computers canaccess them. Since the server is always ON, the client machines can access the files and resourceswithout caring whether a certain computer is ON.

One of the consequences of a client/server network is that, if the server is turned OFF, itsresources and sometimes most of the resources on the network are not available. In fact, one wayto set up a client/server network is to have more than one server. In this case, each server canplay a different role.

Another big advantage of a client/server network is that security is created, managed, and canhighly get enforced. To access the network, a person, called a user must provide some credentials,such as a username and a password. If the credentials are not valid, the user is prevented fromaccessing the network.

The client/server type of network also provides many other advantages such as centralized backup,Intranet capability, Internet monitoring, etc. In a small network, all these services can be handledby one server:

In a medium to large network, there can be many servers with each performing a different task:

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In these series of lessons, we will build a Microsoft Windows network (I love Linux and Apple but atthe time of this writing, I want to make lessons simple by dealing with only a simple network;normally, you can connect a Linux workstation, such as Novell SUSE Linux, to a Microsoft Windowsnetwork; this is extremely easy to do; based on my experience, there is nothing significant to do;once the network is setup and you connect the Linux workstation to the network, the Linuxcomputer will find everything on the network; the Linux OS is so intelligent it would take care ofeverything).

Client Operating Systems

Introduction

If you purchase new computers in a store or from a web store, the computers will most likely havean operating system. At the time of this writing, most computers sold in stores have MicrosoftWindows 7 Home Premium. Some other computers, such as netbooks, run Microsoft Windows 7Starter.

For our network, we will use Microsoft Windows 7 Professional, Ultimate, or Enterprise. MicrosoftWindows 7 Home Premium cannot join a domain-based network (but it can participate in apeer-to-peer network). If the computer(s) you are planning to use for your network doesn't (don't)have the Microsoft Windows 7 Professional, Microsoft Windows 7 Ultimate, or Microsoft Windows 7Enterprise operating system, you must upgrade it. Among the ways you can acquire the upgrade,you can purchase it from a computer store or a web store. Another option is to get an MSDNsubscription.

If you have built your own computer(s) or you acquired (a) "barebone" computer(s), once it'sready with the necessary hardware parts, you must acquire and install the operating system.

New Client Operating System Installation

A new installation of operating system (OS) is suitable if:

You have a computer with no operating system at all

You have a computer with an operating system but you want to overwrite it

You have a computer with an operating system but it doesn't support an upgrade to the OSyou want to use

To perform a new installation:

Turn the computer on. If you are using a computer without an operating system, if you receivea message stating "Missing Operating System", or "Strike F1 to retry boot, F2 for setup utility",don't worry about it at this time

a.

On the (DVD) drive, push the buton to open the driveb.

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Put the DVD that has the operating system in the drivec.

Restart the computerd.

A few seconds after the computer has started, a message may (should) ask you to press anykey to boot from CD or DVD (to install the operating system) (the message may display "Pressany key to boot from CD or DVD" or something like that). Press any key to continue.Otherwise:

If a message of pressing any key to install the operating system doesn't come up, youshould restart the computer. Then, as soon as the black screen of the computerrestarting appears, press a key such as F2 or F8 (this depends on your computer or themanufacturer) to access the BIOS. Access the Boot Sequence and check the list. If the(DVD) drive is not on top and if the instructions allow it, move the (DVD) drive to the topof the sequence. If you cannot move the (DVD) drive to the top, then disable the drives,such as the hard drive, that come above it. In some cases, you can select the drive andpress the Space bar to remove the check mark from the selected item. In this case,make sure that only the (DVD) drive has a check mark next to it. After making changesin the BIOS to make the computer boot from the (DVD) drive, save and exit the BIOS.Then restart the computer and follow the instructions on the screen to install theoperating system

If a message of installation still doesn't come up, make sure the (DVD) drive is installedappropriately (if you have access to the Internet, you can also check the following site:http://www.bootdisk.com/ for a boot disks and options)

If the computer still doesn't boot from the DVD and if you have access to the Internet,check the Support site from Microsoft: http://support.microsoft.com

e.

The installation will stall copying files.The next screen will ask you to select the language. Select one:

f.

The next screen presents the language you selected:g.

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Click Next

The next screen indicates that the installation is ready:

Click Install Now

h.

The next screen allows you to select the version (32 bits or 64 bits):i.

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Make your selection and click Nextj.

The next screen shows the license agreement:

Read it. If you agree, click "I accept the license terms"

k.

Click Nextl.

If the computer had an operating system already, the next screen allows you to upgrade orperform a new installtion:

m.

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Click Custom (advanced)

The next screen allows you to specify the partition where to install the operating system.After making your selection, click Next.The installation will start copying files. This may take a while

n.

When file copying is over, the computer would reboot.When the computer comes back on, a screen will ask you to provide a user name. Type it andpress Tab.You may be asked for a Product Key, which you must enter. After typing the product key, clickNext

o.

You must also provide a name for the computer. Accept the default given name or change itp.

Click Nextq.

The next screen asks you to optionally provide password. You can skip it for now (On a smallnetwork, O personnally don#039;t provide that password). Otherwise, type the password,press Tab, and type it again.Click Next

r.

The next screen asks you to protect your computer:s.

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Click the first option

The next screen asks you to specify your Time Zone, the date and the timet.

After making your selections, click Next.You should receive a welcome message that leads to the computer's desktop

u.

Upgrading the Client Operating System

At the time of this writing, most computers sold in stores run Microsoft Windows 7 Home Premium.In fact, if you just go a computer store and decide to purchase computers for your network, that'sthe operating system the computer may have.

If you already have one (or more) computer(s) that you plan to use as workstation(s), it (they)may be running a previous operating system such as Microsoft Windows XP or Windows Vista. Ifyou purchased a regular computer in a store, it may run Microsoft Windows 7 Home Premium.

For our network, we will use Microsoft Windows 7 Professional, Ultimate, or Enterprise. MicrosoftWindows 7 Home Premium cannot join a domain-based network (but it can participate in apeer-to-peer network). If the computer(s) you are planning to use for your network doesn't (don't)

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have one of those operating systems, you should upgrade it. Among the ways you can acquire theupgrade, you can purchase it from a computer store or a web store. Another option is to get anMSDN subscription.

To upgrade from Microsoft Windows 7 Home Premium to Microsoft Windows 7 Professional,Ultimate, or Enterprise:

Start the computer and access its desktop (if necessary, log in)a.

Open the DVD drive, insert the disc, and close the drive. A window titled AutoPlay should comeup

If this window doesn't come up, start Windows Explorer and access the DVD drive

b.

Click Run Setup.exe (from the AutoPlay window) or double-click setup (from Windows Explorer)c.

A security dialog box titled User Account Control should come up, asking you whether you willallow the installation to make changes to the computer. Read the text and click Yes.A window will come up, asking you to select the language the computer will use (thisinstallation uses Microsoft Windows 7 Ultimate)

d.

Click the desired language. Another window will come up to confirm the language you selected:e.

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Click Next. Another window comes up to indicate that the installation is ready to start:f.

Click Install Now. The next dialog box would ask you to check the updatesg.

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Click the option to check updates.The next dialog box allows you to select the type of platform you want to use 32 bits or 64bits:

h.

Make your selection and click Next.The next dialog box presents the license agreement:

i.

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Read it and, if you agree, click the bottom check box. Otherwise, stop the installationj.

If you agreed with the license, click Next.The next dialog box deals with existing files, if any:

k.

Two options are presented to you:

If you are installing Microsoft Windows 7 Professions, if you have files in the computerand you want to keep them, click Upgrade. If you don't care about existing files, click thesecond option

If you are installing Microsoft Windows 7 Ultimate or Enterprise, you cannot upgradefrom Microsoft Windows 7 Home Premium. Therefore, you must click the second option

l.

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The next option asks you to specify the partion where you will install the operating system (OS)

After selecting (or creating and selecting) the partition, click Next.If you had selected the option to install a new copy of the OS and if there are files already onthe partition, a warning message box will inform you that the files will be moved to a foldernamed Windows.old. In this case, click OK.The installation will start copying files:

This may take a while

m.

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The computer will reboot

When the files have been copied and the computer reboots, it will ask that you type a username and a name for the computer.Type a user name, press Tab, and type a name for the computer

n.

Click Nexto.

The next screen asks you to provide a password for the user name you just entered. This is notrequired, especially if you are creating a small network (I personnally leave it empty).After typing or not typing a password, click Next

p.

The next screen may ask you to type a product key. After typing it, click Nextq.

The next screen asks you to protect your computer. In most cases, you should click UseRecommended Settings

r.

The next screen asks you to specify the Time Zone and the current time (and date) on thecomputer.After making the selections, click Next.You should then receive a Welcome message and other messages, then the desktop appears

s.

Server Operating System Installation

Introduction

A client server network is a system where a computer named a server is used to provide resourcesto other computers named clients. A server is a computer that can participate in a client/servernetwork to hold resources and items that other computers would need:

A server is primarily a regular computer. To create a client/server network, first identify thecomputer that you will use as the server. You can use an existing computer or purchase a newone. When planning the server, if you plan to use one of your (existing) computers as the server,check its hardware and make sure it meets the necessary hardware requirements.

If you have a computer with no operating system because either you got/built it ("barebone")without an operating system or you bought a server that came without an operating system (or

:: Note

If you are planning to use a lot ofMicrosoft products, you shouldconsider getting an MSDNsubscription. You can get moreinformation frommsdn.microsoft.com. Do asearch on MSDN Subscription.

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you removed the operating system for example by formatting the hard drive or you created two ormore partitions on the hard drive)), make sure it meets the necessary hardware requirements.

You will also need a monitor attached to the server. If you will not work closely with the server,that is, if you will not "watch" the server all day long, the type of monitor you connect to it maynot be important. A monitor that can handle a 1024 x 768 resolution will be fine.

Server Operating System

As its name implies, the role of a server is to serve. To perform this job, it must be loaded with aspecial operating system (OS), such as Microsoft Windows Server 2008. That's the one we willuse.

If you already have a computer that has an operating system whose version is lower than the oneyou want to use (Microsoft Windows Server 2008), you may have to upgrade it. Otherwise, youmay have to get the OS and install it. You may have a computer with an operating system butthat OS cannot be upgraded into Microsoft Windows Server 2008.

To get an operating system, you have many options:

You can purchase a computer that has the operating system already. In this case, if you orderthe computer from a web store, you must indicate that you want it to have the OS already,which would be installed by the manufacturer

You can acquire and install the OS. You can purchase the OS from the operating systempublisher (either buy the OS from Microsoft or purchase an MSDN Subscription), from asoftware dealer, or a web store

To install Microsoft Windows Server 2008:

Start the computer. You may receive a message stating that the operating system is missingor something like that

a.

Open the DVD driveb.

Put the disc in the drive, and close itc.

Restart the computer. You should receive a message stating Press Any Key To Boot FromCD or DVD

d.

Press any key to start the installation.(If your computer already has an operating system, start it. Open the DVD drive, put the DVDin it, and close its door. If the operating system cannot be upgraded, a message box anddisplay and let you know)

e.

At one time, a window will come up, asking you to select the language. Click the desiredlanguage, such as My Language is English

f.

The next screen will display details of the selected language:g.

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Click Next

Click Install Nowh.

The next screen will ask what version of the operating system you want to install. For ourexample, we click Windows Server 2008 R2 Server Enterprise with Service Pack 1

i.

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To continue, click Nextj.

The next screen will show the Microsoft Software License Terms. Read it. Since it is long, tonavigate up and down, you can press Page Up or Page Down. After reading it, if you acceptthe terms of the license, click I Accept The License Terms

k.

Click Next.If you don't like what it says, press ESC and stop the installation.

l.

The next screen asks you to upgrade or perform a new installation. For our example, we willperform a new installation

m.

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The next screen asks you to select the partition you want to use to install the operatingsystem. In most cases, you should create partitions. For example, if you have only onepartition but it is large and you want to create various partitions, click it to select it. Then,click New. A spin button will diplay, allowing you to decrease or manage the size(s) of thepartition(s). When you reach the desired size, click Apply. You can also format a partition asnecessary. If you do, make sure you use NTFS

n.

After creating the partitions, select the partition you want to useo.

Click Nextp.

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Copying Files

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The installation will start copying files. This may take a while.When the installation has finished copying the files, it will reboot

q.

When the computer reboots, it may display a message to Press Any Key to Boot From CD orDVD. Don't press any key.The installation will perform new operations about Completing Installation.When it has finished Completing Installation, the computer may reboot.The next screen asks you to set the administrator's password:

Click OK

r.

Type the passwords.

Press Tab to access the other text box and type the same passwordt.

Click the right-pointing button or press Enteru.

A message will tell you that Your Password Has Been Changed.v.

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Click OK

When asked to login, press Ctrl + ALT + DELETEw.

Enter the password and press Enterx.

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