Go through ServerManager or the OOBE tool.
In windows 2008 you can install 7 configure WDS not RIS support.
server manager
To configure Windows Deployment Services (WDS) on Windows Server 2008, first, install the WDS role through the Server Manager. After installation, launch the Windows Deployment Services console, right-click on the server node, and select "Configure Server" to initialize the service. Follow the wizard to specify the transport protocol, choose the location for the Remote Install folder, and configure DHCP options if necessary. Finally, add boot and install images to the WDS server to enable deployment.
Explore few of the commands like Netstat &Nbtstat for Network Connections, Netsh for Firewall, Diskpart for Storage in Windows Server 2008.
IPsec
DNS is always configured first for ad to work properly
there is such a domain. Reference: Hands -On Microsoft Windows Server 2008, by Michael Palmer, page 6, item 7.
Windows Server 2008 editions that do not have an upgrade path include Windows Server 2008 Web Edition and Windows Server 2008 Standard Edition. Additionally, there is no upgrade path from Windows Server 2008 to Windows Server 2008 R2 for these editions. Users of these editions need to perform a clean installation when moving to a newer version.
The www publishing service is not installed by default. You have to go to the ServerManager and add the Role, then configure it.
Active Directory Domains And Trusts console
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Windows Server 2008 is the most recent release of Microsoft Windows' server line of operating systems. Released to manufacturing on 4 February 2008 and officially released on 27 February 2008, it is the successor to Windows Server 2003, released nearly five years earlier. Like Windows Vista, Windows Server 2008 is built on the Windows NT 6.0 kernel. A second release, named Windows Server 2008 R2, is currently under development.