Network administration and collboration system

System & Network
Administration
Lec#3

 The goal of the Collaboration Server System
(CSERV) is to support conduct of shared work
activities of software development teams,
which may be separated in both space and
time. ... The Collaboration Server will support
multiple projects, and provide role-based and
team-based access to information about each
project.
8) Collaboration servers

 Database servers are used to store and manage databases
that are stored on the server and to provide data access
for authorized users. This type of server keeps the data in
a central location that can be regularly backed up. It also
allows users and applications to centrally access the data
across the network. A large number of the databases used
in your organization can be kept on one server or a group
of servers that are specifically configured to protect data
and service client requests.
 A database server is any server that runs a network
database application and maintains database files, such
as Microsoft SQL Server or Oracle
9) Database Server

10) Virtual Server
 A virtual server mimics the functionality of a physical dedicated
server. Multiple virtual servers may be implemented on a single
bare metal server, each with its own OS, independent
provisioning, and software. A virtual machine server uses
virtual infrastructure, virtualization software and abstracts the
physical server’s computer resources to create virtual
environments.
 Benefits of virtual servers include faster provisioning of
applications and resources, improved disaster recovery and
business continuity, and minimized or eliminated downtime.
Virtualization also increases IT productivity, agility, efficiency,
and responsiveness. Additional benefits of virtual servers
include reduced operating costs and capital, and simplified
data center management.

 Some servers exist to monitor or manage other systems
and clients. There are many types of monitoring servers.
Several of them listen to the network and receive every
client request and server response, but some do not
request or respond to data themselves. In this way, the
monitoring server can keep track of all the traffic on the
network, as well as the requests and replies of clients and
servers, without interfering with those operations. A
monitoring server will respond to requests from
monitoring clients such as those run by network
administrators watching the health of the network.
11) Monitoring and management servers

 The next major wave of servers included computer-
based servers. In many respects, these servers were
nothing more than larger, more powerful desktop
computers. Such servers were generally more
expensive and held far more memory and disk space
than most client computers. Each server was still a
self-contained unit with its own motherboard,
processor, memory, disk drives, and power supply.
Servers like this were often warehoused in air-
conditioned rooms called server rooms, and were
later bolted into racks for better storage and
accessibility.
12) Computer hardware server

 A blade server is a stripped-down server
computer with a modular design optimized to
minimize the use of physical space and energy.
Blade servers have many components removed
to save space, minimize power consumption
and other considerations, while still having all
the functional components to be considered
a computer
13) Blade servers

 Windows Server is a brand name for a group
of server operating systems released
by Microsoft since 2003. The first Windows server
edition to be released under that brand was Windows
Server 2003. However, the first server edition of
Windows was Windows NT 3.1 Advanced Server,
followed by Windows NT 3.5 Server, Windows NT
3.51 Server, Windows NT 4.0 Server, and Windows
2000 Server. Windows 2000 Server was the first server
edition to include Active Directory, DNS Server, DHCP
Server, Group Policy, as well as many other popular
features used today.
14) Microsoft Windows servers

 The other major player in server operating
systems is the Linux/Unix realm. There are
multiple versions and flavors of Linux/Unix
including Red Hat Enterprise Linux, Debian,
and CentOS. As an open-source operating
system, Linux is very popular as a web server,
often with the Apache web application server
installed.
15) Linux / Unix servers

 Virtual servers hosted on a third-party infrastructure on an open
network, such as the Internet, are called cloud servers. There
are numerous cloud server providers these days, including
Google’s Cloud Platform, Microsoft Azure, and IBM Cloud.
However, the main pioneer of corporate cloud computing was
Amazon’s AWS platform. It originally started using spare
capacity of Amazon’s own servers and networks, but AWS now
allows customers to create a virtual server nearly instantly and
then adjust the amount of resources that server may use on the
fly.
Today, a server can be nothing more than the data of physical
hardware that consists of multiple processors, disk drives,
memory, and network connections. But, even now, a server is
still just a system that responds to a request from a client.
16) Cloud servers

 Dynamic Host Configuration Protocol (DHCP) is a
network management protocol used to automate
the process of configuring devices on IP networks,
thus allowing them to use network services such as
DNS, NTP, and any communication protocol based on
UDP or TCP
 A DHCP Server is a network server that
automatically provides and assigns IP addresses,
default gateways and other network parameters to
client devices. It relies on the standard protocol known
as Dynamic Host Configuration Protocol or DHCP to
respond to broadcast queries by clients.
17) DHCP Server

 A DNS server is a computer server that contains a database
of public IP addresses and their associated hostnames, and in most
cases serves to resolve, or translate, those names to IP
addresses as requested. DNS servers run special software and
communicate with each other using special protocols.
 The Purpose of DNS Servers
 It's easier to remember a domain or hostname like lifewire.com
than it is to remember the site's IP address numbers 151.101.2.114.
So when you access a website, like Lifewire, all you have to type is
the URL https://www.lifewire.com.
 However, computers and network devices don't work well with
domain names when trying to locate each other on the internet. It's
far more efficient and precise to use an IP address, which is the
numerical representation of what server in the network (internet)
the website resides on.
18) DNS Server

Network administration and collboration system

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