Detailed Report on Network Systems Administration for Module 7COM1029

This report, submitted for the 7COM1029 module, provides a comprehensive overview of network systems administration. It begins with an abstract and introduction, followed by background information and a literature review. The report then details the scope and limitations of the project, along with a network diagram illustrating the network setup. A significant portion of the report is dedicated to experimental analysis, including the installation and configuration of DHCP and DNS servers, setting up real and virtual hosts, client/server interactions, implementing Quality of Service (QoS), securing SSH, and configuring the iptables firewall. Testing and evaluation of the implemented configurations are also presented. The report concludes with a summary of the findings and references relevant sources. The assignment showcases practical aspects of network administration, offering insights into securing and optimizing network performance.

Running head: REPORT ON SETTING UP NETWORK
By
Academic Year: 2019-20
Module: Setting up Network

1
Table of content
Abstract .............................................................................................................2
Introduction........................................................................................................3
Background Information....................................................................................3
Literature Review..............................................................................................4
Scope and limitations.........................................................................................5
Network Diagram...............................................................................................6
Experimental Analysis.......................................................................................7
Testing and Evaluation......................................................................................14
Conclusion..........................................................................................................16
References...........................................................................................................17

2
Abstract
Information and computing infrastructure (ICT) include levels of unpredictability that are
exceptionally powerful in nature. This is expected in no little measure to the expansion of
innovations, for example, distributed computing and disseminated frameworks structures,
information mining and multidimensional examination, and enormous scope undertaking
frameworks, to give some examples. Successful processing and system frameworks
organization is indispensable to the strength and versatility of these perplexing programming,
equipment, and correspondence frameworks. Frameworks organization includes the structure,
examination, and nonstop improvement of the exhibition or activity of information and
computing frameworks. Furthermore, social and regulatory obligations have become about as
basic for the frameworks manager similar to the specialized requests that have been forced
for quite a long time. The zones of tasks explore (OR) and framework elements (SD)
displaying offer framework managers a rich exhibit of investigative and improvement
apparatuses that have been created from assorted controls, which include: mechanical,
logical, building, monetary and money related, to give some examples. This paper proposes
an exploration structure by which OR and SD displaying strategies may demonstrate helpful
to computing and system frameworks organization, which include: direct programming,
arrange examination, whole number programming, nonlinear advancement, Markov forms,
queueing displaying, reproduction, choice investigation, heuristic procedures, and framework
elements displaying.

3
Introduction
The job of the frameworks overseer, or sysadmin, keeps on advancing drastically, due for the
most part to fast development territories, for example, dispersed distributed computing,
foundation as-an administration (IaaS), programming as-an administration (SaaS), and other
related help arranged data and processing advancements (ICT). The sysadmin connects
fundamentally in the structure, examination, and persistent improvement of the presentation
or activity of data and registering frameworks, which additionally incorporates client support.
In total, the sysadmin is required to guarantee the continuous dependability of complex and
strategic specialized and human-PC frameworks(Ankit, Sengupta, and Roy, 2017,
November). The disappointment of such complex foundations might be both troublesome and
exorbitant [1]. The soundness of the product, equipment, system, database, and human-PC
interface (HCI) "outfit" by sysadmins requires appropriate arranging and the board of
complex IT foundations. To suit such requests, ongoing exploration endeavors look at all the
more intently specific specialized and non-specialized (i.e., "delicate") requirements of
sysadmins, with the end goal that a more extensive and more extravagant cluster of models
and apparatuses may offer more noteworthy help of their workspace(Ceselli, Premoli, and
Secci, 2017).
Background information
The historical backdrop of frameworks organization starts nearly 60 years prior, with the
advancement in 1952 of the IBM 701, the main business PC [6]. Around then, framework
administrators, who were themselves utilized by clients' associations, were urged to arrange
with IBM the sharing of data, encounters, arrangements, and such(Verdú et al., 2017).
Consequent stages in the advancement of processing prompted a reshaping and further

4
refinements to frameworks the executives, all of which have prompted the present figuring
condition that currently includes distributed computing, disseminated frameworks, and a
bunch of complex equipment, programming, and systems administration models. A
contemporary definition for frameworks organization is proposed in, which states: "System
and framework organization is a part of designing that worries the operational administration
of human-PC frameworks." The reference further expresses that "we are presently compelled
to think frameworks not only PCs," due for the most part to the degree of unpredictability
found with current processing and conduct frameworks(Ceselli, Premoli, and Secci, 2018).
Literature review
For all intents and purposes, the obligations of a framework and system manager length
operational (every day), strategic (arranging and procedure changes), administrations
provisioning, and the executives rehearses, all of which involve specialized and non-
specialized (or socio-specialized) prerequisites and requests(Yadav, Das, and Tripathi, 2017).
Such obligations extend from issues related with essentials, for example, workstations,
servers, systems, security, and helpdesk, to the executives rehearses, for example,
authoritative structures, clients' impression of foundation, specialized and non-specialized
administration, and recruiting and terminating of frameworks organization faculty(Chen et
al., 2016). A change in outlook gives off the impression of being in progress, which extends
the extent of study in the region of frameworks organization(Wang et al., 2017). This is
proved by the ongoing advancement of a conventional hypothesis of framework organization,
utilizing a numerical structure(Rezaee et al., 2017), the target of which is to make conceivable
dynamical soundness of the framework all in all. Reference (Yao et al., 2019) points out that
the multifaceted nature of the connection among people and PCs presents a fascinating test
toward the definition of any scientific hypothesis or framework organization. Curiously, this
intricacy of human-PC communication carries us to the second part of this change in

5
perspective(Govindan, Fattahi, and Keyvanshokooh, 2017). In particular, there as of late has
been an outstanding increment in the number of studies that investigate parts of frameworks
organization that are: (1) administrative authoritative; (2) administrations situated; (3) socio-
conduct; and (4) execution driven; all of which investigate all things considered the human-
PC connection (HCI) part of frameworks organization. It is explicitly this aggregate HCI
perspective around which we build up our proposed look into the system. The dynamic idea
of registering and system foundations requires the accessibility of "toolsets" that would
additionally emotionally supportive networks chairmen's operational and arranging needs.
The fields of activities look into (OR) and framework elements (SD) offer analysts
extraordinary potential for the investigation of applying suitable strategies that emotionally
supportive network managers(Floersch et al., 2016).
Scope and limitations
 Costly to Install: For one, systems can be expensive to set up. While in the drawn-out
systems, for the most part, set aside your cash, the underlying expenses of the
establishment can be high. Links, organize cards, and programming is costly, and the
establishment may require the administrations of a professional, contingent upon what
number of PCs are included and what sort of system it is(Hadi et al., 2018).
 Regulatory Time Requirements: Proper upkeep of a system requires significant
investment and preparation. Numerous individuals will set up a system and discover
they have not planned for the necessary support. Contingent upon the size of the
system you may need to enlist authoritative help or take some casual preparing of
your own(Karim, et al., 2017).

6
 Record Server Failures: When a ground server goes down, this can mean the whole
system stops. While document servers are not any more vulnerable to disappointment
than some other PC, the disappointment of a record server can mean much more
efficiency misfortune than the disappointment of a workstation or remain solitary PC,
since the whole system can lose access to required projects and documents(Ilyas, and
Mahgoub, 2018).
 Broken Cables: While some system setups can limit the burden of a messed uplink,
with different arrangements, a wrecked link can mean a stop to the whole system,
when setting up your system, know about the effect of design on issues this
way(Korniyenko, and Galata, 2017).
Network Diagram

7
Experimental work and analysis
 Installing and configuring a DHCP server
Step 1: Install the DHCP server
Enter the following command to install DHCP server in Ubuntu
Step 2: Configure DHCP server
Enter the following command
Change the domain name with the following commands

8
Remember we are using 10.1.1.2 as the IP address an example.lab as the domain shown
above(Lo et al., 2017, November).
Use the command authoritative since it will be DHCP only as shown below;
Add the following configurations for the subnet
To apply all the changes in DHCP type the command below;
 Installing and configuring a DNS server
Install DNS via bind9 with the command below;

9
Edit the configuration file
 Setting up a real host and virtual hosts
The first thing here is to create a directory structure.

10
For testing purposes, we are going to create index.html file
Now we are going to create a virtual host as shown below;
 Client/server configuration and interactions

11
 Implementing Quality of Service (QoS)

12
 Securing SSH
SSH represents Secure Shell. The name "SSH" is utilized conversely to mean either the SSH
convention itself or the product instruments that permit framework directors and clients to
make secure associations with remote PCs utilizing that convention(Narayana et al., 2017,
August).
The SSH convention is an encoded convention intended to give a protected association over
an unreliable system, for example, the web. SSH in Linux is based on a versatile adaptation
of the OpenSSH venture. It is executed in an exemplary customer server model, with an SSH
server tolerating associations from SSH customers. The customer is utilized to associate with
the server and to show the meeting to the remote client. The server acknowledges the
association and executes the meeting(Nezhadali, and Sadeghzadeh, 2017).
In its default design, an SSH server will tune in for approaching associations on Transmission
Control Protocol (TCP) port 22. Since this is an institutionalized, notable port, it is an

13
objective for danger on-screen characters and malignant bots(Samigulina, and Zarina, 2017,
April).
Risk entertainers dispatch bots that check the scope of IP tends to search for open ports. The
ports are then tested to check whether there are vulnerabilities that can be misused. Thinking,
"I'm sheltered, there are greater and preferred focuses over me for the miscreants to focus
on," is bogus thinking. The bots aren't choosing targets dependent on any legitimacy; they're
systematically searching for frameworks they can penetrate.
 Configuring the iptables firewall

14
Here is the bash script for IP tables configurations
Configuration using terminal
Testing and evaluation
We have demonstrated that the circulated approach can help in testing complex frameworks,
for example, arrange components. We have proposed two answers for determining
automatically circulated tests from concentrated tests. We have likewise given consequences
of analyses that comprised in ap-employing our answers for the testing of military ISDN
proto-cols. These analyses indicated that: (I) our answers ease the improvement of conveyed
tests and (ii) distributed tests acquired are appropriate for complex frameworks. We also give

15
signs on the best way to utilize this methodology e ciently ina progressively broad settingffi
and the offices expected to assist test designers with changing to the dispersed methodology.
Test the client
Now we are going to check whether the client and can obtain an IP address.
You can also run the command below in the terminal

16
Conclusion
This article proposed a protected plan for system and framework in windows condition
utilizing the most recent innovation. The security of systems consistently faces new potential
dangers as programmers and infections advance. The structure shows how the system can be
progressively secure by scrambling the sending information utilizing web convention security
among client and server. The motivation behind system security is to give accessibility,
respectability, and privacy. In this manner, the fundamental target of VPN is to forestall
outcasts from meddling with messages sent among has in the system, and to secure the
protection and uprightness of messages experiencing untrusted systems. Subsequent to
applying our proposed plan and these ideas to an endeavor with overall branches, they
demonstrated productive and profoundly dependable as a system security component. Hence,
all the instruments completely talked about right now to function admirably together and give
the required security in any expert setting.

17
References
Ankit, A., Sengupta, A. and Roy, K., 2017, November. Transformer: Neural network
transformation for memristive crossbar based neuromorphic system design. In 2017
IEEE/ACM International Conference on Computer-Aided Design (ICCAD) (pp. 533-540).
IEEE.
Ceselli, A., Premoli, M. and Secci, S., 2017. Mobile edge cloud network design
optimization. IEEE/ACM Transactions on Networking, 25(3), pp.1818-1831.
Ceselli, A., Premoli, M. and Secci, S., 2018. Mobile edge cloud network design
optimization. IEEE/ACM Transactions on Networking, 25(3), pp.1818-1831.
Chen, S., Zhao, C., Wu, M., Sun, Z., Zhang, H. and Leung, V.C., 2016. Compressive network
coding for wireless sensor networks: Spatio-temporal coding and optimization
design. Computer Networks, 108, pp.345-356.
Floersch, P., Miler, G. and Christopherson, J., Engineered Network Systems LLC,
2016. Tablet computer holder and stand. U.S. Patent Application 29/514,272.
Govindan, K., Fattahi, M. and Keyvanshokooh, E., 2017. Supply chain network design under
uncertainty: A comprehensive review and future research directions. European Journal of
Operational Research, 263(1), pp.108-141.
Hadi, M.S., Lawey, A.Q., El-Gorashi, T.E. and Elmirghani, J.M., 2018. Big data analytics for
wireless and wired network design: A survey. Computer Networks, 132, pp.180-199.

18
Ilyas, M. and Mahgoub, I., 2018. Smart Dust: Sensor network applications, architecture and
design. CRC press.
Karim, I., Vien, Q.T., Le, T.A. and Mapp, G., 2017. A comparative experimental design and
performance analysis of snort-based intrusion detection system in practical computer
networks. Computers, 6(1), p.6.
Korniyenko, B.Y. and Galata, L.P., 2017. DESIGN AND RESEARCH OF
MATHEMATICAL MODEL FOR INFORMATION SECURITY SYSTEM IN
COMPUTER NETWORK. Science-Based Technologies, 34(2).
Lo, C., Su, Y.Y., Lee, C.Y. and Chang, S.C., 2017, November. A dynamic deep neural
network design for efficient workload allocation in edge computing. In 2017 IEEE
International Conference on Computer Design (ICCD) (pp. 273-280). IEEE.
Narayana, S., Sivaraman, A., Nathan, V., Goyal, P., Arun, V., Alizadeh, M., Jeyakumar, V.
and Kim, C., 2017, August. Language-directed hardware design for network performance
monitoring. In Proceedings of the Conference of the ACM Special Interest Group on Data
Communication (pp. 85-98).
Nezhadali, A. and Sadeghzadeh, S., 2017. Experimental design-artificial neural network-
genetic algorithm optimization and computer-assisted design of celecoxib molecularly
imprinted polymer/carbon nanotube sensor. Journal of Electroanalytical Chemistry, 795,
pp.32-40.
Rezaee, A., Dehghanian, F., Fahimnia, B. and Beamon, B., 2017. Green supply chain network design
with stochastic demand and carbon price. Annals of Operations Research, 250(2), pp.463-485.
Samigulina, G. and Zarina, S., 2017, April. Immune Network Technology on the basis of
random forest algorithm for computer-aided drug design. In International Conference on
Bioinformatics and Biomedical Engineering (pp. 50-61). Springer, Cham.

19
Verdú, E., Regueras, L.M., Gal, E., de Castro, J.P., Verdú, M.J. and Kohen-Vacs, D., 2017.
Integration of an intelligent tutoring system in a course of computer network
design. Educational Technology Research and Development, 65(3), pp.653-677.
Wang, J., Shi, W., Xu, L., Zhou, L. and Niu, Q., 2017. Design of optical-acoustic hybrid
underwater wireless sensor network. Journal of Network and Computer Applications, 92,
pp.59-67.
Wu, Q. and Zhang, R., 2018, December. Intelligent reflecting surface enhanced wireless
network: Joint active and passive beamforming design. In 2018 IEEE Global
Communications Conference (GLOBECOM) (pp. 1-6). IEEE.
Yadav, A.K., Das, S.K. and Tripathi, S., 2017. EFMMRP: Design of efficient fuzzy based
multi-constraint multicast routing protocol for wireless ad-hoc network. Computer
Networks, 118, pp.15-23.
Yao, Y., Liu, M., Du, J. and Zhou, L., 2019. Design of a machine tool control system for
function reconfiguration and reuse in network environment. Robotics and Computer-
Integrated Manufacturing, 56, pp.117-126.