Linux Server and Network Administration

Abstract

Server configuration and maintenance using Linux Centos 6.3 was the main objective of this internship. Oracle virtual Box is used while configuring DHCP server, web server, mail server and other servers. Configured servers were tested in different stages and found properly running under various scenarios. The Mail server is divided into three modules i.e Server module, Client module, Email inbox module. Server accept the connection from different clients through server socket class and all the details regarding client connection establishment, sending, receiving and termination is store in the server. Client can connect to the server when server is active, each client can send and receive mails, Attachment to other clients.

What Citation Formats Do You Support?

We hear “Can you write in APA or MLA?” all the time—and the answer’s a big yes, plus way more! Our writers are wizards with every style—APA, MLA, Harvard, Chicago, Turabian, you name it—delivering flawless formatting tailored to your assignment. Whether it’s a tricky in-text citation or a perfectly styled reference list, they’ve got the skills to make your paper academically spot-on.

A syslog server accepts messages and stores them to a file. The number of syslog messages generated by still increasing number of networking devices is growing very rapidly. To read all the messages generated every day by active networking devices is out of human capabilities. Working in live servers in Daffodil Online Limited added huge experiences in upcoming career.

TABLE OF CONTENT 

CONTENTS       PAGE NO 

Approval          i

Are Paper Services Legal?

Yes, completely! They’re a valid tool for getting sample papers to boost your own writing skills, and there’s nothing shady about that. Use them right—like a study guide or a model to learn from—and they’re a smart, ethical way to level up your grades without breaking any rules.

Declaration          ii

Acknowledgement         iii

Abstract         iv

How Much for a Paper?

Prices start at $10 per page for undergrad work and go up to $21 for advanced levels, depending on urgency and any extras you toss in. Deadlines range from a lightning-fast 3 hours to a chill 14 days—plenty of wiggle room there! Plus, if you’re ordering big, you’ll snag 5-10% off, making it easier on your wallet while still getting top-notch quality.

List of Figure         vii-viii

List of Table         ix

CHAPTER 1: INTRUDUCTION     1-3

Will Anyone Find Out I Used You?

Nope—your secret’s locked down tight. We encrypt all your data with top-tier security, and every paper’s crafted fresh just for you, run through originality checks to prove it’s one-of-a-kind. No one—professors, classmates, or anyone—will ever know you teamed up with us, guaranteed.

1.1 Introduction        1

1.2 Motivation        1

1.3 Internship Objectives       1

1.4 Introduction to the Company      2

Do You Rely on AI?

Not even a little—our writers are real-deal experts with degrees, crafting every paper by hand with care and know-how. No AI shortcuts here; it’s all human skill, backed by thorough research and double-checked for uniqueness. You’re getting authentic work that stands out for all the right reasons.

1.5 Report Layout        2

CHAPTER 2: ORGANIZATION     4-6

2.1 Introduction        4

2.2 Product and Market Situation      4

Why Are You Top for Research Papers?

Our writers are Ph.D.-level pros who live for nailing the details—think deep research and razor-sharp arguments. We pair that with top plagiarism tools, free revisions to tweak anything you need, and fast turnarounds that don’t skimp on quality. Your research paper won’t just shine—it’ll set the bar.

2.3 SWOT Analysis       5

2.4 Organizational Structure      6

CHAPTER 3: TASKS PROJECT AND ACTIVITIES  7-43

Who’s Behind My Essays?

You’re in good hands with degree-holding pros—many rocking Master’s or higher—who’ve crushed our tough vetting tests in writing and their fields. They’re your partners in this, hitting tight deadlines and academic standards with ease, all while tailoring every essay to your exact needs. No matter the topic, they’ve got the chops to make it stellar.

3.1 Daily Task and Activities      7

3.2 Events and Activities       7

3.3 Project Task and Activities      8

3.4 Challenges        43

Is My Paper Original?

100%—we promise! Every paper’s written fresh from scratch—no AI, no copying—just solid research and proper citations from our expert writers. You can even request a plagiarism report to see it’s 95%+ unique, giving you total confidence it’s submission-ready and one-of-a-kind.

CHAPTER 4: COMPETENCIES AND SMART PLAN 44-45

4.1 Competencies Earned       44

4.2 Smart Plan        44

Can You Do Any Citation Style?

Yep—APA, Turabian, IEEE, Chicago, MLA, whatever you throw at us! Our writers nail every detail of your chosen style, matching your guidelines down to the last comma and period. It’s all about making sure your paper fits academic expectations perfectly, no sweat.

4.3 Reflections        45

CHAPTER 5: CONCLUSION AND FUTURE CAREER 46

5.1 Discussion and Conclusion         46

5.2 Scope for Further Career      46

Can I Adjust Instructions Later?

Absolutely—life happens, and we’re flexible! Chat with your writer anytime through our system to update details, tweak the focus, or add new requirements, and they’ll pivot fast to keep your paper on point. It’s all about making sure the final draft is exactly what you need, no stress involved.

APPENDIX                                                                             47

APPENDIX A: INTERNSHIP REFLECTION    47

APPENDIX B: COMPANY DETAIL     47

How Do I Get Started?

It’s super easy—order online with a few clicks, then track progress with drafts as your writer works their magic. Once it’s done, download it from your account, give it a once-over, and release payment only when you’re thrilled with the result. It’s fast, affordable, and built with students like you in mind!

References         48

LIST OF FIGURES

FIGURES        PAGE NO

How Fast for Rush Jobs?

We can crank out a killer paper in 24 hours—quality locked in, no shortcuts. Just set your deadline when you order, and our pros will hustle to deliver, even if you’re racing the clock. Perfect for those last-minute crunches without compromising on the good stuff.

Figure 2.1: Organogram of Daffodil Online Limited.   6

Figure 3.1: Hostname Setup       13

Figure 3.2: SELINUX Disabled      13

Figure 3.3: IP Address setting       14

Can You Handle Complex Subjects?

For sure! Our writers with advanced degrees dive into any topic—think quantum physics or medieval lit—with deep research and clear, sharp writing. They’ll tailor it to your academic level, ensuring it’s thorough yet easy to follow, no matter how tricky the subject gets.

Figure 3.4: DNS Configuration      15

Figure 3.5: Starting process of the network system    15

Figure 3.6: Installation checking      17

Figure 3.7: Nonuser Based Configuration     18

Figure 3.8: Enable Upload and Download     19

How Do You Meet Prof Standards?

We stick to your rubric like glue—nailing the structure, depth, and tone your professor wants—then polish it with edits for that extra shine. Our writers know what profs look for, and we double-check every detail to make sure it’s submission-ready and grade-worthy.

Figure 3.9: FTP Banner and Time Setting     20

Figure 3.10: FTP Server Checking      20

Figure 3.11: User Based Configuration     21

Figure 3.12: User Create       22

What’s Your Editing Like?

Send us your draft and tell us your goals—we’ll refine it, tightening arguments and boosting clarity while keeping your unique voice intact. Our editors work fast, delivering pro-level results that make your paper pop, whether it’s a light touch-up or a deeper rework.

Figrue 3.13: Checking by Admin User     22

Figrue3.14: Access FTP server from browser    23

Figrue3.15: Access FTP server from browser    23

Figure 3.16: HTTPD download and install     26

Figure 3.17: Simple HTML Coding      27

Can You Pick My Topic?

Yes—we’ve got your back! We’ll brainstorm fresh, workable ideas tailored to your assignment, picking ones that spark interest and fit the scope. You choose the winner, and we’ll turn it into a standout paper that’s all yours.

Figure 3.18: Virtual Host Configuration     28

Figure 3.19: Service restarting      28

Figure 3.20: Web Server Checking      29

Figure 3.21: Hostname Setup       30

Figure 3.22: Download and installation postfix    31

Figure 3.23: User Create of Mail server     32

Figure 3.24: Telnet download Installation     33

Do You Do Quick Revisions?

Yep—need changes fast? We’ll jump on your paper and polish it up in hours, fixing whatever needs tweaking so it’s ready to submit with zero stress. Just let us know what’s off, and we’ll make it right, pronto.

Figure 3.25: Checking Postfix      34

Figure 3.26: New mail       35

Figure 3.27: Dovecot Installation      36

Figure 3.28: Dovecot Checking      38

Figure 3.29: Squirrelmail Installation      39

Figure 3.30: Service restarting      41

Can You Outline First?

Sure thing! We’ll whip up a clear outline to map out your paper’s flow—key points, structure, all of it—so you can sign off before we dive in. It’s a handy way to keep everything aligned with your vision from the start.

Figure 3.31: Mail Server Checking      42

Figure 3.32: Mail Server Checking      42

LIST OF TABLE

TABLE        PAGE NO

Table 3.1: Basic Commands of Linux     9

CHAPTER 1

Can You Add Data or Graphs?

Absolutely—we’ll weave in sharp analysis or eye-catching visuals like stats and charts to level up your paper. Whether it’s crunching numbers or designing a graph, our writers make it professional and impactful, tailored to your topic.

Introduction

1.1 Introduction

Today is the age of modern Science & Information Technology, which is critical to the development of more effective operational & management process. Now a days data communication & networking may be the fastest growing technologies in the World. People know has the deep idea about Internet & its feature. Internet becomes an essential part of our everyday life, but few years ago using of Internet was a dream to peoples. ISPs provide that service.  Computer & Computer networks & Internet Services are found in nearly every business & industry around us. But just 25 years ago situation was not like this. As an underdevelopment, the main two reasons may be lack of trained people & unexpected actions from our Government.

In this Internship I had worked about Network Performance Monitoring Systems. I had also worked how create sub domain and server configuration. I have configured FTP Server, MAIL server and WEB Server in this report. ISP is an infrastructure to provide Internet connections among the clients by following some protocols & Rules [1].

1.2 Motivations

• It can be very interesting and make life more convenient.
• It can save money
• It can enhance one’s career or business
• It increased the security that comes from using an open source operating system.

1.3 Internship Objective

How Do You Manage Big Projects?

We tackle each chunk with precision, keeping quality consistent and deadlines on track from start to finish. Whether it’s a dissertation or a multi-part essay, we stay in sync with you, delivering top-notch work every step of the way.

The main objective of this report is fulfilling the practical requirements about Linux server. This report is to critically evaluate the server of Daffodil Online Ltd.

• How to install Linux Operating System.
• Basic Linux Administration.
• To know about Web server, FTP server, Mail server and Networking configuration.
• Configuring Web server, FTP server, Mail server.
• To achieve a deep knowledge about the network area.
• The main objective of education is to acquire knowledge.
• I choose an internship because I wanted to benefit from the experience.

1.4 Introduction to the Company

Daffodil Online Ltd. is one of the leading Internet Service Provider in Bangladesh. It is the most experienced and oldest company in the ICT field in Bangladesh, where the basic business ethics is Long Term Relationship with customers.

Do You Follow Global Academic Rules?

Yes—we’ve got it down! Our writers switch seamlessly between UK, US, Australian, or any other standards, matching your school’s exact expectations. Your paper will feel native to your system, polished and ready for wherever you’re studying.

Name:       Daffodil Online Ltd.

Address:      102, Shukrabad (3rd floor), MirpurRoad,

Dhanmondi, Dhaka – 1207, Bangladesh

Telephone:      9143258, 9143259

E-mail:      [email protected]

What is a progressive delivery and how does it work?

Progressive delivery is a cool option where we send your paper in chunks—perfect for big projects like theses or dissertations. You can even pay for it in installments. It’s just 10% extra on your order price, but the perks are worth it. You’ll stay in closer touch with your writer and can give feedback on each part before they move to the next. That way, you’re in the driver’s seat, making sure everything lines up with what you need. It saves time too—your writer can tweak things based on your notes without having to redo huge sections later.

Website:     www.daffodilnet.com

Type of organization:     Internet Service Provider (ISP)

1.5 Report Layout

I received some comments from my teacher. Can you help me with them?

Absolutely! If your teacher’s got feedback, you can request a free revision within 7 days of approving your paper—just hit the revision request button on your personal order page. Want a different writer to take a crack at it? You can ask for that too, though we might need an extra 12 hours to line someone up. After that 7-day window, free revisions wrap up, but you can still go for a paid minor or major revision (details are on your order page). What if I’m not satisfied with my order? If your paper needs some tweaks, you’ve got that free 7-day revision window after approval—just use the “Revision” button on your page. Once those 7 days are up, paid revision options kick in, and the cost depends on how much needs fixing. Chat with our support team to figure out the best way forward. If you feel the writer missed the mark on your instructions and the quality’s off, let us know—we’ll dig in and sort it out. If revisions don’t cut it, you can ask for a refund. Our dispute team will look into it and figure out what we can offer. Check out our money-back guarantee page for the full scoop.

Internship program has become a significant aspect of postgraduate requirement. In practice, it is of great importance in changing the field of theoretical learning. Its significance is effective in satisfying the requirement of graduate degree.

In the chapter 1, I have described objective of internship, Motivation of internship and internship goal.

In the chapter 2, I have described the methodology of my internship. And this chapter gives the information about where the internship has been attached to undertake this program. Also included about how did perform the internship works, about the company, what are the IT service offered in DOL and what are the roles of in jobs market of Linux .

In the chapter 3, I have described what are my Training Attended, Assigned responsibilities and how was my internship environment. Here also included what is my performing task which I covered in the time of my internship.

Chapter 4, I have described is Internship Outcomes. Here included Problems and Solutions, Learning Outcomes and Challenges.

And Chapter 5, I have described is Conclusion and Future Scope. I discuss Future Scopes of Linux and write conclusion.

CHAPTER 2

Organization

2.1 Introduction

Daffodil Online Ltd. prides itself as one of the leading nationwide Internet Service Provider (ISP) in Bangladesh. It is most experienced and oldest company in the ICT field. This chapter I want to describe about the organization where I complete my intern ship session. I detail describe about the product and market situation. About SWOT analysis. And also tell about the organizational structure or their formation how they complete their work.

2.2 Productand Market Situation

• Internet Service
• Domain and Hosting
• Professional Training
• Collocation Service
• Network Solution

Professional course and trainings:

• ISP Setup and Administration using Linux
• Training Course on Certified Ethical Hacking
• ISP Setup and Administration using Mikrotik
• Web Site Development with joomla
• PHP and MYSQL for website Development
• E-commerce and Open Source joomla Virtue Mart
• Red Hat Certified Engineer (RHCE)

The market situation is very good. Because, they offer fare services and maintain 100% client satisfaction. They provide 24/7 hours phone and chat support to their customer.

2.3 SWOT Analysis

[2].

Strength:

• Daffodil Online limited are able to respond very quickly for give customer service as they have no red tape.
• Daffodil Online Limited give really good customer care during the long time still now that means is have plenty of time to devote to customers.
• Keeping costs below that of competitors
• Higher responsiveness to customer demands
• Daffodil Online Limited also has low overheads. So it can offer good value to customers.

Weakness:

• Outdated market research data.
• Marketing sites are few problems.
• Customer motivation need to more speed up.

Opportunities:

• Internet as a marketing tool.
• Seasonal high demand of the product.
• People are using internet most of the time.

Threats:

• Stronger brand name of competitors.
• A competitor opening new Company in a nearby location.
• A lot of competitors in the market with similar products

2.4 Organizational Structure of Daffodil Online Limited [1].

Figure 2.1: Organogram of Daffodil Online Limited.

CHAPTER 3

Tasks Project and Activities

3.1 Daily Task and Activities

• Monitor and maintain computer systems and network.
• Setting up user accounts, permissions and passwords.
• Troubleshooting servers and routers.
• Troubleshooting local area networks and switches.
• Fixing network faults.
• Technical support for people using the network.
• Day to day admin and monitoring of network use.
• Suggesting IT solutions to business problems.

3.2 Events and Activities

Internship Training is very much related to the part of completion of our B.sc Degree especially in CSE. It was a 4 months training course on Linux Operating system. DOL is going to conduct the most challenging & demanding IT professional courses and training in the day of globalization. So I took part in this enterprise for better training and completion of my internship program.

Month – 1: In the first month of internship on daffodil online limited I have learned and performed the following tasks:

• Learning & understanding About Network Components.
• Learning & understanding Basics of Linux.
• Understanding Linux HDD Partitions.
• Learning & understanding Linux Run Level.
• Linux Installation.

Month – 2: In the second month of internship on daffodil online limited I have learned and performed the following tasks:

• Basic Centos Commands.
• Linux User and Password Management.
• Know About logged in users.
• File and Directory Accessing.
• To Copy and Move File and Directories.
• Add user and Delete user.

Month – 3: In the third month of internship on daffodil online limited I have learned and performed the following tasks:

• File and Directory Permissions.
• Install, Update and Remove Package Using YUM.
• Concept of IP Addressing.
• Configuring IP Address in Centos.
• Seliux configure
• Host name configure
• DNS configure

Month – 4: The last month of internship on daffodil online limited I have learned and performed the following tasks:

• Learning, understanding and configuring WEB Server.
• Learning, understanding and configuring FTP Server.
• Learning, understanding and configuring MAIL Server.

3.3 Project Task and Activities

As an internee I always try to provide proper service to the department of Daffodil Online Limited. I have performed different innovative tasks during the period of my internship in (DOL).

3.3.1 Operational Code of Linux

For using the operating system of Linux we must have the knowledge of basic command of Linux .This command uses Linux server and Linux operating system.

Here we show the basic commands of Linux [4].

Table 3.1: Basic Commands of Linux