OPS335 - Open System Application Server

Outline info
Last revision date 2017-11-21 11:07:51.915
Last review date 2017-11-21 11:08:01.033

Subject Title
Open System Application Server

Subject Description
This subject teaches the maintenance and administration of a UNIX server using Linux. Students will learn to install and upgrade the operating system software, set up user accounts, manage current files systems, back up and restore files, install and configure servers, modify system start-up sequences, administrate common services and modify basic network configurations.

Credit Status
1 credit in the CNS/CTY Program.

Learning Outcomes
Upon successful completion of this subject the student will be able to:


  1. Configure the operating system on a device to allow it to perform routing functions on a network.
  2. Install software to provide end-users with access to commonly used networking services.
  3. Configure various client/server software packages to provide file-sharing and interoperability between various platforms.
  4. Diagnose malfunctions with computers and the network to ensure the maximum availability of network services.
  5. Implement data/device recovery policies to ensure minimal network downtime and data loss.
  6. Configure authentication and logging services to ensure secure access to a network and provide network monitoring.

Cheating and Plagiarism
Each student should be aware of the College's policy regarding Cheating and Plagiarism. Seneca's Academic Policy will be strictly enforced.

To support academic honesty at Seneca College, all work submitted by students may be reviewed for authenticity and originality, utilizing software tools and third party services. Please visit the Academic Honesty site on http://library.senecacollege.ca for further information regarding cheating and plagiarism policies and procedures.

All students and employees have the right to study and work in an environment that is free from discrimination and/or harassment. Language or activities that defeat this objective violate the College Policy on Discrimination/Harassment and shall not be tolerated. Information and assistance are available from the Student Conduct Office at student.conduct@senecacollege.ca.

Accommodation for Students with Disabilities
The College will provide reasonable accommodation to students with disabilities in order to promote academic success. If you require accommodation, contact the Counselling and Disabilities Services Office at ext. 22900 to initiate the process for documenting, assessing and implementing your individual accommodation needs.


Topic Outline

  • TCP/IP and aliasing (ifconfig)
  • xinetd
  • packet filtering with iptables
  • ssh(scp and other secure utilities)
  • routing
  • Masquerade (NAT)
  • Gateways and Firewalls
  • wget, netcat

  • Tools (nslookup, dig, host)
  • Root servers
  • Hosts files
  • /etc/named.conf setup

Disaster Recovery                                                       
  • Backups using dump/restore
  • Archiving with tar and cpio
  • Compression tools (gzip, bzip2, lzma, compress)

  • Sendmail/Postfix configuration
  • SMTP
  • IMAP
  • P0P
  • mailx

  • File sharing
  • cifs
  • Smbclient, smbpasswd
  • Mounting MS files systems
  • /etc/smb.conf

NFS and Auto-mounter                                                
  • Master file
  • autofs
  • Exporting and mounting NFS Filesystems
  • /etc/exports

  • portmap
  • yppasswd
  • ypserv
  • ypbind

  • vsftp
  • active and passive modes
  • log files

  • Authentications including:
    • RHosts
    • RHostsRSA
    • Public Key
    • Password 

Mode of Instruction
Classroom lectures and discussions are supplemented by lab sessions with the instructor, reinforced by assigned readings and assignments between classes.  

It is the student's responsibility to save documents, articles and notes that the instructor has provided on BlackBoard or in class. Students will not be able to access BlackBoard as of the last day of the student’s class.

Prescribed Texts
Linux Administration Handbook 4th Edition
by Evi Nemeth, Prentice Hall, ISBN# 978-013-1480056

Reference Material
Running Linux 5th edition
by Welsh, O'Reilly, ISBN#9780596007607

Promotion Policy

Grading Policy
A+ 90%  to  100%
A 80%  to  89%
B+ 75%  to  79%
B 70%  to  74%
C+ 65%  to  69%
C 60%  to  64%
D+ 55%  to  59%
D 50%  to  54%
F 0%    to  49% (Not a Pass)
EXC Excellent
SAT Satisfactory
UNSAT Unsatisfactory

For further information, see a copy of the Academic Policy, available online (http://www.senecacollege.ca/academic-policy) or at Seneca's Registrar's Offices.

Modes of Evaluation
Since this is a professional credit subject, marking standards reinforce professional practice by demanding legible, tidy work. Written materials should be well organized and grammatically correct, with proper spelling and punctuation.


  • Students must retain a duplicate of all assignments.
  • Computer assignments should be documented to the instructor's standards.
  • Assignments must be handed in on the scheduled due date. Late assignments are penalized.
  • For particulars, please obtain standards, dates, etc. from your instructor.

Absenteeism and Tests
  • Students should be aware that absenteeism will impact on their ability to achieve satisfactory grades.
  • If you miss a test, you must provide the reason in writing to the instructor prior to the next scheduled class. If your reason is accepted, you will be permitted to write a make-up test. Otherwise, you will be given a zero for the test. You must submit an original doctor’s certificate identifying the date, length of time of expected absence and the specific reason for your absence, or other appropriate documentation.

Term Work and Final Exam
  • Students must attain a combined grade of at least 50% on term work and the final exam. Students must pass the final exam in order to pass the subject
  • For further information on evaluation and academic standing, see a copy of the Academic Policy available at Seneca registration offices.

Grading is based on the following marking scheme: 

Quizzes (10 @ 1% each) 10%
Assignments (1) 15%
Tests (1) 25%
Lab work 20%
Final Exam 30%

Approved by: Denis Gravelle