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1/14/2008

University of Maine Computer Science Department PC Cluster Frequently Asked Questions -——————————————————————————————————-

This is a list of common questions and answers.

If you have a question regarding class specific material then please contact your instructor.

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Questions:

How do I login?

How do I change my password?

Can I use the computer facilities for recreational use?

How do you print?

How do you stop something from being printed?

What facilities are available on campus?

Who is eligible for a Computer Science computer account?

How long will my account last?

What is not allowed?

Where can I get help?

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How do I login?

In order to use PC’s in the Computer Science department clusters, you must first log into the network. You are identified to the system by a login name. This name is composed of the first six characters of your last name (up to the first space) and the last two digits of your student ID number. If you name is shorter than six characters, then your entire last name will be used.

Thus, if your last name is JONES, and your ID number is 123-45- 6789, your login name will be JONES89. Note: if your name contains an apostrophe, it will be changed to an underline. Thus O’Brien (with ID 000-11-2233) becomes O_BRIE33. If your name contains a space, only the characters preceding the space are used; thus De Long (with ID 000-11-2233) become DE33.

Computer Science has two PC clusters – one in Room 118 Neville, and the other in Room 106 Neville. To access the network, simply turn on the power switches on the computer and monitor.

Enter your login ID and password. Your password is your student ID, without the hyphens. Note: DO NOT USE THE NUMERIC KEYPAD because these keys will not work correctly unless NumLock is on. In the example above, Jones’ password would be 123456789. The password is not displayed on the screen as you type, so you will have to be careful typing.

If the login is unsuccessful, you will get a message saying that access has been denied. Check to be sure that you entered the correct login name and typed your password correctly. If after several tries, you still can’t log on to the system, see a consultant, the System Administrator (Room 115 Neville), or your instructor for help.

Everyt student has a “home directory”. This is the only area where you are are allowed or to save files. If you try to save a file in another directory you will get an error message which will vary depending on the application you are running. Your home directory is H:\. Because disk space on Rocknroll is limted each user is assigned a “disk quota”. Every time you login you will receive a message telling you how much space you have left on your disk quota. It is important that you not use up the entire quota or certain applications may not work correctly. If the amount of free space that you have left is below 10,000 bytes then you really need to delete some files or transfer them to floppy disk.

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How do I change my password?

The first time you login you should change your password. To do so, go to the DOS prompt and type SETPASS. You will be prompted for your old password, and twice to enter the new one. If you mistype the old password or don’t type the new password correcly both times you will get an error saying something like ‘Access denied’ or ‘New password not retyped correctly’ and you must try again.

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Can I use the computer facilites for recreational use?

If the cluster is full, then recreational use is not allowed. In other words, class work takes precedence. It is expected that recreational users will yield their machines to those needing to use the facilities for class related work.

Violators of this policy will have their account privileges revoked.

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How do you Print?

Printing to the laser printers is restricted. Each user is given 500 laser pages per class. This number is based on the course fee which is used for covering such costs. Once all of your laser pages are used up you will no longer be able to print to the laser printers, so use them wisely!

Please be considerate of others when printing. If the cluster is busy, do not print large jobs!

The Laser printers are HP8000’s with PostScript and duplexers. The duplexer enables these printers to print on both sides of a sheet of paper. The default is duplex printing, so if you print a 1 page document you will be charged 2 pages (1 for each side of the page).

Please be sure that the job you take is the one you printed. Also, the login of the person printing is displayed on the LCD screen located on the top right of the front of the printer as the job is printing. On very small jobs (1 or 2 pages) it will only be displayed for a second.

Do NOT try to print binary files (files ending in .EXE or .OBJ). Such files are not mean to be printed and will cause huge amounts of paper to be wasted. See the next section labeled ‘How to stop something you printed from being printed’ if you do.

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How do you stop something from being printed?

Double click on the printer icon that appears on the bottom right hand side of the menu bar when you are printing. Select the print job you want to delete and select Document and Cancel Printing. It may take a few seconds, but eventaully your job will stop printing.

NOTE: Unless you are a consultant, CS faculty member, or CS graduate student, the system will only allow you to delete your own print jobs, not the jobs of others.

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What facilities are available on campus?

The University of Maine has several PC computer clusters available for use by students enrolled in COS courses. The Department of Computer Science operates two clusters, located in Rooms 106 and 118 Neville. The PC clusters are open:

Monday – Fri: 7am – 10pm

Use of these clusters is restricted to students enrolled in COS courses. Public clusters for general use are available in Fogler Library, in the Memorial Union and in 111 Corbett.

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Who is eligible for a Computer Science computer account?

You must be a student currently taking a COS course in order to be eligible for a CS computer account. All students who are registered in a COS course are automatically given a PC account for the system at the end of the first week of class. They do not need to fill out any paperwork.

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How long will my account last?

Unless you are a CS Faculty, or CS graduate student CS major your account and all its files will be removed at end of the semester. CS majors must fill out a Computer Access Request Form at the end of the semester in order for.

NOTE:IT IS YOUR RESPONSIBILITY AT THE END OF THE SEMESTER TO SAVE ANY FILES YOU WISH TO KEEP TO FLOPPIES OR TO ANOTHER ACCOUNT.

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What is not allowed?

Food and drink is not allowed in the computer clusters.

Recreational use of the computers is not allowed if the cluster is full.

Access will be denied immediately to anyone who is found to have abused the network. Such abuses include security violations or attempted security violations (i.e., accessing, destroying or copying other people’s files or attempting to bypass network security restrictions); mailing or displaying annoying, obscene or threatening data; broadcasting messages; attempting to copy commercial software from the server. Such abuses may also subject you to disciplinary action or even criminal charges. At the discretion of the CS Department, your actions may be reported to the Judicial Affairs office, to Campus Security, or to local, State or Federal police agencies.

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Where can I get help?

Consultants are regularly scheduled in the clusters most afternoons and evenings throughout the semester. Schedules will be posted in each cluster. Consultants are usually assigned to specific courses and may not be able to answer your questions for another course. Check the consulting schedule for the course in which you are enrolled.

If no consultant is available, then you can also check with your professor. If you are having trouble printing or can’t login to your account then you can see the System Administrator in 115 Neville.

The CIT help center may also be able to help you. They are located in 17 Shibles Hall and can be reached at 581-2506.