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Nuclear Magnetic Resonance
Do not reset the spectrometer or computer under any circumstances.
If you have any problems, contact Dr. Krunic (Room: B72, 6-4364).
Do not adjust the Sample Depth Gauge for any instrument under any circumstances.
Do not attempt to adjust the printers. Loading paper (when necessary) is the only activity allowed.
Spectrometer users should sign in the logbook before starting and sign out after finishing the work. Anyone not signing the logbook may lose their NMR access.
Any spectrometer problems you come across during the course of your run should also be noted in the logbook. This practice will help with trouble-shooting the spectrometer in a later period.
Do not write any personal comments in the logbook. If you think somebody is abusing the facility for some reason, report it to Dr. Krunic (Room: B72, 6-4364).
One of the easiest ways to crack a computer system is by gaining access through a user's personal account. This is frequently possible due to accounts having easily guessed passwords, like the user name, or the person's first or last name, etc. At best, this may compromise a single user's data, and at worst it may compromise the entire system. Such a compromise of spectrometer computers will affect the normal functioning of the facility for an indeterminate period of time depending upon the damage caused by the intruder. It also generally results in the expenditure of much wasted staff time on the part of the system manager, as they try to track down exactly what happened. To eliminate password related risks, the users are expected to adhere to to the following rules:
Selection of Passwords
The objective here is to select a password that cannot be easily guessed.
What not to use:
Don't use your login name in any form (as-is, reversed, capitalized, doubled, etc.).
Don't use your first or last name in any form.
Don't use your spouse's or child's name.
Don't use other information easily obtained about you. This includes license plate numbers, telephone numbers, social security numbers, the brand of your automobile, the name of the street you live on, etc.
Don't use a password of all digits, or all the same letter. This significantly decreases the search time for a cracker.
Don't use a word contained in (English or foreign language) dictionaries, spelling lists, or other lists of words.
Don't use a password shorter than eight characters.
What to use:
Do use a password with mixed-case alphabetics.
Do use a password with nonalphabetic characters, e.g., digits or punctuation.
Do use a password that is easy to remember, so you don't have to write it down.
Do use a password that you can type quickly, without having to look at the keyboard. This makes it harder for someone to steal your password by watching over your shoulder.
Following are some examples of good and bad passwords:
g2du75ks is a good password. goducks98 is not.
d8sm45h is a good password. dsmith22 is not.
Z3$zhU03 is a good password. zzhu1234 is not
Ha3$pY65 is a good password. 365happy is not.
Once you've selected a good password, please don't write it down where other people may be able to see or access it.