Introduction to the Unix Cluster. Node: Passwords

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2.3: Choosing and Setting Passwords

Your account will be assigned a password initially. You should change this as soon as possible after getting your account set up. On the Unix computers, type yppasswd while on the POBOX.PPPL.GOV server. You will be prompted for your old password and asked to select a new password (which you need to enter twice, to guard against typos---the passwords are not echoed on the screen). This changes your password on all the Unix Cluster computers. VAX cluster computers will inform you during your first login session that your password has expired and prompt you to select a new password from among the choices provided.

Here are some guidelines for choosing a password:

In addition, the following recommendations will make your password more difficult to guess:

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