Computer Accounts

How to Use SSH on Solaris/Linux to Change Your LPL Password

To change your LPL password from a Solaris or Linux system, use Secure Shell (SSH) to login to shell.lpl.arizona.edu and issue the UNIX passwd command, as follows:

  • Open a Terminal window

    • Right-click on your desktop

    • Left-click on Open Terminal in the pop-up menu

  • In the Terminal window that appears, type this command: ssh your-LPL-username@shell.lpl.arizona.edu (where you replace your-LPL-username with your LPL username)

  • Type your LPL password.

  • Press Return or Enter. This should log you in to shell.lpl.arizona.edu. You should see a banner and command-line prompt that looks like this: shell:/home/your-LPL-username %

  • Now type the UNIX passwd command: shell:/home/your-LPL-username % passwd You will see two lines displayed: passwd: Changing password for your-LPL-username Enter existing login password:

  • Enter your current password (it will not display) and hit return.

  • Then enter your new password (it will not display) and hit return.

  • Then reenter your new password (it will not display) and hit return. You should then see the command-line prompt.

  • Then logout by typing the UNIX exit command: shell:/home/your-LPL-username % exit logout Connection to shell closed.

How to Use SSH on Windows to Change Your LPL Password

If you do not already have a Secure Shell (SSH) Client installed on your PC, click here to learn how to download, install, and test Secure Shell.

To use SSH from your Windows PC to change your LPL password, follow these instructions:

  • Double Click the "Secure Shell Client" icon (white with blue bubbles) on your desktop.

  • Click Quick Connect.

  • Fill in the fields as follows: Host Name: shell.lpl.arizona.edu User Name: your-LPL-username

  • Click Connect. You might be presented with a "Host Identification" window announcing that you are connecting to shell for the first time. This notice only appears the first time you connect to a particular host if you save the key.

  • If you see such a prompt, click Yes. A window titled "Enter Password" will appear.

  • Type your login password into the "Password:" window.

  • Click OK.

  • Type your password.

  • Press Return or Click OK or Connect. This should log you in to shell.lpl.arizona.edu. You should see a command-line prompt that looks like this: shell:/home/your-LPL-username %

  • You can then issue the UNIX passwd command: shell:/home/your-LPL-username % passwd You will see two lines displayed: passwd: Changing password for your-LPL-username Enter existing login password:

  • Enter your current password (it will not display) and hit return.

  • Then enter your new password (it will not display) and hit return.

  • Then reenter your new password (it will not display) and hit return. You should then see the command-line prompt.

  • Then logout by issuing the UNIX exit command: shell:/home/your-LPL-username % exit logout Connection to shell closed.

How to Use SSH on Mac to Change Your LPL Password

To change your LPL password from a Mac system,
use Secure Shell (SSH) to login to shell.lpl.arizona.edu
and issue the UNIX passwd command, as follows:

  • Open a Terminal window

    • Type command-N (hold down the propellor key and press the N key)

    • Click Applications (left side of the new finder window that appears)

    • Double-Click on Utilities (you may need to scroll down)

    • Double-Click on Terminal

  • Type this command in the Terminal window that appears: ssh your-LPL-username@shell.lpl.arizona.edu (where you replace your-LPL-username with your LPL username)

  • Type your LPL password.

  • Press Return or Enter. This should log you in to shell.lpl.arizona.edu. You should see a command-line prompt that looks like this: shell:/home/your-LPL-username %

  • Now type the UNIX passwd command: shell:/home/your-LPL-username % passwd You will see two lines displayed: passwd: Changing password for your-LPL-username Enter existing login password:

  • Enter your current password (it will not display) and hit return.

  • Then enter your new password (it will not display) and hit return.

  • Then reenter your new password (it will not display) and hit return. You should then see the command-line prompt.

  • Then logout by typing the UNIX exit command: shell:/home/your-LPL-username % exit logout Connection to shell closed.

How do I change my LPL password?

To change your LPL password:

  • 1. Choose a strong password that you have not used elsewhere.
    < >A strong password is at least 8 characters long, containing a mix of:

    Lowercase letters [a-z]

    Uppercase letters [A-Z]

    Numerals [0-9]

    Non-alphanumeric characters (!@#$%^&*()_+|~{}[]:";'<>,.?/)

    A bad password is:

    A word that is found in a dictionary (regardless of language).

    Your birthday, phone number, address, license plate, relative's name, etc.

    Identical to your computer id or your name.

    Words or names from Sci-Fi or fantasy books or movies.

    2. Use Secure Shell (SSH) to login to shell.lpl.arizona.edu and run the UNIX passwd command.

    • Mac users, click here for details.
    • Windows users, click here for details.
    • Solaris or Linux users, click here for details.
I forgot my LPL password. What do I do?

Contact LCS Support to have your password reset: LPL Central Computing Systems Support

After it is reset, LCS staff will call you, tell you the new password, and ask you to change it to a password that only you know.

How do I obtain a computer account?

To obtain an LPL computer account, send email to sys or come by SS-201.

Who may obtain an LPL computer account?

All employees & students at LPL as well as others affiliated with LPL programs may use LCS resources.

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