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SSH key generation (using PuTTYgen.exe), and ssh-key … · SSH key generation (using...

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Page 1: SSH key generation (using PuTTYgen.exe), and ssh-key … · SSH key generation (using PuTTYgen.exe), and ssh-key login, and le transfer using Filezilla March 1, 2013 ... and download

SSH key generation (using PuTTYgen.exe), and ssh-keylogin, and �le transfer using Filezilla

March 1, 2013

PuTTY

Installation

1. Check PuTYY.exe and PuTTYgen.exe are installed on your (local) Windows computer.

2. Installation

(a) Full installation: visit http://download-putty-ssh.com/, and download and installPuTTY (putty_setup.exe). During the downloading process, select �Full Installation�(depending on version).

(b) If you are not authorized to run putty_setup.exe, then download individual �les: (atleast) PuTYY.exe and PuTTYgen.exe, which are already ready to run.

Password Login

1. Start PuTYY.exe by double-clicking it.

• In �Host Name�, type �fractal.eng.hawaii.edu� and click �Open�.

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Page 2: SSH key generation (using PuTTYgen.exe), and ssh-key … · SSH key generation (using PuTTYgen.exe), and ssh-key login, and le transfer using Filezilla March 1, 2013 ... and download

• You will see a new PuTTY window.

� On �login as:� prompt. Type your ID (mpiuserNNN) and enter.

� Your password will be asked. Type/enter your password to login

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SSH-key generation

• Start �PuTTYgen.exe�. See left �gure below.

• Click �Generate� and move your mouse in the upper blank area. This will generate a randomkey of your own, based on mouse motion. No duplicate key exists in the world. Files to begenerated will be unique ones, which you have to store in a secure place (your USB only).Do not save or copy these �les in any hard drive of any local Windows computer. You willsee one similar to the right �gure.

• Type your passphrase and con�rm it, which is similar to password. But, this passphrase iswithin the ssh-key and so independent on your user password.

• [Important!] Open Note Pad application, copy and paste a few lines in the Window above,beginning �ssh-rsa . . . . . . � to the Note Pad. Save the �le as your user name followed by �.pub�,e.g., mpiuser000.pub, and email the public key �le to me: [email protected].

• Click �Save private key� and and save the key-�le on your USB drive with speci�c (mean-ingful) name for you, e.g., mpiuserNNN.ppk. The public and private �le names cannot besame. Do not overwrite the public key (that you saved �rst) by the private key. Private keyscan have extension (.ppk) designated by PuTTY software.

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SSH-key log in

• Open PuTTY.exe again.

• Type your own session name under �Saved Sessions� and click �Save�. Then, the session willbe saved for quick use next time.

• Click �Connection� and �Data�. In the right top box, type your fractal user ID (mpiuserNNN).

• Under the same �Connection�, click SSH and expand sub menus by clicking + symbol beside�SSH�, and then click �Auth�. Click browse in the right input box and select your privatekey, which you generated and stored on your USB.

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• Go to �Session� (on the left top menu). Type fractal.eng.hawaii.edu under �Host Name� andclick �Save�.

• Then, click �Open�. You might be asked to input your password, if you public keys is notset up by me. Once it is done, you can input your passphrase and login fractal.

File transfer

1. Install Filezilla Go to �Edit� -> �Setting� -> �SFTP�.

2. Add your private key �les, located in your USB drive and con�rm.

3. On the main menu bar, input Host, User name, and port=22.

4. Leave password blank. Click �Quick Connect�

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