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PuTTY
PuTTY is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. This guide shows how to use PuTTY to connect to the Euler cluster.
Basic login¶
Starting PuTTY¶
Start PuTTY:
Enter Euler hostname (euler.ethz.ch):
Logging in¶
Enter your ETH account username and password:
Upon a successful login, you can see the welcome banner and links to this Wiki, Smartdesk and cluster support:
Saved session¶
Create a session¶
Enter Euler hostname (euler.ethz.ch) and a session name:
Add your username:
Save a session¶
Save your session configuration for future use:
Load a session¶
Load a previously saved session:
SSH Keys¶
Create SSH keys¶
Start PuTTYgen (PuTTY Key Generator):
Generate SSH Keys:
Enter a passphrase and save the public and private keys:
Navigate to the folder you want to save the SSH keys, define the key file name and save it:
Add the private key to a session¶
Create a session or load a session. Then, go to the Auth section to add the private SSH key:
Copy the public key to the cluster¶
Log in to the cluster and open the file $HOME/.ssh/authorized_keys with a text editor.
This file should have the reading and writing permission only for you, the owner of the file (-rw-------). Otherwise, you can change the permission with the command:
Copy the public key to the file and save the file:
Passwordless login¶
Create an SSH session or load a saved session, then enter the passphrase to login:
Auto login¶
Run Pageant¶
Start Pageant (PuTTY SSH Agent):
When Pageant is running, you can see the pageant icon on the left of the tool bar:
Add SSH key to Pageant¶
Right click on the Pageant icon. Select "Add Key":
Navigate to the folder where the keys are stored and select the private key:
Enter the passphrase and click OK:
Passwordless and passphraseless login¶
The next time you load the saved session with SSH key configured, you can log in without typing the password or the passphrase:
