Setting_up_an_ssh_private_key

On the server Linux system, generate keys.

   mkdir ~/.ssh /* if you do not have this directory already */ 
   chmod 700 ~/.ssh 
   ssh-keygen -t rsa

Accept the default location and press Return key for passphrase

   Generating public/private rsa key pair.
   Enter file in which to save the key (~/.ssh/id_rsa):
   Enter passphrase (empty for no passphrase):
   Enter same passphrase again:
   Your identification has been saved in ~/.ssh/id_rsa.
   Your public key has been saved in ~/.ssh/id_rsa.pub.

Transfer key to remote system.

Copy ~/.ssh/id_rsa to a secure location on windows. You will specify this file in the Remote Execution > Compute Grid settings page in the Preferences dialog.

Add public key to server list.

   cp ~/.ssh/authorized_keys ~/.ssh/authorized_keys_Backup
   cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys

Make keys secure.

   chmod 600 ~/.ssh/authorized_keys

Test that you can connect to remote Linux system without a password.

a. Open PuTTY.

b. Enter the hostname in the PuTTY Configuration dialog.

c. Go to the SSH > Auth category.

d. Enter the keyfilename (that was transferred) in the Private key file for authentication field.

e. Press Open.