How to set up public SSH keys in OpenSSH

Generate public and private SSH key pairs

1. Access to SSH key generating page and then generate key pair.

How to set up private key and remote login

1. Open terminal.
2. Run the following command to move the saved file of the private key.
   　If you have already had a private key file named as id_dsa, save as other name and select that private key.

   % mv -i ssh_key ~/.ssh/ => Current directory is the place where you saved the id_dsa
   % chmod 400 ~/.ssh/ssh_key
   

3. Log in shared computing server such as ccz00 and ccx01.

   % ssh -i ~/.ssh/ssh_key ccz00.sfc.keio.ac.jp -l CNS login name

4. It is required to input passphrase that you created in SSH key generating page .