How to create HPC Cluster with Slurm scheduler on Google Cloud Platform

Generating SSH keys for specific accounts (from Linux machine)

• Login to the Linux machine console.
• Run the following command to generate the SSH key pair:

ssh-keygen -t rsa -f ~/.ssh/[KEY_FILENAME] -C [USERNAME]

Note 1: Replace KEY_FILENAME with the actual private key file name

Note 2: Replace USERNAME with the user who will use this SSH key to login

• Change the permissions of the SSH private key using the command below:

chmod 400 ~/.ssh/[KEY_FILENAME]

Note: Replace KEY_FILENAME with the actual private key file name

Generating SSH keys for specific accounts (from Windows machine)

• Download puttygen.exe from:

http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html

• Run the puttygen.exe
• Click Generate and follow the on-screen instructions to generate a new key.

Note: Make sure you create keys with at least 2048 bits

• In the Key comment section, replace the existing text with the username who will use this key to login to the VM instance.
• Click Save private key to write your private key to a file with a .ppk extension.
• Click Save public key to write your public key to a file for later use.