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SSH Password-less Login
hpc-portal1.hpc.uark.edu does not accept passwords as an authentication method for Secure Shell (SSH) protocol. Instead SSH key files are used for access. A public SSH key file is stored in your account on Pinnacle. You must supply a matching private key file as a parameter to the ssh command on the client to log in.
ssh -i pinnacle.key ffinfinn@hpc-portal1.hpc.uark.edu
To generate and configure a pair of SSH key files in your account on pinnacle access the web portal at https://hpc-portal1.hpc.uark.edu. In the top menu go to Clusters→SSH keys
Workstation Set-up:
An ssh client is needed on your workstation to access the ssh login hosts. The https web portal
portal_login has an ssh text emulator in-browser if you don't have an ssh client available. An
ssh client (and file-transfer scp,sftp) are usually installed by default on linux and Mac workstations. More guidance on how to find the ssh client on a Mac and other linux operating system.