**This is an old revision of the document!**
SSH Password-less Login
https://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. This is a safer method which requires you to reference a private key file as a parameter to the ssh command.
You can access Pinnnacle ove SSH The secure shell protocol (SSH) can be configured to authenticate users with several methods including using SSH keys. You may log into Pinnacle using SSH
AHPCC clusters are available on several ssh login hosts and from a web portal, see portal_login. The ssh common account text login host is hpc-portal2.hpc.uark.edu.
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.