HPC/Network Access

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Carbon Cluster
User Information

Accessing Carbon

To use Carbon you need an active user proposal and your Argonne domain username and password. You must renew your password about every 6 months.

From an onsite and Argonne-owned computer

Connect with a Secure Shell client program directly to carbon.cnm.anl.gov.

From any other computer

Employ one of the following mechanisms:

  • Argonne employees may wish to log into the Argonne VPN first, then access the Carbon login nodes.
  • Otherwise, use CNM's SSH gateway, see next section.

Requirements for using the SSH gateway

Using Carbon - II Remote Access - Title.png

To access the gateway:

  • You must be a user on a CNM proposal that is active or has recently expired (within the last 6 weeks).
  • Use your Argonne password to log in.
  • The gateway is needed for port forwarding only. Do not run any commands or store any files on this machine.

Using the SSH gateway

Setup for interactive use and file transfers

SSH GUI Applications


Additional information:

Password Policies

The methods described above will grant you, the holder of your Argonne domain password and private ssh key, access to your account on Carbon. As with any Argonne computer system, the following rules apply:

  • Keep passphrases and passwords private – do not share them with anyone, including administrators that you know or don't know.
  • Keep your private key file private - do not share it with anyone.
  • Use a strong passphrase following DOE password regulations.