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Jobs are submitted to the cluster via the login node as show in the example below.

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The login node is only accessible from wired connections, secure wifi or the CUIT VPN.

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titleSSH from other Columbia hosts

While the login node is not currently accessible from the Internet, it is accessible from most parts of the Columbia so you can ssh from another host which is available on the Internet such as other HPC login nodes or Cunix.

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