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titleon campus or off campus with VPN
Neon:
ssh neon.hpc.uiowa.edu
 
Argon:
ssh argon.hpc.uiowa.edu

 

Since  Since the standard port for ssh is often used to attempt to break into systems, an alternate port is used if you are off-campus and not connected to the VPN.

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titleoff campus without VPN
Neon:
ssh -p 40 neon.hpc.uiowa.edu
 
Argon:
ssh -p 40 argon.hpc.uiowa.edu

 

If  If you are connecting from a computer where you are not logged in with your HawkID then you will have to specify the HawkID as the ssh client will try to login with the user name on the machine you are on. To do that, prepend your HawkID to the system name.

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titlespecifying username for ssh
Neon:
ssh -p 40 HawkID@neon.hpc.uiowa.edu
 
Argon:
ssh -p 40 HawkID@argon.hpc.uiowa.edu

If on a Windows machine enter the appropriate values in the configuration fields of the client application. When you receive a password prompt enter your HawkID password. If all went well you should then be logged on to the selected HPC system.

The HPC systems have system has multiple login nodes so the above will connect you to one of the login nodes in a round-robin fashion. Generally speaking you do not have to worry about which login node you are on but be aware that different ssh sessions of yours could be running on different login nodes. The login nodes have both internal and external names with the internal name being the one visible in your shell. The mapping between internal and external names is pretty straight forward.

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This is a little more straightforward with Argon as the only difference is the domain name.

internal nameexternal name
argon-login-1.hpcargon-login-1.hpc.uiowa.edu
(currently unavailable)
argon-login-2.hpcargon-login-2.hpc.uiowa.edu

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