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SSH Login

Enabling OTP

When connecting first to the login servers, you can log-in using only your password (or initial password), but you MUST immediately receive OTP (One-Time-Password)s for two-factor authentication. After the sucessful login, at ssh terminal, please follow the GSDC OTP GUIDE to enable it.

Linux/Mac Users

On the Linux/Mac environment, users can execute the built-in ssh command in order to connect and access GSDC TEM login servers.

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$> ssh -Y -o Port=<port> <userID>@tem-ui-al9.sdfarm.kr
First Factor:
Second Factor:

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$> ssh -Y -o Port=<port> <userID>@tem-cs-al9.sdfarm.kr
First Factor:
Second Factor:

Note

  • line 1: -Y (-X) means enabling trused (or untrusted) X11 forwarding. port is designated port number informed by administrator.
  • line 2: First Factor means your own password string.
  • line 3: Second Factor means six digits OTP code. You can input just enter if you have not enabled OTP yet.

Windows Users

MobaXterm

  • Download and install MobaXterm
  • MobaXterm is an enhanced terminal for Windows with self-contained X11 server, SSH client, network tools and much more.
  • After executing MobaXterm, click Sessions
  • On Session settings dialog, select SSH

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  • Enter tem-ui-al9.sdfarm.kr or tem-cs-al9.sdfarm.kr as Remote host.
  • Check Specify username, enter your account and a designated Port number.
  • On the dialog, select Advanced SSH settings tab: check X11-Forwarding and Compression, and also interactive shell as Remote environment.
  • Click OK button and proceed the login procedure, i.e., authentication using the first and second factors)

Putty

  • Download and install Putty

Info

To use X11-forwarding (controlling X11 GUI application running on the server-side over the SSH network channel), Putty requires a 3rd-party XWindows manager (e.g., Xming, Xmanager, etc.) installed in advance on the client workstation.

  • After executing Putty, on the Putty Configuration dialog, click Session
  • On the right panel, enter tem-ui-al9.sdfarm.kr or tem-cs-al9.sdfarm.kr as Host Name.
  • Also, enter a designated Port number.
  • Move to Connection->SSH->Auth->X11 and confirm to check Enable X11 forwarding
  • Move to Session, optionally save the profile with the given session name and click Open to connect the login servers.

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