Page Comparison

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• Macs and Linux have Terminal programs built-in – find it now on your computer
• Windows optons:
  • Windows 10
    • Command shell has ssh and scp (may require latest Windows updates)
      • Start menu → Search for Command
    • Windows Subsystem for Linux – Windows 10 Professional includes a Ubuntu-like bash shells
      • See https://docs.microsoft.com/en-us/windows/wsl/install-win10
      • We recommend the Ubuntu Linux distribution, but any Linux distribution will have an SSH client
  • or
    • Putty – http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html
      
      • simple Terminal and file copy programs
      • download either the Putty installer (https://the.earth.li/~sgtatham/putty/latest/w64/putty-64bit-0.70-installer.msi)
        • or just putty.exe (terminal) and pscp.exe (secure copy client)
    • Cygwin – http://www.cygwin.com/
      
      • A full Linux environment, including X-windows for running GUI programs remotely
      • Complicated to install

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ssh is an executable program that runs on your local computer and allows you to connect securely to a remote computer. We're going to use ssh to access the stampede2 lonestar6 compute cluster at TACC, where the remote host name is stampede2ls6.tacc.utexas.edu.

• On Macs or Linux, you run ssh from a Terminal window

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• .
• On Windows 10 or later, ssh is available in Command Prompt or PowerShell.
  • If your Windows does not have ssh, use PuTTY instead.
• If you have the Windows subsystem for Linux installed, double-click on the icon for the Linux distribution you installed (e.g. Ubuntu).

In your local Terminal window:

ssh <your_TACC_userID>@stampede2userID>@ls6.tacc.utexas.edu

• Answer yes to the SSH security question prompt
• Enter the password associated with your TACC account
• Wait for your 2-factor authentication code to arrive via SMS or app, then type it in

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• Double-click the Putty icon
• In the PuTTY Configuration window
  • make sure the Connection type is SSH
  • enter stampede2.tacc.utexas.edu for Host Name
    • Optional: to save this configuration for further use:
      • Enter stampede2 into the Saved Sessions text box, then click Save
      • Next time select the stampede2 from the Saved Sessions list and click Load.
  • click Open button
  • answer Yes to the SSH security question
• In the PuTTY terminal
  • enter your TACC user id after the "login as:" prompt, then Enter
  • enter the password associated with your TACC account
  • provide your 2-factor authentication code

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