Here are steps to log into Talapas from a remote computer (e.g., your personal workstation).

Connection Information

Here are the current Talapas login hosts. You can choose any host–they are all equivalent. (If the one you choose is down, try another.)

Your username on Talapas will be your Duck ID. (That is, if your email address is alice@uoregon.edu, your Talapas username will be "alice".) Your password is the same University-wide and can be managed at the UO password reset page.

Connecting via SSH

The SSH protocol is used for all shell connections to the login nodes. Multiple SSH are clients available–you can use whichever one you find most convenient.

Once logged into a login node, you can navigate the storage system, write scripts, edit code, and launch jobs. Remember that login nodes are NOT an appropriate place to run applications or simulations. A good rule of thumb to use: if something takes longer than one second to run, then it's inappropriate for a login node. Instead, use a compute node. For information on launching an interactive session on a compute node see How-to Start an Interactive Job.

Mac OS X and Linux

If you're logging in from one of these operating systems, it's easiest to just use the builtin ssh command. To do this, open a terminal emulation program (often called "Terminal") to get a command-line on your workstation. Then enter a command like this:

$ ssh myDuckID@talapas-ln1.uoregon.edu
Welcome to Talapas!

myDuckID@talapas-ln1.uoregon.edu's password: 
Last login: Thu May 25 10:18:23 2017 from somewhere.uoregon.edu

[myDuckID@ln1 ~]$

Note: For security, no characters will display when entering your password.

Microsoft Windows

Windows has no builtin SSH client, but you can download and install one of several free clients:

Configuration varies, but it's generally sufficient to specify SSH as the protocol and to use the hostname, username, and password information as specified above.

Google Chrome

On a Chromebook, or most other platforms that run the Google Chrome web browser, you can install the Google Chrome Secure Shell extension. This is a terminal emulator and SSH client that runs in a Chrome window.

X11 Forwarding

Some programs expect to show graphic output using the X Window System (also known as X11). This generally requires that you run an X server on your local workstation, and that you forward X traffic from the Talapas host that's running the graphic program.

On Linux, you'll usually already be running an X server.
On Mac OS X, you'll need to install and start XQuartz.
On Microsoft Windows, there are several solutions. Perhaps the easiest is to install MobaXterm, which also includes an X server.

Once the server is running, you can forward X11 traffic to it when you start an SSH connection. For command-line clients, this is as easy as adding the -Y flag for :

ssh -Y myDuckID@talapas-ln1.uoregon.edu

For other SSH clients, you may need to configure the corresponding option.

See How-to Run an X11 application for more details on running an X11 program on a compute node.

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