If you are on a Mac, please use the quickstart for For Mac/Linux Users.
For Windows 10 users, use the Command Prompt, accessed by entering
cmd in the start menu, to access to the
HCC supercomputers. In the Command Prompt,
ssh <username>@crane.unl.edu and the corresponding password
to get access to the HCC cluster Crane. Note that <username>
should be replaced by your HCC account username. If you do not have a
HCC account, please contact a HCC specialist
or go to http://hcc.unl.edu/newusers.
C:\> ssh <username>@crane.unl.edu C:\> <password>
This quick start will help you configure your personal computer to work with the HCC supercomputers. Here we use the two third party application PuTTY and WinSCP for demonstration.
Here we use the HCC cluster Tusker for demonstration. To use the
Crane cluster, replace
tusker.unl.edufor Host Name, then click Open.
jingchaowith your username.
On the next screen, enter your HCC account password.
After you input the correct password, you will be asked to choose a Duo authentication method.
If you have a Yubikey set up by HCC, please hold the Yubikey for ~1 second. Then you will be brought to your home directory similar as below.
If you set up Duo via a smart phone, please type “1” in your terminal and press “Enter”. (Duo-Push is the most cost-effective way for Duo authentication, we recommend all user use this option if that is applicable.)
Check your smart phone for Duo login request. Press “Approve” if you can verify the request. If you find any Duo login request that is not initiated by yourself, deny it and report this incident immediately to email@example.com.
After you approve the Duo login request, you will be brought to your home directory similar as below.
For best results when transfering data to and from the clusters, refer to Handling Data
For Windows users, file transferring between your personal computer
and the HCC supercomputers can be achieved through the command
Here we use Tusker for example. The following commands should be
executed from your computer.
Uploading from local to remote
C:\> scp -r .\<folder name> <username>@tusker.unl.edu:/work/<group name>/<username>
The above command line transfers a folder from the current directory
.\) of the your computer to the
$WORK directory of the HCC
supercomputer, Tusker. Note that you need to replace
<username> with your HCC group name and username.
Downloading from remote to local
C:\> scp -r <username>@tusker.unl.edu:/work/<group name>/<username>/<folder name> .\
The above command line transfers a folder from the
$WORK directory of
the HCC supercomputer, Tusker, to the current directory (
.\) of the
Usually it is convenient to upload and download files between your personal computer
and the HCC supercomputers through a Graphic User Interface (GUI).
Download and install the third party application WinSCP
to connect the file systems between your personal computer and the HCC supercomputers.
Below is a step-by-step installation guide. Here we use the HCC cluster Tusker
for demonstration. To use the Crane cluster, replace
On the first screen, type
tusker.unl.edu for Host name, enter your
HCC account username and password for User name and Password. Then
click on Login.
On the second screen, click on Yes.
Choose option “1” and press “Enter”. Or simply press your Yubikey if you have one.
On the third screen, click on Remote. Under Remote, choose Go To and Open Directory/Bookmark. Alternatively, you can use the keyboard shortcut “Ctrl + O”.
On the final screen, type
/work/<group name>/<username> for Open
directory. Use your HCC group name and username to replace
<group name> and
<username>. Then click on OK.
Now you can drop and drag the files between your personal computer
and the HCC supercomputers.