ECON Knowledge Base

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======Logging in to the Cluster======

=====Windows 10/11=====

Starting with Windows 10, Powershell (and Windows Terminal if you are using Windows 11) has SSH functionality built-in. Open Powershell/Terminal, and type the following: 

<code>ssh [your username]@cluster.econ.umd.edu</code>

You will then be prompted to enter your password. (NOTE: You will not see any input while entering your password).

=====MacOS=====

MacOS has SSH functionality built in to its terminal application. Open the Terminal, and type: 

<code>ssh [your username]@cluster.econ.umd.edu</code>

You will then be prompted to enter your password. (NOTE: You will not see any input while entering your password).

====Workaround for Host Key Issue with MacOS SSH====

Some users running newer versions of MacOS have run into an error stating the following: 

<code>Unable to negotiate with xxx.xxx.xxx.xxx port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss</code>

This is due to MacOS removing the ssh-rsa and ssh-dss key types from their default SSH connection. As a workaround, you can explicitly use ssh-rsa to connect by using the following:

<code><code>ssh -oHostKeyAlgorithms=+ssh-rsa [your username]@cluster.econ.umd.edu</code>

That should allow you to connect to the cluster if you're running into this issue.