title: Accessing an Arvados VM with SSH - Unix Environments
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-This document is for unix environments (Linux, OS X, Cygwin). If you are using a windows environment, please visit the "Accessing Arvados VM with SSH - Windows Environments":ssh-access-windows.html page.
+This document is for unix environments (Linux, OS X, Cygwin). If you are using a Windows environment, please visit the "Accessing an Arvados VM with SSH - Windows Environments":ssh-access-windows.html page.
Arvados requires a public SSH key in order to securely log in to an Arvados VM instance, or to access an Arvados Git repository. The three sections below help you get started:
h1(#gettingkey). Getting your SSH key
-h3(#unix). Generate key using ssh-keygen
+h3(#unix). Generate a key using ssh-keygen
Start by opening a terminal window. Check if you have an existing public key: