I need to generate public key to set up in ssh. How do I do it from windows command prompt? I tried using ssh-keygen -t rsa from c:\ but received a message ssh-keygen is not recognized as an internal or external command, operable program or batch file.
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ssh-keys
If you've got git-bash installed (which comes with Git, Github for Windows, or Visual Studio 2015), then that includes a Windows version of ssh-keygen.
https://help.github.com/articles/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent/
ssh-keygen isn't a windows executable.
You can use PuttyGen (http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html) for example to create a key
Humm, what? ssh is not something built in to Windows like in most *nix cases.
You'd probably want to use Putty to begin with. And: http://kb.siteground.com/how_to_generate_an_ssh_key_on_windows_using_putty/
Just download and install openSSH for windows. It is open source, and it makes your cmd ssh ready. A quick google search will give you a tutorial on how to install it, should you need it.
After it is installed you can just go ahead and generate your public key if you want to put in on a server. You generate it by running:
ssh-keygen -t rsa
After that you can just can just press enter, it will automatically assign a name for the key (example: id_rsa.pub)
Source: Stackoverflow.com