What is SSH forwarding?

Question

I read the manual . It says that follow the next line and forget about it.

/usr/bin/ssh-add -K 

I am not sure when and where I should use it.

What is SSH forwarding?

Answer 1

Here is an explanation. And one more . "illustrated."

This should give you a general idea of ​​what is going on here.

Answer 2

If you don’t know why you need it, you won’t need to add it to customize your ruby ​​environment.

Note to others: this is a matter of setting up his environment before people demand closing it.

Answer 3

This seems to be a variant of Mac OS X for ssh-add. It adds identifiers to your OS X keychain, so any subsequent use will be convenient for them.

This is different from other types of shipping. I usually use regular ssh-add without additional options, then ssh -A to forward the agent. This means that if I transfer ssh to another host through the first, my creds are automatically transferred. Very comfortably.

In your opinion, it is best to read the manual pages for any options that you see. Ssh comes with large man pages.