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You need to initialize ssh-agent first.

You can do this in multiple ways. Either by starting a new shell

ssh-agent bash

or by evaluating the script returned by ssh-agent in your current shell.

eval "$(ssh-agent)"

I suggest using the second method, because you keep all your history and variables.

The client tool ssh-add wants to communicate with the background process ssh-agent. You need to start the ssh-agent process first. On Linux, an Shell uses the environment variables SSH_AUTH_SOCK and SSH_AGENT_PID to identify the correct process to talk to.

You can start ssh-agent in multiple ways. Either by starting a new shell

ssh-agent bash

or by evaluating the script returned by ssh-agent in your current shell.

eval "$(ssh-agent)"

I suggest using the second method, because you keep all your history and variables.

You need to initialize the agent first.

You can do this in multiple ways. Either by starting a new shell

ssh-agent bash

or by evaluating the variables returned by ssh-agent in your current shell.

eval "$(ssh-agent)"

I suggest using the second method, because you keep all your history and variables.

You need to initialize ssh-agent first.

You can do this in multiple ways. Either by starting a new shell

ssh-agent bash

or by evaluating the script returned by ssh-agent in your current shell.

eval "$(ssh-agent)"

I suggest using the second method, because you keep all your history and variables.

You need to initialize the agent first.

ssh-agent bash

You need to initialize the agent first.

You can do this in multiple ways. Either by starting a new shell

ssh-agent bash

or by evaluating the variables returned by ssh-agent in your current shell.

eval "$(ssh-agent)"

I suggest using the second method, because you keep all your history and variables.