Home/ Questions/Why does the could not open a connection to your authentication agent error occur?
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Maël Fernandes
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Asked: 2022-05-11T18:24:42+00:00 In:

Why does the could not open a connection to your authentication agent error occur?

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I get the error message:

$ git push heroku master
 Warning: Permanently added the RSA host key for IP address '50.19.85.132' to the list of known hosts.
 ! Your key with fingerprint b7:fd:15:25:02:8e:5f:06:4f:1c:af:f3:f0:c3:c2:65 is not authorized to access bitstarter.
$ ssh-add ~/.ssh/id_rsa.pub
 Could not open a connection to your authentication agent.

Has anyone ever faced this problem? How to troubleshoot could not open a connection to your authentication agent.

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2 Answers

  1. Best Answer
    Expert

    The cause: The ssh-agent is not running.

    Solution: We need to start the ssh-agent before we use ssh-add If you are using zsh on Ubuntu or Mac the following is the suggestion:

    eval `ssh-agent -s`

    You could also try the following if the above doesn’t work on your system:

    Bash

    exec ssh-agent bash

    Zsh

    exec ssh-agent zsh

    Fish

    exec ssh-agent fish

    Another solution

    Shutdown your computer and restart it. If you don’t feel like restarting you will use the first command provided.

    • 2

  2. Did you start ssh-agent?

    Before you can run ssh-add, you might need to restart ssh-agent.

    eval `ssh-agent -s`
ssh-add

    This will launch the msysgit Bash agent on Windows. You might need to use another shell or operating system in order to execute the command.

    These are the answers:

    1. ssh–add complains: Couldn’t open a connection with your authentication agent
    2. Git Push requires username and password. (Contains detailed instructions for how to use the ssh agent)
    3. How do you run (git/ssh), an authentication agent?
    4. Couldn’t open a connection with your authentication agent

    You can automatically start ssh agent and have one instance work in multiple console windows. See Start SSH-Agent on Login.

    • 17

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