Add SSH key from variable

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I have a bash script inside a Docker container that needs to access remote server via ssh. I have SSH key inside a variable. How can I add it to SSH?

ssh-keys ssh bash
3 Answers

If you are using Gitlab CI/CD and you want to use a variable as an SSH key you can do the following:

  • Add your variable in Settings -> CI/CD -> Variables

  • Use that variable in your .gitlab-ci.yml file:

    - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add - > /dev/null

Gitlab documentation

user_18003710

Also, you can use:
echo "${SSH_PRIVATE_KEY}" | ssh-add -
or
ssh-add <(echo "$SSH_PRIVATE_KEY")

user_129602610
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