zet

Do NOT disable host-checking in ssh unnecessarily

I saw this idiocy on StackExchange:

RUN echo "Host github.com\n\tStrictHostKeyChecking no\n" >> /root/.ssh/config

It is obviously better to do this the proper way:

          mkdir -p ~/.ssh
          ssh-keyscan github.com >> ~/.ssh/known_hosts
          ssh-agent -a $SSH_AUTH_SOCK > /dev/null
          ssh-add - <<< "$"

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