Error "Bad configuration option: AuthorizedPrincipalsCommand" when running the deploy script

Symptoms

Error "Bad configuration option: AuthorizedPrincipalsCommand" when running the deploy script.

Root Cause

Unsupported OpenSSH version (typically older than OpenSSH 6.9).

Solutions

  • Upgrade OpenSSH to a supported version, or
  • Configure system with AuthorizedPrincipalsFile instead, see
    Allowing Role-Based Access
    , or
  • Configure system with public key authentication

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