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Streamlining SSH Key Management

  • Managing SSH authentication keys for multiple servers is challenging and risky.
  • A Bash script can be used to streamline, secure, and manage the SSH key pairs.
  • The SSH config file ( .ssh/config ) contains key parameters to manage various SSH connections.
  • The config file can be organized and simplified by using include files.
  • The Bash script generates unique key pairs, creates a config file for each server, and ensures they link back to the main config file.
  • The script creates a directory to store the SSH key pair and configuration file, sets file permissions, and generates SSH key pairs using ed25519 algorithm, with no passphrase.
  • A config file for the new login is created and stored in the same directory as the SSH keys.
  • Linking the server’s address and username into a single alias simplifies connecting to servers.
  • The script also tests the login and logs out the remote server at the end of the script.
  • The script enhances SSH key security while making it easier to generate keys and keep them well-organized.

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