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Can I Use a Single SSH Key with Multiple Servers?

Updated on 15 September, 2025

Use a single SSH key to securely access and authenticate with multiple Vultr servers for simplified management.

Yes, you can associate the same SSH public key with multiple Vultr instances. This allows you to authenticate with each server using the same private key, simplifying access and management.

However, sharing a single SSH key across multiple servers comes with a trade-off. If the private key is ever compromised, every server using that key is at risk. For improved security and isolation, consider:

  • Generating separate key pairs for critical or high-value systems.
  • Using descriptive names when adding SSH keys to distinguish their usage.
  • Regularly auditing your SSH key access and removing unused entries.

To learn how to add or manage SSH keys in your Vultr account, refer to the SSH Keys documentation.