Description of changes:
adding random string generator to append to id_rsa keypair to prevent conflicting with existing keypair named id_rsa - from another workshop
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Issue #, if available:
Description of changes: adding random string generator to append to id_rsa keypair to prevent conflicting with existing keypair named id_rsa - from another workshop
By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.