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Why should I not change a password or delete an existing SSH key in my exercise environment?

Exercise environments often have several features that rely on the use of passwords or SSH keys for the default user (usually called "student"). When these passwords or SSH keys are changed or deleted, respectively, these features can be disabled or can even break entirely.

Most importantly, changing a password or deleting an SSH key for the default user can break an environment's login process, which would render the environment unusable and is unfortunately an issue we are unable to repair.


Exercises that require students to change a user's credentials may still be safely performed by creating an additional user in the exercise environment and changing that new user's credentials.

Have a Question? Contact Support


Students, please reach out to your instructor who can submit a ticket to our Support Team on your behalf.

We're here to help you. If you still have questions after reviewing the information above, please feel free to submit a ticket with our Support Team and we'll get back to you as soon as possible.