Yes, first make sure you are connected on LinkedIn with the candidate you want a recommendation from. Then go to the candidate's public profile and click 'More' and you will see a drop-down menu that says 'Request a recommendation'.
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It is important to follow certain guidelines and best practices to ensure that the recommendations are fair, unbiased, and relevant to the job requirements.

This can include asking for recommendations only if you have worked closely with the candidate, providing clear guidelines and instructions, ensuring that the recommendations are unbiased and fair, and using the recommendations as one of several factors in the hiring decision.