Dell iDRAC 8 User Manual page 126

Deleting SSH keys using RACADM
To delete the SSH key(s), run the following commands:
• Specific key — racadm sshpkauth -i <2 to 16> -d -k <1 to 4>
• All keys — racadm sshpkauth -i <2 to 16> -d -k all
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