ssh-copy-id

Install your public key on a server

medium risk

interactive breakdown — edit the command and press Explain
$ 
⚠ Risks & cautions
What it does

Appends your public key to ~/.ssh/authorized_keys remotely.

Common flags
FlagMeaning
-iUse a specific public key
-pSSH port
Examples
ssh-copy-id -i ~/.ssh/id_ed25519.pub user@hostInstall a key · explain & risk-check →
Related
ssh-keygen ssh
Open the full explainer →More in Users, Permissions & Security

Reference text is hand-written and may be incomplete — check man ssh-copy-id for your version. Test destructive commands on a non-production system first.