First contact with a new server: ssh (Secure Shell) logs in over the encrypted channel using the root account. The first prompt asks you to accept the server's host key (a fingerprint that identifies the machine) — verify it against the one shown in your provider's console. After login, run the update and upgrade steps below before installing anything.
Looking for more? Search all 7,657 commands — works offline, in English or Spanish, and fixes typos.