Stop using passwords over SSH — it’s 30 seconds of setup.
ssh-keygen -t ed25519 -C 'you@laptop' ssh-copy-id user@your.vps.ip
Then edit /etc/ssh/sshd_config on the VPS:
PasswordAuthentication no PermitRootLogin no PubkeyAuthentication yes
Reload sshd: sudo systemctl reload sshd. Test the new connection in a second window before you close the first.
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