Linux Passwordless oneliner

Mon, 25 Aug 2025 10:44:17 +0000

TARGET=user@host; PORT=22; [[ -r ~/.ssh/id_ed25519.pub ]] || ssh-keygen -t ed25519 -N "" -f ~/.ssh/id_ed25519; ssh -p "$PORT" "$TARGET" 'umask 077; mkdir -p ~/.ssh && cat > ~/.ssh/authorized_keys' < ~/.ssh/id_ed25519.pub && ssh -p "$PORT" "$TARGET" 'echo ">>> Root доступ подтверждён"'

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Linux Passwordless oneliner