Stop using SSH passwords! Pro-tip: Switch to Ed25519 keys—they're faster and more secure than RSA. Combine this with UFW (set to deny by default) to kill the noise. Your logs will thank you later. 🛡️🐧
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A professional 3D illustration of a high-tech Linux penguin holding a glowing digital key behind a shimmering blue geometric shield. The shield blocks out red sparks of data noise in a dark, futuristic server room environment.