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Secure SSH Setup on Linux - Step-by-Step Guide

Source: medium.com

Install and start the SSH server on your Linux machine to allow secure remote access.
Generate a 4096-bit RSA key pair with a passphrase for passwordless logins.
Edit the config file to change the port, disable root login, and block password authentication.

This guide walks through hardening SSH on Linux servers for safe remote control. It covers installation, key setup, and config tweaks to stop brute-force attacks. Strong SSH setup keeps hackers out while letting you work remotely without hassle.