I Secured My Linux Server in 1 Hour — Here's Exactly What I Changed

In this video, I break down the 5 most dangerous SSH mistakes that leave Linux servers exposed to hackers, bots, ransomware, crypto miners, and brute-force attacks. Whether you're running Ubuntu, Debian, CentOS, Fedora, VPS hosting, or a home server, these simple SSH hardening steps can dramatically improve your security. 📌 You'll learn how to: Change the default SSH port (22) Disable root login Use SSH key authentication instead of passwords Set up Fail2Ban to block attackers automatically Keep OpenSSH updated against new vulnerabilities Add extra layers like 2FA, firewalls, and monitoring 💡 This is practical Linux security — no advanced cybersecurity background required. If you manage a VPS, cloud server, homelab, or production infrastructure, this video could save you from a costly compromise. Like the video, subscribe to Nolan Tech, and turn on notifications for more Linux, server, and cybersecurity content.#Linux #CyberSecurity #SSH #Ubuntu #LinuxServer #OpenSSH #ServerSecurity #DevOps #VPS #EthicalHacking #Fail2Ban #TechTips #NolanTech