I Built a Script That Hardens a Linux Server Automatically — Here’s How

📰 Medium · DevOps

Learn how to automate Linux server hardening with a script, improving security and reducing vulnerabilities

intermediate Published 21 May 2026
Action Steps
  1. Run a script to disable root login on a fresh Ubuntu server
  2. Configure SSH to use key-based authentication instead of passwords
  3. Install and enable a firewall to block unwanted traffic
  4. Test the script on a new server to ensure hardening is successful
  5. Apply the script to existing servers to improve overall security posture
Who Needs to Know This

DevOps and security teams can benefit from this automation to ensure consistent and secure server setup

Key Insight

💡 Automating server hardening with a script can save time and reduce the risk of human error

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🚀 Automate Linux server hardening with a script! 🚀
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