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Linux Server Security Development Tutorials, Guides & Insights

Unlock 3+ expert-curated linux server security tutorials, real-world code snippets, and modern dev strategies. From fundamentals to advanced topics, boost your linux server security skills on DeveloperBreeze.

Building a Secure SSH Configuration for Remote Access

Tutorial August 19, 2024
bash 

   echo 'echo "SSH login attempt on $(hostname) from $(who | awk '{print $5}')" | mail -s "SSH Login Alert" youremail@example.com' >> ~/.bashrc

Securing SSH is critical for protecting your Linux servers from unauthorized access and potential attacks. By following the steps outlined in this tutorial, you can create a robust SSH configuration that ensures secure remote access. Regularly review and update your SSH settings to maintain security as your environment evolves.

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Creating and Managing a Linux Firewall with `iptables` and `firewalld`

Tutorial August 19, 2024
bash

  • View Current Rules:
   sudo iptables -L -v -n

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Securing Your Linux Server: Best Practices and Tools

Tutorial August 19, 2024
bash

  • Install Fail2Ban:
   sudo apt-get install fail2ban

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