How to Secure a Linux Server and Which Provider to Choose
by Marco Vavassori
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📚 Main Topics
Introduction to Self-Hosting
- Overview of the video series focused on self-hosting applications.
- Emphasis on avoiding vendor lock-in from platforms like Netlify and Vercel.
Application Overview
- The application being self-hosted is a Markdown blog that converts Markdown files to HTML.
Choosing a Cloud Provider
- Comparison of cloud providers: AWS, GCP, Azure, and a more cost-effective option, Etser.
- Example pricing comparison between AWS EC2 and Etser.
Setting Up the VPS
- Steps to generate an SSH key pair for secure access.
- Choosing a server location and instance type (Docker-ready Ubuntu instance).
Securing the VPS
- Updating and upgrading the server after creation.
- Creating a new user and configuring SSH access.
- Modifying SSHD configuration to enhance security (disabling root login and password authentication).
- Setting up a firewall (UFW) to restrict access to essential ports (SSH, HTTP, HTTPS).
✨ Key Takeaways
- Cost-EffectivenessChoosing the right provider can significantly reduce hosting costs.
- Security Best Practices
- Always create a new user for SSH access instead of using the root account.
- Disable password authentication to prevent unauthorized access.
- Use a firewall to limit open ports to only those necessary for the application.
🧠 Lessons Learned
- Self-hosting can be a more flexible and cost-effective solution compared to managed platforms.
- Understanding server security is crucial to protect against potential threats.
- Proper configuration and management of a VPS can lead to a successful self-hosting experience.
Feel free to share any additional security tips in the comments!