[CONTRIBUTION] Helping the Community: Secure your VPS for Crypto Nodes
Safety & Quality standards applied to your server
Hello everyone,
As a Master's student in
Quality, Safety, and Environment (MQSE), I spend my days studying risk prevention and system reliability. I've noticed many newcomers in the crypto space launching VPS (like Azure or AWS) for their nodes or wallets without basic security, which is a major risk.
I want to give back to this community by offering my help to anyone who needs to "harden" their Linux server.
What I can do for you (Free of charge):- Review your firewall settings (UFW).
- Set up Fail2Ban to stop brute-force attacks on your SSH port.
- Guide you on how to disable password login and use SSH Keys instead.
- Optimize your small VPS instances (like Azure B1s) to prevent crashes.
Open Source Script for the Community:I've prepared this small script to automate basic security. Feel free to use it or ask me questions about how it works:
sudo apt update && sudo apt upgrade -y
sudo apt install ufw fail2ban -y
sudo ufw allow 22/tcp
sudo ufw default deny incoming
sudo ufw --force enable
sudo systemctl enable fail2ban
Why am I doing this?I am passionate about
system safety. Whether it's a workplace (QHSE) or a digital server, prevention is better than cure. I have some free time and a student Azure account to run tests, so if you are struggling with Linux commands or security, just ask here!
No payment needed, no strings attached. Just here to help and learn together.Security Warning: Never share your private keys or passwords. I will only provide commands or guidance.

Best regards,