Server Management (DigitalOcean)

When to use this skill

• Provisioning a new DigitalOcean Droplet.
• Configuring Nginx or UFW.
• Troubleshooting Linux server issues.

1. Initial Setup

• User: Create a non-root user with sudo privileges immediately.
• SSH: Disable password login (PermitRootLogin no, PasswordAuthentication no). Use SSH keys.

2. Security

• Firewall (UFW):

  ufw allow OpenSSH
  ufw allow 'Nginx Full'
  ufw enable
  

• Fail2Ban: Install to prevent brute force attacks.