Common Issues

Find solutions to frequently encountered problems and learn how to troubleshoot your VPS effectively.

Connection Issues

SSH Connection Problems

Common Causes

  • • Incorrect SSH key permissions
  • • Firewall blocking port 22
  • • Wrong username or hostname
  • • SSH service not running

Solutions

# Check SSH key permissions
chmod 600 ~/.ssh/id_rsa
chmod 644 ~/.ssh/id_rsa.pub

# Verify SSH service status
sudo systemctl status sshd

# Check firewall rules
sudo ufw status

Performance Issues

High CPU Usage

Diagnosis

# Check top processes
top

# Process tree with CPU usage
ps auxf

# System resource usage
vmstat 1

Memory Issues

Common Solutions

  • • Clear system cache
  • • Optimize application memory usage
  • • Adjust swap settings
  • • Monitor memory leaks

Storage Issues

Disk Space

Check Disk Usage

# Check disk space
df -h

# Find large files
du -sh /* | sort -hr

# Clean package cache
sudo apt clean

Inode Usage

Solutions

  • • Remove temporary files
  • • Clean old log files
  • • Check for small files
  • • Monitor file count

Still Need Help?

If you're still experiencing issues, our support team is here to help.

Contact SupportView Performance Guide