I will troubleshoot linux web server apache, nginx, dns, mail, ssh, ssl, custom stack

Are you facing issues with your Linux-based web server? Whether it's slow performance, configuration errors, or critical security vulnerabilities, Im here to help! With extensive experience in server management and troubleshooting, I offer comprehensive support for your web server environment.

Heres how I can assist you:

1. Apache & Nginx Troubleshooting:

• Fix configuration issues and improve performance
• Resolve server errors, including 500, 502, 503, etc.
• Ensure correct URL rewrites, redirects, and error handling
• Optimize server for better speed and reliability

2. DNS Issues:

• Investigate and resolve DNS resolution problems
• Ensure proper DNS record configuration (A, CNAME, MX, etc.)
• Help you set up subdomains, domain forwarding, and reverse DNS

3. SMTP Troubleshooting:

• Fix email delivery issues and ensure proper SMTP server setup
• Troubleshoot and resolve mail server errors (e.g., 554, 421, etc.)
• Implement secure email authentication (SPF, DKIM, DMARC)
• Optimize email sending for deliverability

4. SSH Connectivity Issues:

• Resolve SSH connection errors
• Configure SSH keys for secure, password-less logins
• Troubleshoot permissions and firewall restrictions
• Enable secure tunneling and port