Rajesh Raj Pathak System Administrator
Knowledge Sharing

Technical Insights & Experience

Practical notes, specialized ISP guides, and system administration reflections gathered over two decades of operation.

Hosting 101 for Small Businesses May 29, 2026
#31

Hosting 101 for Small Businesses

Why local hosting in Nepal matters for SEO and speed.

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SSL Certificate Lifecycle May 27, 2026
#32

SSL Certificate Lifecycle

Managing Let's Encrypt renewals at scale across 100+ domains.

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PHP-FPM Optimization May 25, 2026
#33

PHP-FPM Optimization

Fine-tuning process managers for maximum performance.

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MySQL Database Tuning May 23, 2026
#34

MySQL Database Tuning

Optimization strategies for large ISP billing databases.

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DDoS Mitigation Strategies May 21, 2026
#35

DDoS Mitigation Strategies

Protecting web assets from volumetric and application-layer attacks.

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Web Application Firewalls (WAF) May 19, 2026
#36

Web Application Firewalls (WAF)

Implementing ModSecurity to block common web exploits.

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