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 Feb 13, 2026
#31

Hosting 101 for Small Businesses

Why local hosting in Nepal matters for SEO and speed.

READ_INSIGHT
SSL Certificate Lifecycle Feb 11, 2026
#32

SSL Certificate Lifecycle

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

READ_INSIGHT
PHP-FPM Optimization Feb 09, 2026
#33

PHP-FPM Optimization

Fine-tuning process managers for maximum performance.

READ_INSIGHT
MySQL Database Tuning Feb 07, 2026
#34

MySQL Database Tuning

Optimization strategies for large ISP billing databases.

READ_INSIGHT
DDoS Mitigation Strategies Feb 05, 2026
#35

DDoS Mitigation Strategies

Protecting web assets from volumetric and application-layer attacks.

READ_INSIGHT
Web Application Firewalls (WAF) Feb 03, 2026
#36

Web Application Firewalls (WAF)

Implementing ModSecurity to block common web exploits.

READ_INSIGHT