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.

Bandwidth Management Techniques May 13, 2026
#07

Bandwidth Management Techniques

Ensuring fair usage and high-speed delivery during peak hours.

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Network Monitoring at Scale May 11, 2026
#08

Network Monitoring at Scale

Using Zabbix and Prometheus for real-time ISP health checks.

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Outdoor Infrastructure Protection May 09, 2026
#09

Outdoor Infrastructure Protection

Shielding cabinet equipment from dust and monsoon rain.

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Wireless PTP Links May 07, 2026
#10

Wireless PTP Links

Extending network reach to remote Kathmandu outskirts via high-gain radio.

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DNS Server Optimization May 05, 2026
#11

DNS Server Optimization

Reducing latency by deploying local recursive DNS resolvers.

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L2 vs L3 ISP Architectures May 03, 2026
#12

L2 vs L3 ISP Architectures

Choosing the right backbone structure for rapid expansion.

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