Sulabh Biswas / Blog

Deep dives into Linux networking and Go

Getting Started with eBPF

A beginner's guide to extended Berkeley Packet Filter

Learn the basics of eBPF technology and how to write your first eBPF program for Linux kernel monitoring and networking.

Posted by Sulabh Biswas on Sunday, February 8, 2026

Monitoring TCP Retransmissions with eBPF

Using kprobes to track kernel-level network health

Learn how to use eBPF and kprobes to monitor TCP retransmissions and track kernel-level network health in real-time.

Posted by Sulabh Biswas on Sunday, February 8, 2026

Debugging eBPF Maps in Production

A look at why your XDP program isn't dropping packets

Learn how to debug eBPF maps in production environments and troubleshoot common XDP program issues.

Posted by Sulabh Biswas on Saturday, February 7, 2026