Latest / Linux Server Admin with Fexingo: Sysadmin, Bash, and Server Engineering
How to Use Linux Server BPF Tools for Network Diagnostics
In this episode of Linux Server Admin with Fexingo, Lucas and Luna dive into the practical side of BPF (Berkeley Packet Filter) tools for network diagnostics on Linux servers. They walk through real-world scenarios where tcpdump and bpftrace are your best friends — from tracing slow DNS queries to spotting packet drops before they become outages. You'll learn how to use bpftrace one-liners to count TCP retransmissions, trace connect() calls, and even measure latency across your stack. The hosts also discuss when to reach for classic tools versus BPF-powered ones, and how to avoid the…
The skinny
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