All posts/tagged
#networking
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Networking Under the Hood: Diagnosing Latency and Packet Drops in the Linux Kernel
Tracing a packet's journey through the Linux kernel: ss, nstat, ethtool, tcpdump beyond the basics, and eBPF drop-reason tracing — plus a full walkthrough of a silent accept-queue overflow incident.
·19 min read
Under the Hood: What Actually Happens in a TLS Handshake?
A DevOps deep-dive into the TLS handshake: ClientHello, Chain of Trust, Diffie-Hellman, mTLS, TLS 1.3 0-RTT, and how to debug handshake failures in production.
·3 min read