Shulou(Shulou.com)06/01 Report--

preface

linux processes communication between the same node or different nodes of the process communication, its bottom socket socket, through netstat can be real-time analysis of various protocols tcp,unix and other running status and related information. A thorough understanding of the basic concepts of linux socket operation mechanism can further enhance the ability to diagnose mysql process communication failures.

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directory

netstat output results summary

netstat tcp protocol state meaning

netstat tcp protocol state flow diagram

netstat unix protocol state meaning

supplementary matters

netstat output results summary

TCP and UDP protocols

unix protocol

netstat tcp protocol state meaning

State has 12 values.

state is based on a 3-way handshake for building tcp connections and a 4-way handshake for breaking tcp connections

Meaning of State

netstat tcp protocol state flow diagram

netstat unix protocol state meaning supplement

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