https://blog.mygraphql.com/en/tags/ss/ Recent content in Ss on Mark Zhu's Blog Hugo -- gohugo.io en labile.zhu@gmail.com (Mark Zhu) labile.zhu@gmail.com (Mark Zhu) Mark Zhu ©2026, All Rights Reserved Sun, 10 Sep 2023 01:12:15 +0800 https://blog.mygraphql.com/en/notes/low-tec/network/tcp-inspect/ Sun, 10 Sep 2023 01:12:15 +0800 labile.zhu@gmail.com (Mark Zhu) Sun, 10 Sep 2023 01:12:15 +0800 https://blog.mygraphql.com/en/notes/low-tec/network/tcp-inspect/ <p><img src="https://blog.mygraphql.com/en/notes/low-tec/network/tcp-inspect/index.assets/image-20220801231018488.png" alt="image-20220801231018488"></p> <h2 id="introduction">Introduction</h2> <p>Understanding metrics from Linux ss command output.</p> <p>I am not a network expert, but after years of troubleshooting network problems in production and test environments, I no longer want to muddle through, so I record what I have learned. Due to limited understanding of TCP stack implementation, the content is for reference only.</p> <p><code>ss</code> is a perfect tool to inspect TCP connection level statistics. But it is not well-documented. This article tries to explain the output of <code>ss</code> and how to read the metrics from the <code>ss</code> output.</p> Mark Zhu kernel TCP socket ss