From f85b8698132d919127358576bdcca6c30ad99333 Mon Sep 17 00:00:00 2001
From: Jimmy Song <rootsongjc@gmail.com>
Date: Sat, 16 Dec 2017 10:48:23 +0800
Subject: [PATCH] install conntrack-tools

---
 practice/node-installation.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/practice/node-installation.md b/practice/node-installation.md
index 19599fb94..a8aa8f4f9 100644
--- a/practice/node-installation.md
+++ b/practice/node-installation.md
@@ -345,6 +345,12 @@ $ ls -l /etc/kubernetes/ssl/kubelet*
 
 ## 配置 kube-proxy
 
+**安装conntrack**
+
+```bash
+yum install -y conntrack-tools
+```
+
 **创建 kube-proxy 的service配置文件**
 
 文件路径`/usr/lib/systemd/system/kube-proxy.service`。