From b35b83470012dd4a671b437a58c6e2619afad03d Mon Sep 17 00:00:00 2001
From: Jimmy Song <rootsongjc@gmail.com>
Date: Thu, 4 May 2017 10:15:28 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E9=87=8D=E6=96=B0=E6=B7=BB?=
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---
 06-部署node节点.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/06-部署node节点.md b/06-部署node节点.md
index 3433c6e5a..62741028e 100644
--- a/06-部署node节点.md
+++ b/06-部署node节点.md
@@ -329,6 +329,8 @@ $ ls -l /etc/kubernetes/ssl/kubelet*
 -rw------- 1 root root 1675 Apr  7 02:07 /etc/kubernetes/ssl/kubelet.key
 ```
 
+注意：假如你更新kubernetes的证书，只要没有更新`token.csv`，当重启kubelet后，该node就会自动加入到kuberentes集群中，而不会重新发送`certificaterequest`，也不需要在master节点上执行`kubectl certificate approve`操作。前提是不要删除node节点上的`/etc/kubernetes/ssl/kubelet*`和`/etc/kubernetes/kubelet.kubeconfig`文件。否则kubelet启动时会提示找不到证书而失败。
+
 ## 配置 kube-proxy
 
 **创建 kube-proxy 的service配置文件**