Update 部署产品.md

部署产品.md

-1. 安装阿里云k8s yum源（全部机器）
+1. 安装阿里云k8s yum源（全部机器）
@@ -9,13 +9,16 @@ gpgcheck=0
 repo_gpgcheck=0
 gpgkey=http://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg http://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
 EOF
-
+```
+```
 # Set SELinux in permissive mode (effectively disabling it)
 setenforce 0
 sed -i 's/^SELINUX=enforcing$/SELINUX=permissive/' /etc/selinux/config
-
+```
+```
 yum install -y kubelet kubeadm kubectl --disableexcludes=kubernetes
-
+```
+```
 systemctl enable --now kubelet
 ```
 2. 调整kernel参数（二层的网桥在转发包时也会被iptables的FORWARD规则所过滤）（全部机器）