Update motd

dockerfiles/k8s/Dockerfile

@@ -32,5 +32,5 @@ RUN mkdir -p /root/.kube && ln -s /etc/kubernetes/admin.conf /root/.kube/config
 
 WORKDIR /root
 
-CMD systemctl start docker && systemctl start kubelet \
+CMD mount --make-shared / && systemctl start docker && systemctl start kubelet \
     && while true; do bash -l; done

dockerfiles/k8s/motd

@@ -20,7 +20,7 @@
 
  3. (Optional) Create an nginx deployment:
 
- kubectl apply -f https://k8s.io/docs/user-guide//nginx-app.yaml
+ kubectl apply -f https://raw.githubusercontent.com/kubernetes/website/master/cn/docs/user-guide/nginx-app.yaml
 
 
                           The PWK team.