Update README.md

README.md

@@ -53,7 +53,9 @@ Use code with caution.
   $ vi /etc/chrony/chrony.conf 
     #pool pool.ntp.org iburst
     server 192.168.122.1 iburst
-  $ /etc/init.d/chronyd start|restart  
+  $ rc-update add chronyd default
+  $ rc-service chronyd start
+  $ rc-service chronyd status
   ```
 
   **verify**
@@ -101,5 +103,31 @@ $ apk add iptables
 $ curl -sfL https://get.k3s.io | sh -
 ```
 
+**install k3s on agent/worker node**
+```
+curl -sfL https://get.k3s.io | K3S_URL=https://192.168.122.51:6443 K3S_TOKEN=K10514e27dc751663b798dd9ef0adcb26f68766bebcb2dc1b2af9a669b0595b4373::server:ea26f9838b3a4c3f1089497005ca2a2b sh -
+```
 
-
+## Step 5: NFS  
+install nfs on ubuntu 
+export the folder
+**install nfs client on k3s server and agent node**
+```
+apk update
+apk add nfs-utils
+rc-update add nfsmount
+rc-service nfsmount start
+```
+**install helm**  
+ref: https://helm.sh/docs/intro/install/
+```
+helm repo add nfs-subdir-external-provisioner https://kubernetes-sigs.github.io/nfs-subdir-external-provisioner/
+helm repo update 
+helm install nfs-subdir-external-provisioner nfs-subdir-external-provisioner/nfs-subdir-external-provisioner \
+    --create-namespace \
+    --namespace nfs-provisioner \
+    --set nfs.server=192.168.122.1 \
+    --set nfs.path=/data/persist \
+    --set storageClass.name=nfs-client \
+    --set storageClass.defaultClass=true
+```