Update Kubernetes

Kubernetes.md

@@ -156,7 +156,11 @@ you can check what ip address the service is exposed on with:
 kubectl get -n ingress-nginx get services
 ```
 You can create a wildcard record pointing to that address to make exposing services easier.
+for example 
 
+*.my.cluster.com
+
+# Storage configuration
 # Longhorn
 
 Longhorn is a system that manages permanent storage inside your kubernetes cluster.
@@ -166,6 +170,11 @@ On each storage node in your cluster you must install:
 apt-get install open-iscsi nfs-common
 ``` 
 
+by default longhorn stores data on each node in a directory, so you can mount your storage drives there
+```
+/var/lib/longhorn/
+```
+
 before installing Longhorn itself
 ```
 kubectl apply -f https://raw.githubusercontent.com/longhorn/longhorn/v1.6.1/deploy/longhorn.yaml