Improve DMUC slides

slides/k8s/dmuc.md

@@ -481,13 +481,13 @@ docker run alpine echo hello world
 
 .exercise[
 
-- Create the file `kubeconfig.kubelet` with `kubectl`:
+- Create the file `~/.kube/config` with `kubectl`:
   ```bash
-    kubectl --kubeconfig kubeconfig.kubelet config \
+    kubectl config \
             set-cluster localhost --server http://localhost:8080
-    kubectl --kubeconfig kubeconfig.kubelet config \
+    kubectl config \
             set-context localhost --cluster localhost
-    kubectl --kubeconfig kubeconfig.kubelet config \
+    kubectl config \
             use-context localhost
   ```
 
@@ -495,19 +495,7 @@ docker run alpine echo hello world
 
 ---
 
-## All Kubernetes clients can use `kubeconfig`
-
-- The `kubeconfig.kubelet` file has the same format as e.g. `~/.kubeconfig`
-
-- All Kubernetes clients can use a similar file
-
-- The `kubectl config` commands can be used to manipulate these files
-
-- This highlights that kubelet is a "normal" client of the API server
-
----
-
-## Our `kubeconfig.kubelet` file
+## Our `~/.kube/config` file
 
 The file that we generated looks like the one below.
 
@@ -533,9 +521,9 @@ clusters:
 
 .exercise[
 
-- Start kubelet with that `kubeconfig.kubelet` file:
+- Start kubelet with that kubeconfig file:
   ```bash
-  kubelet --kubeconfig kubeconfig.kubelet
+  kubelet --kubeconfig ~/.kube/config
   ```
 
 ]

slides/k8s/multinode.md

@@ -218,6 +218,18 @@ class: extra-details
 
 ## What's going on?
 
+- Without the `--network-plugin` flag, kubelet defaults to "no-op" networking
+
+- It lets the container engine use a default network
+
+  (in that case, we end up with the default Docker bridge)
+
+- Our pods are running on independent, disconnected, host-local networks
+
+---
+
+## What do we need to do?
+
 - On a normal cluster, kubelet is configured to set up pod networking with CNI plugins
 
 - This requires:
@@ -228,14 +240,6 @@ class: extra-details
 
   - running kubelet with `--network-plugin=cni`
 
-- Without the `--network-plugin` flag, kubelet defaults to "no-op" networking
-
-- It lets the container engine use a default network
-
-  (in that case, we end up with the default Docker bridge)
-
-- Our pods are running on independent, disconnected, host-local networks
-
 ---
 
 ## Using network plugins