Add Circle CI questions

In addition to a couple of k8s questions.

topics/kubernetes/exercises/taints_101/exercise.md

@@ -6,12 +6,8 @@
 2. Create a taint on one of the nodes in your cluster with key of "app" and value of "web" and effect of "NoSchedule"
    1. Explain what it does exactly
    2. Verify it was applied
+3. Run a Pod that will be able to run on the node on which you applied the taint
 
 ## Solution
 
-Click [here](solution.md) to view the solution.
-
-1. `kubectl describe no minikube | grep -i taints`
-2. `kubectl taint node minikube app=web:NoSchedule`
-   1. Any resource with "app=web" key value will not be scheduled on node `minikube`
-   2. `kubectl describe no minikube | grep -i taints`
+Click [here](solution.md) to view the solution.

topics/kubernetes/exercises/taints_101/solution.md

@@ -0,0 +1,30 @@
+# Taints 101
+
+## Objectives
+
+1. Check if one of the nodes in the cluster has taints (doesn't matter which node)
+2. Create a taint on one of the nodes in your cluster with key of "app" and value of "web" and effect of "NoSchedule"
+   1. Explain what it does exactly
+   2. Verify it was applied
+
+## Solution
+
+1. `kubectl describe no minikube | grep -i taints`
+2. `kubectl taint node minikube app=web:NoSchedule`
+   1. Any resource with "app=web" key value will not be scheduled on node `minikube`
+   2. `kubectl describe no minikube | grep -i taints`
+3. 
+
+```
+kubectl run some-pod --image=redis
+kubectl edit po some-pod
+```
+
+```
+ - effect: NoSchedule
+    key: app
+    operator: Equal
+    value: web
+```
+
+Save and exit. The Pod should be running.