If you ask yourself how would I remember writing all of that? no worries, you can simply run `kubectl run some_pod --image=redis -o yaml --dry-run=client > pod.yaml`. If you ask yourself "how am I supposed to remember this long command" time to change attitude ;)
<summary>Run the following command: <code>kubectl run ohno --image=sheris</code>. Did it work? why not? fix it without removing the Pod and using any image you want</summary><br><b>
Because there is no such image `sheris`. At least for now :)
To fix it, run `kubectl edit ohno` and modify the following line `- image: sheris` to `- image: redis` or any other image you prefer.
<summary>How to check how many replicasets defined in the current namespace?</summary><br><b>
`k get rs`
</b></details>
<details>
<summary>You have a replica set defined to run 3 Pods. You removed one of these 3 pods. What will happen next? how many Pods will there be?</summary><br><b>
There will still be 3 Pods running theoretically because the goal of the replica set is to ensure that. so if you delete one or more Pods, it will run additional Pods so there are always 3 Pods.
</b></details>
<details>
<summary>How to check which container image was used as part of replica set called "repli"?</summary><br><b>
`k describe rs repli | grep -i image`
</b></details>
<details>
<summary>How to check how many Pods are ready as part of a replica set called "repli"?</summary><br><b>
`k describe rs repli | grep -i "Pods Status"`
</b></details>
<details>
<summary>How to delete a replica set called "rori"?</summary><br><b>
`k delete rs rori`
</b></details>
<details>
<summary>How to modify a replica set called "rori" to use a different image?</summary><br><b>
`k edis rs rori`
</b></details>
<details>
<summary>Scale up a replica set called "rori" to run 5 Pods instead of 2</summary><br><b>
`k scale rs rori --replicas=5`
</b></details>
<details>
<summary>Scale down a replica set called "rori" to run 1 Pod instead of 5</summary><br><b>
`k scale rs rori --replicas=1`
</b></details>
### Troubleshooting ReplicaSets
<details>
<summary>Fix the following ReplicaSet definition
```yaml
apiVersion: apps/v1
kind: ReplicaCet
metadata:
name: redis
labels:
app: redis
tier: cache
spec:
selector:
matchLabels:
tier: cache
template:
metadata:
labels:
tier: cachy
spec:
containers:
- name: redis
image: redis
```
</summary><br><b>
kind should be ReplicaSet and not ReplicaCet :)
</b></details>
<details>
<summary>Fix the following ReplicaSet definition
```yaml
apiVersion: apps/v1
kind: ReplicaSet
metadata:
name: redis
labels:
app: redis
tier: cache
spec:
selector:
matchLabels:
tier: cache
template:
metadata:
labels:
tier: cachy
spec:
containers:
- name: redis
image: redis
```
</summary><br><b>
The selector doesn't match the label (cache vs cachy). To solve it, fix cachy so it's cache instead.
</b></details>
## Deployments
<details>
<summary>How to list all the deployments in the current namespace?</summary><br><b>
`k get deploy`
</b></details>
<details>
<summary>How to check which image a certain Deployment is using?</summary><br><b>
