How do you run a pod with a specific image in Kubernetes?

How do you run a pod with a specific image in Kubernetes?

• A. kubectl run nginx --image=nginx
• B. kubectl create pod nginx --image=nginx
• C. kubectl start nginx --image=nginx
• D. kubectl run --image=nginx nginx

Answer: (A)

Creating a Pod with a specific image in Kubernetes is done by giving the Pod a name and pairing it with the image you want to run, using the pattern NAME --image=IMAGE. The command shown uses that exact form: it names the Pod nginx and sets the image to nginx, which starts a Pod with that container image. In many Kubernetes versions, kubectl run actually creates a Deployment by default, so to create a Pod directly you would add --restart=Never, which is a helpful nuance to know for newer clusters. The other options don’t fit because they use an unsupported or nonstandard command path for creating a Pod (there's no kubectl start, and kubectl create pod isn’t the typical invocation; the ordering of arguments is also less conventional).

Creating a Pod with a specific image in Kubernetes is done by giving the Pod a name and pairing it with the image you want to run, using the pattern NAME --image=IMAGE. The command shown uses that exact form: it names the Pod nginx and sets the image to nginx, which starts a Pod with that container image. In many Kubernetes versions, kubectl run actually creates a Deployment by default, so to create a Pod directly you would add --restart=Never, which is a helpful nuance to know for newer clusters. The other options don’t fit because they use an unsupported or nonstandard command path for creating a Pod (there's no kubectl start, and kubectl create pod isn’t the typical invocation; the ordering of arguments is also less conventional).