Delete Docker Container

A container named kke-container was created by one of the Nautilus project developers on App Server 2. It was solely for testing purposes and now requires deletion. Execute the following task:

Delete the kke-container on App Server 2 in Stratos DC.

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Step-by-Step Instructions

1. SSH into Application Server 2

ssh steve@stapp02

(Enter the password when prompted)

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2. Switch to root or use sudo

sudo su -

or prefix all commands with sudo

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3. Check if the container exists

First, verify the container exists and check its status:

sudo docker ps -a | grep kke-container

Or to see all containers:

sudo docker ps -a

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4. Stop the container (if it's running)

If the container is running, stop it first:

sudo docker stop kke-container

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5. Delete/Remove the container

sudo docker rm kke-container

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6. Verify the container is deleted

sudo docker ps -a | grep kke-container

This should return no results, confirming the container has been removed.

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One-Line Command (Force Remove)

If you want to remove it in one command (even if running):

sudo docker rm -f kke-container

The -f flag forces removal of a running container.

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Complete Execution

# SSH to App Server 2
ssh steve@stapp02

# Check existing containers
sudo docker ps -a

# Remove the container
sudo docker rm -f kke-container

# Verify deletion
sudo docker ps -a

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Important Notes

• Use docker rm for containers (not docker rmi, which removes images)
• The -f flag is useful if the container is still running
• If you get a "No such container" error, the container may already be deleted