Opening a shell in container in Docker - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the command to open an interactive shell inside a running Docker container named 'myapp'.

Docker

docker exec -it myapp [1]

Drag options to blanks, or click blank then click option'

Arun

Bstop

Cstart

D/bin/bash

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'run' instead of a shell path.

Trying to start or stop the container instead of opening a shell.

The /bin/bash option opens a bash shell inside the container.

2fill in blank

medium

Complete the command to open a shell in a container with ID 'abc123' using sh shell.

Docker

docker exec -it abc123 [1]

Drag options to blanks, or click blank then click option'

A/bin/bash

Bbash

C/bin/sh

Dsh

Attempts:

3 left

💡 Hint

Common Mistakes

Using just 'sh' without the full path.

Using bash when it might not be installed.

The /bin/sh is a lightweight shell available in many containers.

3fill in blank

hard

Fix the error in the command to open a shell in container 'webapp'.

Docker

docker exec -it [1] /bin/bash

Drag options to blanks, or click blank then click option'

Awebapp

B-webapp

Cwebapp/

Dweb app

Attempts:

3 left

💡 Hint

Common Mistakes

Adding dashes or slashes to the container name.

Using spaces in the container name.

The container name should be exactly 'webapp' without extra characters or spaces.

4fill in blank

hard

Fill both blanks to open a shell in container 'db' and keep the session interactive.

Docker

docker [1] -it [2] /bin/bash

Drag options to blanks, or click blank then click option'

Aexec

Brun

Cdb

Dstart

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'run' which starts a new container instead of exec.

Using 'start' which does not open a shell.

docker exec runs a command in a running container, and db is the container name.

5fill in blank

hard

Fill all three blanks to open an interactive shell in container 'app1' using sh shell.

Docker

docker [1] [2] app1 [3]

Drag options to blanks, or click blank then click option'

Aexec

B-it

C/bin/sh

Drun

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'run' instead of 'exec'.

Forgetting the '-it' flags.

Using shell name without full path.

docker exec -it app1 /bin/sh opens an interactive shell inside the running container named 'app1'.