Viewing container logs in Docker - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the command to view logs of a container named 'webapp'.

Docker

docker logs [1]

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

Awebapp

Brun

Cstart

Dbuild

Attempts:

3 left

💡 Hint

Common Mistakes

Using commands like 'run' or 'start' instead of the container name.

Forgetting to specify the container name.

The docker logs command followed by the container name shows the logs of that container.

2fill in blank

medium

Complete the command to follow the logs of a container named 'dbserver' in real-time.

Docker

docker logs [1] dbserver

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

A-f

Brun

C--tail

D--help

Attempts:

3 left

💡 Hint

Common Mistakes

Using '--tail' instead of '-f' to follow logs.

Using 'run' which starts a container instead of viewing logs.

The -f option makes docker logs follow the log output in real-time.

3fill in blank

hard

Fix the error in the command to show the last 50 lines of logs for container 'api'.

Docker

docker logs --tail=[1] api

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

A100

Bnone

Call

D50

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'all' or 'none' which are invalid values for --tail.

Using a number other than 50 when the question asks for 50 lines.

The --tail option expects a number indicating how many lines to show. Here, 50 is correct.

4fill in blank

hard

Fill both blanks to limit logs to last 20 lines and follow new logs for container 'cache'.

Docker

docker logs [1] 20 [2] cache

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

A--tail

B-f

C--follow

D--since

Attempts:

3 left

💡 Hint

Common Mistakes

Using --since instead of -f to follow logs.

Mixing up the order of options.

Use --tail 20 to show last 20 lines and -f to follow logs live.

5fill in blank

hard

Fill all three blanks to show logs since 10 minutes ago, limit to 100 lines, and follow logs for container 'frontend'.

Docker

docker logs [1] 10m [2] 100 [3] frontend

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

A--since

B--tail

C-f

D--timestamps

Attempts:

3 left

💡 Hint

Common Mistakes

Using --timestamps instead of -f to follow logs.

Mixing up the order of options or missing one.

--since 10m shows logs from last 10 minutes, --tail 100 limits to 100 lines, and -f follows logs live.