Docker - Security
When executing
docker scan myapp results in a 'permission denied' error, what is the most probable cause?When executing docker scan myapp results in a 'permission denied' error, what is the most probable cause?
medium📝 Troubleshoot Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Analyze the error message
'Permission denied' indicates an access control issue.Step 2: Identify scan requirements
Docker scan requires user authentication or proper permissions.Step 3: Rule out other options
Daemon not running or missing image would cause different errors; syntax errors affect build, not scan.Final Answer:
The user lacks proper authentication or authorization to perform the scan -> Option BQuick Check:
Permission errors usually mean authentication issues [OK]
Quick Trick: Permission errors usually mean authentication issues [OK]
Common Mistakes:
- Assuming the Docker daemon is stopped
- Thinking the image absence causes permission errors
- Confusing build errors with scan errors
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