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Containers · Docker and Kubernetes

docker exec — Save output

Save standard output and errors to a text file. Base task: Run a command inside a container.

Copy-ready commanddocker exec — Save output
docker exec -it web01 /bin/sh > command-results.txt 2>&1

Requirements and permissions

Requirements
Docker Engine, Docker Compose, or kubectl
Permissions
Container or cluster permissions vary
Last reviewed
2026-08-01

Examples

Save output

Save standard output and errors to a text file.

docker exec -it web01 /bin/sh > command-results.txt 2>&1

Common errors

Command or option not supported

Confirm the installed platform version supports the base command and the added output or wrapper option.

Access denied or insufficient privileges

Run with the administrative role or delegated permission required by the underlying command.