Results for “command”
Small, practical examples. Search by task or narrow things down below.
Remove one network attachment
Docker / Compose: network disconnect removes the specified attachment while retaining the container.
Docker / Compose✓ Tested
Remove one tag while retaining another reference
Docker / Compose: Removing a tag does not delete an image still referenced by another tag.
Docker / Compose✓ Tested
Rename a container without recreating it
Docker / Compose: rename updates the container name while preserving its identity.
Docker / Compose✓ Tested
Replace text with sed
Replace all occurrences of the substring old on each line and print the transformed text without changing the input file.
sed✓ Tested
Require a locally available image
Docker / Compose: The never pull policy fails for missing images instead of attempting a download.
Docker / Compose✓ Tested
Resolve a peer’s name on a user-defined network
Docker / Compose: The embedded DNS service resolves names on user-defined bridges.
Docker / Compose✓ Tested
Restart an existing container
Docker / Compose: restart starts the same container again while retaining its writable layer.
Docker / Compose✓ Tested
Retrieve a file from a stopped container
Docker / Compose: The writable layer remains available for docker cp after exit.
Docker / Compose✓ Tested
Return a value through a named output variable
Bash Scripts: A Bash nameref can update a caller-supplied variable without command substitution.
Bash Scripts✓ Tested
Run a Compose service as a non-root user
Docker / Compose: user overrides the image’s default identity.
Docker / Compose✓ Tested
Run a Compose service as a numeric user
Docker / Compose: Run a Compose service as a numeric user in a small Compose file.
Docker / Compose✓ Tested
Run a one-off container
Run a command and remove its stopped container automatically.
run✓ Tested