Results for “os”
Small, practical examples. Search by task or narrow things down below.
Save and reload an image archive
Docker / Compose: save preserves image metadata and tags for later loading.
Docker / Compose✓ Tested
Search for a literal LIKE wildcard
Postgres: Declare an escape character so a percent sign in the pattern is literal.
Postgres✓ Tested
Select the top row in each group with a tie-breaker
Postgres: Filter an outer query on ROW_NUMBER because window functions are not evaluated in WHERE.
Postgres✓ Tested
Select values in an inclusive range
Postgres: BETWEEN includes both endpoints of the range.
Postgres✓ Tested
Send text into a container through stdin
Docker / Compose: Send text into a container through stdin using a locally available Ubuntu image.
Docker / Compose✓ Tested
Separate an executable from default arguments
Docker / Compose: Separate an executable from default arguments with a complete introductory Dockerfile.
Docker / Compose✓ Tested
Set a container’s working directory
Docker / Compose: Set a container’s working directory using a locally available Ubuntu image.
Docker / Compose✓ Tested
Set a default non-root image user
Docker / Compose: Set a default non-root image user with a complete introductory Dockerfile.
Docker / Compose✓ Tested
Set a service’s open-file limit
Docker / Compose: The ulimits mapping defines soft and hard resource limits.
Docker / Compose✓ Tested
Set a service’s working directory
Docker / Compose: Set a service’s working directory in a small Compose file.
Docker / Compose✓ Tested
Set and inspect a fractional CPU limit
Docker / Compose: The cpus option records a limit in units of one billion NanoCPUs.
Docker / Compose✓ Tested
Set copied files’ numeric ownership
Docker / Compose: COPY --chown sets ownership while adding the file.
Docker / Compose✓ Tested