Results for “Bulk changes & set operations”
Small, practical examples. Search by task or narrow things down below.
Pass a named configuration value
Docker / Compose: Pass a named configuration value using a locally available Ubuntu image.
Docker / Compose✓ Tested
Pass a variable to one command
Linux Commands: Use env to supply a child process value without setting it permanently in the parent shell.
Linux Commands✓ Tested
Pass an environment variable
Supply configuration without changing an image.
environment✓ Tested
Pass dollar expressions through Compose
Docker / Compose: Double dollar signs defer expansion to the container shell.
Docker / Compose✓ Tested
Pipe input into a container process
Docker / Compose: The interactive flag keeps standard input open without allocating a terminal.
Docker / Compose✓ Tested
Prepare an owned directory before dropping root
Docker / Compose: Create and chown the writable application path before USER.
Docker / Compose✓ Tested
Preserve a fractional result
Arduino / C: Preserve a fractional result on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Prevent gaining privileges through exec
Docker / Compose: The no-new-privileges flag is visible in process status.
Docker / Compose✓ Tested
Preview removal of an untracked scratch file
Git: The dry-run flag shows what clean would remove without deleting it.
Git✓ Tested
Print a fixed text buffer
Arduino / C: Print a fixed text buffer on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Print a single character
Arduino / C: Print a single character on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Protect a Compose service’s root filesystem
Docker / Compose: read_only rejects writes to the image filesystem.
Docker / Compose✓ Tested