Results for “Dates & process utilities”
Small, practical examples. Search by task or narrow things down below.
Run an image as a non-root user
Choose an unprivileged numeric identity for the default process.
Dockerfile✓ Tested
Save a stream while displaying it
Linux Commands: Use tee to write a copy of standard input to a file.
Linux Commands✓ Tested
Search for a literal string
Linux Commands: Use grep -F when the pattern contains regex metacharacters that should be literal.
Linux Commands✓ Tested
Search for text in a file
Find matching lines with their line numbers, ignoring letter case and treating the pattern as literal text.
grep✓ Tested
Search text without case sensitivity
Linux Commands: Use grep -i to match uppercase and lowercase variants.
Linux Commands✓ Tested
Select fields with the Pick utility type
Expose a smaller view of a larger object type.
Pick✓ Tested
Send command output into another command
Linux Commands: Send command output into another command using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Serialize an object to JSON
Serialize a small anonymous C# object with System.Text.Json.
C#✓ Tested
Set a file to a specific byte length
Linux Commands: Use truncate to shorten a known scratch file without replacing its inode.
Linux Commands✓ Tested
Set a working directory
Choose the default directory for later instructions and the running process.
Dockerfile✓ Tested
Set no-new-privileges in Compose
Docker / Compose: security_opt configures the process privilege restriction.
Docker / Compose✓ Tested
Set owner-only file permissions
Linux Commands: Use chmod 600 to allow only the owner to read and write a file.
Linux Commands✓ Tested