Results for “permissions”
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
Calculate a SHA-256 checksum
Calculate a file checksum so you can compare it with a hash from a trusted source and detect changed contents.
checksum✓ Tested
Check available disk space
Show total, used, and available filesystem space for the current directory in human-readable units.
disk✓ Tested
Check memory usage
Show memory and swap totals in human-readable units. The available column estimates memory usable by new applications.
memory✓ Tested
Check the size of a folder
Show a single total for the disk space used by a folder and its contents.
disk usage✓ Tested
Compress a file and keep the original
Create a gzip-compressed copy of a file while leaving the uncompressed original in place.
gzip✓ Tested
Copy a file to a folder
Create a backup folder if needed, then copy a file into it while preserving its modification time and permission bits.
file✓ Tested
Count lines in a file
Count newline characters in a text file, printing only the count without the filename.
lines✓ Tested
Create a compressed tar archive
Bundle a directory into a gzip-compressed tar archive, preserving the directory structure.
tar✓ Tested
Create a directory tree
Create a directory and its missing parent directories. The -p option also succeeds when the directories already exist.
directory✓ Tested
Create a symbolic link
Create a relative symbolic link to a file and inspect its target with readlink.
symlink✓ Tested
Extract a compressed tar archive
Extract a trusted gzip-compressed tar archive into a dedicated destination directory.
tar✓ Tested