Toolbox

bak wraps rdiff-backup to create incremental backups.

chowner changes the owner and permissions on a directory.

copyright updates years in copyright notices.

essid watches for changes to the connected Wi-Fi network’s ESSID and reports them.

flactomp3 converts audio files to mp3 with tags.

ival validates image files. The name stands for Image Validation.

myip continuously displays the external IP address using dig.

pingo adds timestamps to the ping command output.

reel converts a video clip to a vertical 1080×1920 social media reel using ffmpeg, padding it with a blurred copy of itself. Accepts -c to center-crop and fill the frame instead of padding, -f for input file, -o for output file, -s for start time, -u for duration, and -z for a horizontal crop shift in pixels, accepting negative values.

remount remounts filesystems using a temporary fstab configuration, then restores the permanent one.

rsynx wraps rsync and picks a safe option set for the installed rsync version.

scanner detects whether a device with a given MAC address appears on the local network using arp-scan.

sift copies a random subset of files from a source directory into a destination directory until it reaches a byte budget. Accepts -s for the byte budget (a number with an optional K, M, or G suffix, default 8G) and -o for the destination directory (default the current directory). Takes the source directory as the mandatory positional argument.

speed continuously displays download and upload internet speeds using speedtest.

tex compiles a TeX source file to PDF and opens the result.

tru removes a torrent and its content, then adds it again to increase the share ratio. The name stands for Transmission Remote Updater. It can run under cron.

ydata wraps yt-dlp: it downloads, converts, renames, and stores media, skipping videos it already downloaded. It can run under cron.