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for loop with leading zero in bash 3

run command on a group of nodes in parallel
Parallel is from https://savannah.nongnu.org/projects/parallel/ Other examples would be: (echo foss.org.my; echo www.debian.org; echo www.freenetproject.org) | parallel traceroute seq -f %04g 0 9999 | parallel -X rm pict{}.jpg

View webcam output using GStreamer pipeline
Open a window that displays camera capture. Framerate, width and height may be changed to match your needs.

Backup with versioning
Apart from an exact copy of your recent contents, also keep all earlier versions of files and folders that were modified or deleted. Inspired by EVACopy http://evacopy.sourceforge.net

converting vertical line to horizontal line

Git diff last two commits
How about this one ?

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Listen Digitally Imported Radio from CLI (without premium!)
This commands does just two things: fakes user agent (the one was taken from recent Android app) and sends the (possibly) listener ID (it can be any - I put "1" here because it works like a charm - after the name of stream ?1 as you can see). Look for the list of stations here: http://pub7.di.fm Or here: https://goo.gl/pdhhpQ Best regards, sxiii :)

host - DNS lookup utility
host is a simple utility for performing DNS lookups. It is normally used to convert names to IP addresses and vice versa. When no arguments or options are given, host prints a short summary of its command line arguments and options.

Display standard information about device
Queries the specified ethernet device for associated driver information


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