Commands by hm2k (2)

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regex for turning a URL into a real hyperlink (i.e. for posting somewhere that accepts basic html)
This should work with anything://url.whatever etc etc ;)

Check if a domain is available and get the answer in just one line
Returns nothing if the domain exists and 'No match for domain.com' otherwise.

Rename files in batch

adjust laptop display hardware brightness [non root]

locating packages held back, such as with "aptitude hold "
locating packages held back, such as with "aptitude hold "

Create QR codes from a URL.
like 7300, but doesn't clutter your working directory with old qr.*.png files. This will get the QR barcode, and send it right into ImageMagick's 'display' tool. Usage is the same as 7300; just call this function followed by the URL: $ qrurl http://xkcd.com

Run remote web page, but don't save the results
I have a remote php file that I want to run once an hour. I set up cron to run this wget. I don't really care about what's in the file though, I don't want to save the results, so I run the -O and send it to /dev/null

display an embeded help message from bash script header
With this one liner you can easily output a standard help message using the following convention: Usage: is the start marker Stop at the last #

Synchronize date and time with a server over ssh
using -u is better for standardizing date output and timezones, for servers in different timezones.

A nice command for summarising repeated information


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