Random Key Generator

April 9th, 2010 No comments

Need a strong password or a random key? Well http://randomkeygen.com/ has what you need. Just click on the link and you’ll be given a choice of 19 passwords of varying complexity, and 21 keys from 64 bit through to 504 bit in length.

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Resizing and Renaming Batches of Images

April 7th, 2010 No comments

I recently had the need to resize a hundred jpeg images of varying sizes, and to get them all down to consistent widths (or heights for the portrait images), and then finally to rename the thumbnail preview images that I had also created.
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August 21st, 2009 No comments

umask determines what permissions any new files or directories will have by default. Like file permissions, it historically takes an octal value (e.g. ‘umask 002′), but can also symbolic values (e.g. ‘umask a=rx,ug+w’). I’m going to just focus on the octal values.
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Programmer Jokes

August 19th, 2009 No comments
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Unix time

August 16th, 2009 No comments

If you should happen to need to know the current time as a unix timestamp, try http://www.unixtime.se/. Alternatively typing

date +%s

at a convenient command line might be faster, and more accurate…

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What distro version am I running?

January 13th, 2009 No comments

With any Linux Standard Base compliant distro (Mandriva, openSUSE, Red Hat, Ubuntu, etc…), there is an easy way to find its version number, and code name.

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January 11th, 2009 No comments

FFmpeg is an open-source command line utility for performing audio/video file conversions. It can be used to simply convert straight from one video format to another, or to crop, pad, rescale, change bit-rates, merge or split out audio and video, and so on…

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January 4th, 2009 No comments

I only came across this command fairly recently. It’s a simple command, but immensely useful.

The watch command is used to run a given command at a predefined interval, and to monitor the output in real-time until the watch command is terminated. When run, it initially only displays the first output of the given command, and then only updates it if something in the output changes.

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Finally – A 64-bit version of Adobe Flash Player for Linux

November 17th, 2008 No comments

It seems to have been a long time coming, but finally an alpha version has been released. Although it’s an alpha, it’s still a vast improvement over the 32-bit version which I’ve used up until now with the aid of NPS Wrapper.

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GNU/Linux Distro Timeline

August 27th, 2008 No comments

Andreas has produced a cladogram (tree diagram) showing the timeline and relationship of probably every known Linux distribution. You can see the latest version of the diagram (v7.6) here, or visit the homepage http://futurist.se/gldt/.

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