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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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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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…
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.
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/.
Linux Outlaws is a weekly podcast, primarily about Linux, but also covering other open source goodness. The hosts of the show are Fabian Scherschel in Germany, and Dan Lynch in the UK. The show is presented in a humorous, laid-back manner, and fills the gap left after the demise of LUG Radio.
A remote Windows PC can easily be shutdown, assuming you have Samba installed on your Linux box, and you have a user account on the Windows PC that has the necessary rights.
OneAndOneIs2 has an article that gives some reasons on why ‘Linux is Not Windows’.
Sometimes burning an ISO file to a CD-ROM just to access its contents is overkill, but there is another way.
The IBM developerWorks website is filled with many interesting articles. Tonight’s pick is ‘Inside the Linux boot process’. This article guides you from the initial power on through to the user-space being available. However if you really want to get down and dirty with the boot process, then I would suggest having a go at Linux From Scratch.
