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About Linux software RAID - overview

Posted 06-02-2010 at 02:06 PM by DrLove73
Updated 06-02-2010 at 02:08 PM by DrLove73

Until not long ago, Linux was not able to boot from partitions under RAID. That meant that /boot partition can not be mirrored, but the rest of the data can. If that is how system was set-up, then all of the data was mirrored but there is no GRUB/boot setup on the spare HDD. You would need to copy data from /boot partition to "/boot2" (/boot partition on spare HDD) and install GRUB on spare HDD MBR. This can all be done from working system, no need to unplug anything.

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- s

Posted 06-02-2010 at 11:16 AM by Web31337 (In The Middle Of Nowhere [edK's blog])
Updated 06-20-2012 at 11:57 PM by Web31337

-s s
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Ants on my table

Posted 06-02-2010 at 10:53 AM by Mr-Bisquit

 Scream your little anty screams
At the terror of your anty dreams.
My giant finger
Your tiny brain
I hear you scream
in anty pain.
Run and flee
As I spit
and make you drown.
I'll piss
and stomp
on your anty town.
Your anty prayers
will not be heard
I'll crush your hopes
like they were a turd.
Scream your little anty screams
At the terror of your anty dreams.
Enjoy your final
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Snapping Again

Posted 06-02-2010 at 10:41 AM by brianL

Back in the early '80s, photography was my main hobby,including developing and printing. Black and white mostly, because monochrome prints were said to last longer than colour. After two or three years I lost interest in it. But now I've moved into the 21st century, and got round to buying a digital camera, a Sony DSC H55. A compact with quite a lot of features (must RTFM soon!).
I gave it a bit of a test run, using one of the easy "point & shoot" modes in the local cemetery....
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File Type: jpeg ACW_grave.jpeg (79.4 KB, 10 views)
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Shortest command to calculate the sum of a column of output

Posted 06-02-2010 at 06:27 AM by bittner (Notes on Linux)

I had to calculate the Installed-Size for a .deb control file recently. Here is the solution I came up with:

dpkg-deb -c mypackage.deb | sed -e 's/.*root\s*//' -e 's/\s*2010-.*$//' | xargs | tr ' ' + | bc
What it does? The code tries to construct a calculation string and feeds it to the command line calculator bc as follows:
  1. use dpkg-deb to get the file size information out of the Debian package
  2. sed away all characters before and after the
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