weird xzcat behaviour

[Mark Haney]

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I've been volunteered to try to build a boot image for a Nitrogen 6x
Freescale SOM board using whatever OS I can make work.  I chose
Fedora's ARM image since I'm more comfortable with using Fedora.  In
the process of trying to using xzcat to dump the image to the microSD
card I noticed something strange.  When I tried:

sudo xzcat Fedora-Minimal-armhfp-20-1-sda.raw.xz > /dev/sdb

I would get a 'Permission denied' error.

But when I ran the same command as root directly, it worked just fine.
 I'm not sure I've ever encountered a situation where sudo wouldn't
work like this before. Is there a particular reason for this?  Or is
this a bug?  For the record, I changed nothing on the device between
attempts to xzcat the image.


- -- 
Mark Haney
Network/Systems Administrator
Practichem
W: (919) 714-8428
Fedora release 20 (Heisenbug) 3.13.6-200.fc20.x86_64
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