[CentOS] something chmod'ing /dev/null

Robert Heller heller at deepsoft.com
Wed Nov 17 13:35:54 EST 2010


At Wed, 17 Nov 2010 10:16:51 -0800 CentOS mailing list <centos at centos.org> wrote:

> 
> it looks like one of the recent updates will sometimes chmod /dev/null
> to 600.  out of 20 machines i've updated, 3 of them had the odd
> /dev/null perms afterwards.  i haven't tried to identify what it doing
> it yet, but wanted to give a heads up to others that might start seeing
> weird behavior.

Look in /etc/udev/rules.d/50-udev.rules.  My copy has the line:

KERNEL=="null",                 MODE="0666", OPTIONS="last_rule"

You haven't managed to mess with this rule?  

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Robert Heller             -- 978-544-6933 / heller at deepsoft.com
Deepwoods Software        -- http://www.deepsoft.com/
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