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Re: /dev/null permission denied [message #51041 is a reply to message #24676]

Mon, 06 January 2014 11:54

narcisgarcia
Messages: 41
Registered: May 2009

Member

I'm running Debian 7 containers in Debian 7 HN host (Linux 2.6.32-openvz-042stab084.14-amd64), and found this problem, but not inmediately to container's boot: after several hours (or days).

This command inside the container solves me the problem for some minutes:

chmod a+rw /dev/null

But after those minutes the null device comes back to bad permissions crw-r--r--

Now I've tried this at the hardware node:

ContainerID=777
vzctl set $ContainerID --devnodes null:rw --save
vzctl stop $ContainerID
vzctl start $ContainerID

But after some time, trying to use bash-completion (pressing TAB on a terminal), I see the same problem:
Quote:

-bash: /dev/null: Permission denied
bash: _upvars: `-a2': invalid number specifier

I'M SORRY;
At this moment I think that a customized script re-created the "file" /dev/null when doesn't find it with "test -f":

rm -f $MyFile
echo "MyData" > $MyFile

BUT the strange OpenVZ behaviour is that this operation seems to spread to all other containers: one container re-creates /dev/null and all others' have this device modified.

Narcis Garcia

[Updated on: Tue, 07 January 2014 09:54]

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[Message index]

		/dev/null permission denied By: beyondx on Fri, 07 December 2007 16:54
		Re: /dev/null permission denied By: maratrus on Fri, 07 December 2007 17:54
		Re: /dev/null permission denied By: beyondx on Fri, 07 December 2007 21:40
		Re: /dev/null permission denied By: beyondx on Fri, 04 January 2008 12:15
		Re: /dev/null permission denied By: maratrus on Fri, 04 January 2008 20:24
		Re: /dev/null permission denied By: vaverin on Sat, 05 January 2008 08:38
		Re: /dev/null permission denied By: beyondx on Sun, 06 January 2008 17:07
		Re: /dev/null permission denied By: maratrus on Tue, 08 January 2008 11:00
		Re: /dev/null permission denied By: vaverin on Wed, 09 January 2008 06:57
		Re: /dev/null permission denied By: iroen on Thu, 17 May 2012 12:51
		Re: /dev/null permission denied By: beyondx on Sun, 06 January 2008 17:06
		Re: /dev/null permission denied By: narcisgarcia on Mon, 06 January 2014 11:54

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