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Date:      Fri, 25 May 2012 15:04:50 -0600
From:      Gary Aitken <freebsd@dreamchaser.org>
To:        Polytropon <freebsd@edvax.de>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: removing /var/empty on a non-system disk
Message-ID:  <4FBFF3F2.60501@dreamchaser.org>
In-Reply-To: <20120525222123.474401eb.freebsd@edvax.de>
References:  <4FBBF32D.9070505@dreamchaser.org> <20120522234510.a406941d.goksin.akdeniz@gmail.com> <4FBD7BA0.7070502@dreamchaser.org> <4FBEE05A.6000909@dreamchaser.org> <20120525035108.a3af81c1.freebsd@edvax.de> <CA%2BtpaK2Rwvg_G8veqh9bwV_KZPx6Tz4pxWr0cVh8ZbPEBg5=pg@mail.gmail.com> <4FBFAB5B.6010405@dreamchaser.org> <4FBFCC61.2010504@dreamchaser.org> <4FBFE5E2.6070305@dreamchaser.org> <20120525222123.474401eb.freebsd@edvax.de>

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On 05/25/12 14:21, Polytropon wrote:
> On Fri, 25 May 2012 14:04:50 -0600, Gary Aitken wrote:
>> something I'm not seeing
>>
>> I've got a disk previously used as a sys disk I'm trying to clean up.
>> What's the key to removing /var/empty?
>>
>> 280 /hd1/var#sysctl kern.securelevel
>> kern.securelevel: -1
>> 281 /hd1/var#ls -l
>> total 4
>> dr-xr-xr-x  2 root  wheel  512 Jan  3 00:55 empty
>> 282 /hd1/var#chflags noschg empty
>> 283 /hd1/var#chmod 777 empty
>> chmod: empty: Operation not permitted
>> 284 /hd1/var#rmdir empty
>> rmdir: empty: Operation not permitted
> 
> Interesting, I just tried this on my home system (FreeBSD 8.2-STABLE)
> and it worked as intended. I did use the exact commands,
> same securelevel.
> 
> Use the -o option for ls (ls -lo) to check on the effect
> of chflags and chmod.

Just found it, something I forgot about a long time ago...
I was running under su logged in as my normal user.
Had to back all the way out and log in as root.

> Without eexamining this behaviour in more detail, how about
> this approach? Unmount the former system disk and newfs it?
> That should "solve" the problem. :-)

Thought about that, but I wanted to understand what was going on.
Ignorance is never a good excuse. :-)

Gary



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