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SubjectRe: Query - Regarding strange behaviour.
Date
its not even allowing me to copy it ...then surely it wont allow me mv as 
well... what else can i try...

[root@test root]# mount
/dev/hda2 on / type ext3 (rw)
none on /proc type proc (rw)
usbdevfs on /proc/bus/usb type usbdevfs (rw)
none on /dev/pts type devpts (rw,gid=5,mode=620)
none on /dev/shm type tmpfs (rw)

[root@test /]# cd /usr
[root@test usr]# cp bin testbin
cp: omitting directory `bin'
[root@test usr]# ls
bin etc include kerberos libexec sbin src test121212 X11R6
dict games java lib local share test tmp
[root@test usr]#

----- Original Message -----
From: "linux-os" <linux-os@analogic.com>
To: "Pankaj Agarwal" <pankaj@toughguy.net>
Cc: <linux-kernel@vger.kernel.org>; "Linux Net" <linux-net@vger.kernel.org>
Sent: Thursday, February 03, 2005 9:05 PM
Subject: Re: Query - Regarding strange behaviour.


> On Thu, 3 Feb 2005, Pankaj Agarwal wrote:
>
>> Hi,
>>
>> In my system there's a strange behaviour.... its not allowing me to
>> create any file in /usr/bin even as root. Its chmod is set to 755. Its
>> even not allowing me to change the chmod value of /usr/bin. The strangest
>> part which i felt is ...its shows the owner and group as root when i
>> issue command "ls -ld /usr/bin" and not allowing root to create any file
>> or directory under /usr/bin and not even allowing to change the chmod
>> value. The error is access permission denied... I can change the chmod
>> value of /usr and other directories under /usr/...but not of bin....
>>
>> I need your help/support. kindly let me know what all can i try to
>> resolve this problem.
>>
>> Thanks and Regards,
>>
>> Pankaj Agarwal
>
> See if your file-system has gotten hurt. Boot with init=/bin/bash
> and execute `/sbin/fsck -f /` to force a check of the root file-system.
>
> The next check is to see if you can fix the protections when
> you are the only one accessing the file-system:
>
> # mount -n -o remount / # re-mount root r/w
> # cd /usr
> # chmod 755 bin
> # ls -la # See if it worked
> # unmount /
>
> The next check is to replace the /usr/bin directory. Since `mv`
> and `mkdir` are in /bin, the following should work.
>
> # mount -n -o remount / # re-mount root r/w
> # cd /usr
> # mv bin foo # Rename 'strange' directory
> # mkdir bin # Make a new one
> # cd foo # Change to original
> # mv * ../bin # Rename all contents to new
> # cd .. # rmdir foo # Remove bad directory
> # chmod 755 bin # Fix protection
> # umount /
>
> After you have fixed things, you don't have to re-boot.
> Just execute:
>
> # exec /sbin/init auto
>
>
> Cheers,
> Dick Johnson
> Penguin : Linux version 2.6.10 on an i686 machine (5537.79 BogoMips).
> Notice : All mail here is now cached for review by Dictator Bush.
> 98.36% of all statistics are fiction.

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